IDEMPIERE-4498 Performance: add cache for osgi services factory (#321)

* IDEMPIERE-4498 Performance: add cache for osgi services factory

add cache for tableName -> IModelFactory

* IDEMPIERE-4498 Performance: add cache for osgi services factory

implement cache for the discovery of osgi services

* IDEMPIERE-4498 Performance: add cache for osgi services factory

added unit test

org.adempiere.base/src/org/adempiere/base/Core.java

@@ -45,9 +45,13 @@ import org.compiere.model.PaymentInterface;
 import org.compiere.model.PaymentProcessor;
 import org.compiere.model.StandardTaxProvider;
 import org.compiere.process.ProcessCall;
+import org.compiere.util.CCache;
 import org.compiere.util.CLogger;
 import org.compiere.util.PaymentExport;
 import org.compiere.util.ReplenishInterface;
+import org.idempiere.distributed.ICacheService;
+import org.idempiere.distributed.IClusterService;
+import org.idempiere.distributed.IMessageService;
 import org.idempiere.fa.service.api.DepreciationFactoryLookupDTO;
 import org.idempiere.fa.service.api.IDepreciationMethod;
 import org.idempiere.fa.service.api.IDepreciationMethodFactory;
@@ -63,6 +67,8 @@ public class Core {
 
 	private final static CLogger s_log = CLogger.getCLogger(Core.class);
 
+	private static final CCache<String, IServiceReferenceHolder<IResourceFinder>> s_resourceFinderCache = new CCache<>(null, "IResourceFinder", 100, false);
+	
 	/**
 	 * @return list of active resource finder
 	 */
@@ -70,16 +76,33 @@ public class Core {
 		return new IResourceFinder() {
 
 			public URL getResource(String name) {
-				List<IResourceFinder> f = Service.locator().list(IResourceFinder.class).getServices();
+				IServiceReferenceHolder<IResourceFinder> cache = s_resourceFinderCache.get(name);
-				for (IResourceFinder finder : f) {
+				if (cache != null) {
-					URL url = finder.getResource(name);
+					IResourceFinder service = cache.getService();
-					if (url!=null)
+					if (service != null) {
-						return url;
+						URL url = service.getResource(name);
+						if (url!=null)
+							return url;
+					}
+					s_resourceFinderCache.remove(name);
+				}
+				List<IServiceReferenceHolder<IResourceFinder>> f = Service.locator().list(IResourceFinder.class).getServiceReferences();
+				for (IServiceReferenceHolder<IResourceFinder> finder : f) {
+					IResourceFinder service = finder.getService();
+					if (service != null) {
+						URL url = service.getResource(name);
+						if (url!=null) {
+							s_resourceFinderCache.put(name, finder);
+							return url;
+						}
+					}
 				}
 				return null;
 			}
 		};
 	}
+	
+	private static final CCache<String, List<IServiceReferenceHolder<IColumnCalloutFactory>>> s_columnCalloutFactoryCache = new CCache<>(null, "List<IColumnCalloutFactory>", 100, false);
 
 	/**
 	 *
@@ -89,20 +112,56 @@ public class Core {
 	 */
 	public static List<IColumnCallout> findCallout(String tableName, String columnName) {
 		List<IColumnCallout> list = new ArrayList<IColumnCallout>();
-		List<IColumnCalloutFactory> factories = Service.locator().list(IColumnCalloutFactory.class).getServices();
+		
+		String cacheKey = tableName + "." + columnName;
+		List<IServiceReferenceHolder<IColumnCalloutFactory>> cache = s_columnCalloutFactoryCache.get(cacheKey);
+		if (cache != null) {
+			boolean staleReference = false;
+			for (IServiceReferenceHolder<IColumnCalloutFactory> factory : cache) {
+				IColumnCalloutFactory service = factory.getService();
+				if (service != null) {
+					IColumnCallout[] callouts = service.getColumnCallouts(tableName, columnName);
+					if (callouts != null && callouts.length > 0) {
+						for(IColumnCallout callout : callouts) {
+							list.add(callout);
+						}
+					} else {						
+						staleReference = true;
+						break;
+					}
+				} else {
+					staleReference = true;
+					break;
+				}
+			}
+			if (!staleReference)
+				return list;
+			else
+				s_columnCalloutFactoryCache.remove(cacheKey);
+		}
+		
+		List<IServiceReferenceHolder<IColumnCalloutFactory>> factories = Service.locator().list(IColumnCalloutFactory.class).getServiceReferences();
+		List<IServiceReferenceHolder<IColumnCalloutFactory>> found = new ArrayList<>();
 		if (factories != null) {
-			for(IColumnCalloutFactory factory : factories) {
+			for(IServiceReferenceHolder<IColumnCalloutFactory> factory : factories) {
-				IColumnCallout[] callouts = factory.getColumnCallouts(tableName, columnName);
+				IColumnCalloutFactory service = factory.getService();
-				if (callouts != null && callouts.length > 0) {
+				if (service != null) {
-					for(IColumnCallout callout : callouts) {
+					IColumnCallout[] callouts = service.getColumnCallouts(tableName, columnName);
-						list.add(callout);
+					if (callouts != null && callouts.length > 0) {
+						for(IColumnCallout callout : callouts) {
+							list.add(callout);						
+						}
+						found.add(factory);
 					}
 				}
 			}
+			s_columnCalloutFactoryCache.put(cacheKey, found);
 		}
 		return list;
 	}
 
+	private static final CCache<String, IServiceReferenceHolder<ICalloutFactory>> s_calloutFactoryCache = new CCache<>(null, "ICalloutFactory", 100, false);
+	
 	// IDEMPIERE-2732
 	/**
 	 *
@@ -111,31 +170,65 @@ public class Core {
 	 * @return callout for className
 	 */
 	public static Callout getCallout(String className, String methodName) {
-		List<ICalloutFactory> factories = Service.locator().list(ICalloutFactory.class).getServices();
+		String cacheKey = className + "::" + methodName;
-		if (factories != null) {
+		IServiceReferenceHolder<ICalloutFactory> cache = s_calloutFactoryCache.get(cacheKey);
-			for(ICalloutFactory factory : factories) {
+		if (cache != null) {
-				Callout callout = factory.getCallout(className, methodName);
+			ICalloutFactory service = cache.getService();
+			if (service != null) {
+				Callout callout = service.getCallout(className, methodName);
 				if (callout != null) {
 					return callout;
 				}
 			}
+			s_calloutFactoryCache.remove(cacheKey);
+		}
+		List<IServiceReferenceHolder<ICalloutFactory>> factories = Service.locator().list(ICalloutFactory.class).getServiceReferences();
+		if (factories != null) {
+			for(IServiceReferenceHolder<ICalloutFactory> factory : factories) {
+				ICalloutFactory service = factory.getService();
+				if (service != null) {
+					Callout callout = service.getCallout(className, methodName);
+					if (callout != null) {
+						s_calloutFactoryCache.put(cacheKey, factory);
+						return callout;
+					}
+				}
+			}
 		}
 		return null;
 	}
 
+	private static final CCache<String, IServiceReferenceHolder<IProcessFactory>> s_processFactoryCache = new CCache<>(null, "IProcessFactory", 100, false);
+	
 	/**
 	 *
 	 * @param processId Java class name or equinox extension id
 	 * @return ProcessCall instance or null if processId not found
 	 */
 	public static ProcessCall getProcess(String processId) {
-		List<IProcessFactory> factories = getProcessFactories();
+		IServiceReferenceHolder<IProcessFactory> cache = s_processFactoryCache.get(processId);
-		if (factories != null && !factories.isEmpty()) {
+		if (cache != null) {
-			for(IProcessFactory factory : factories) {
+			IProcessFactory service = cache.getService();
-				ProcessCall process = factory.newProcessInstance(processId);
+			if (service != null) {
+				ProcessCall process = service.newProcessInstance(processId);
 				if (process != null)
 					return process;
 			}
+			s_processFactoryCache.remove(processId);
+		}
+		
+		List<IServiceReferenceHolder<IProcessFactory>> factories = getProcessFactories();
+		if (factories != null && !factories.isEmpty()) {
+			for(IServiceReferenceHolder<IProcessFactory> factory : factories) {
+				IProcessFactory service = factory.getService();
+				if (service != null) {
+					ProcessCall process = service.newProcessInstance(processId);
+					if (process != null) {
+						s_processFactoryCache.put(processId, factory);
+						return process;
+					}
+				}
+			}
 		}
 		return null; 		
 	}
@@ -144,18 +237,19 @@ public class Core {
 	 * This method load the process factories waiting until the DefaultProcessFactory on base is loaded (IDEMPIERE-3829)
 	 * @return List of factories implementing IProcessFactory
 	 */
-	private static List<IProcessFactory> getProcessFactories() {
+	private static List<IServiceReferenceHolder<IProcessFactory>> getProcessFactories() {
-		List<IProcessFactory> factories = null;
+		List<IServiceReferenceHolder<IProcessFactory>> factories = null;
 		int maxIterations = 5;
 		int waitMillis = 1000;
 		int iterations = 0;
 		boolean foundDefault = false;
 		while (true) {
-			factories = Service.locator().list(IProcessFactory.class).getServices();
+			factories = Service.locator().list(IProcessFactory.class).getServiceReferences();
 			if (factories != null && !factories.isEmpty()) {
-				for(IProcessFactory factory : factories) {
+				for(IServiceReferenceHolder<IProcessFactory> factory : factories) {
 					// wait until DefaultProcessFactory is loaded
-					if (factory instanceof DefaultProcessFactory) {
+					IProcessFactory service = factory.getService();
+					if (service instanceof DefaultProcessFactory) {
 						foundDefault = true;
 						break;
 					}
@@ -173,32 +267,64 @@ public class Core {
 		return factories;
 	}
 
+	private static final CCache<String, IServiceReferenceHolder<IModelValidatorFactory>> s_modelValidatorFactoryCache = new CCache<>(null, "IModelValidatorFactory", 100, false);
+	
 	/**
 	 *
 	 * @param validatorId Java class name or equinox extension Id
 	 * @return ModelValidator instance of null if validatorId not found
 	 */
 	public static ModelValidator getModelValidator(String validatorId) {
-		List<IModelValidatorFactory> factoryList = Service.locator().list(IModelValidatorFactory.class).getServices();
+		IServiceReferenceHolder<IModelValidatorFactory> cache = s_modelValidatorFactoryCache.get(validatorId);
-		if (factoryList != null) {
+		if (cache != null) {
-			for(IModelValidatorFactory factory : factoryList) {
+			IModelValidatorFactory service = cache.getService();
-				ModelValidator validator = factory.newModelValidatorInstance(validatorId);
+			if (service != null) {
+				ModelValidator validator = service.newModelValidatorInstance(validatorId);
 				if (validator != null)
 					return validator;
 			}
+			s_modelValidatorFactoryCache.remove(validatorId);
+		}
+		List<IServiceReferenceHolder<IModelValidatorFactory>> factoryList = Service.locator().list(IModelValidatorFactory.class).getServiceReferences();
+		if (factoryList != null) {
+			for(IServiceReferenceHolder<IModelValidatorFactory> factory : factoryList) {
+				IModelValidatorFactory service = factory.getService();
+				if (service != null) {
+					ModelValidator validator = service.newModelValidatorInstance(validatorId);
+					if (validator != null) {
+						s_modelValidatorFactoryCache.put(validatorId, factory);
+						return validator;
+					}
+				}
+			}
 		}
 		
 		return null;
 	}
 
+	private static IServiceReferenceHolder<IKeyStore> s_keystoreServiceReference = null;
+	
 	/**
 	 * 
-	 * @return keystore
+	 * @return {@link IKeyStore}
 	 */
 	public static IKeyStore getKeyStore(){
-		return Service.locator().locate(IKeyStore.class).getService();
+		IKeyStore keystoreService = null;
+		if (s_keystoreServiceReference != null) {
+			keystoreService = s_keystoreServiceReference.getService();
+			if (keystoreService != null)
+				return keystoreService;
+		}
+		IServiceReferenceHolder<IKeyStore> serviceReference = Service.locator().locate(IKeyStore.class).getServiceReference();
+		if (serviceReference != null) {
+			keystoreService = serviceReference.getService();
+			s_keystoreServiceReference = serviceReference;
+		}
+		return keystoreService;
 	}
 	
+	private static final CCache<String, IServiceReferenceHolder<IPaymentProcessorFactory>> s_paymentProcessorFactoryCache = new CCache<>(null, "IPaymentProcessorFactory", 100, false);
+	
 	/**
 	 *  Get payment processor instance
 	 * 	@param mbap payment processor model
@@ -216,14 +342,31 @@ public class Core {
 		}
 		//
 		PaymentProcessor myProcessor = null;
-		
+		IServiceReferenceHolder<IPaymentProcessorFactory> cache = s_paymentProcessorFactoryCache.get(className);
-		List<IPaymentProcessorFactory> factoryList = Service.locator().list(IPaymentProcessorFactory.class).getServices();
+		if (cache != null) {
-		if (factoryList != null) {
+			IPaymentProcessorFactory service = cache.getService();
-			for(IPaymentProcessorFactory factory : factoryList) {
+			if (service != null) {
-				PaymentProcessor processor = factory.newPaymentProcessorInstance(className);
+				PaymentProcessor processor = service.newPaymentProcessorInstance(className);
-				if (processor != null) {
+				if (processor != null) 
 					myProcessor = processor;
-					break;
+			}
+			if (myProcessor == null)
+				s_paymentProcessorFactoryCache.remove(className);
+		}
+		
+		if (myProcessor == null) {
+			List<IServiceReferenceHolder<IPaymentProcessorFactory>> factoryList = Service.locator().list(IPaymentProcessorFactory.class).getServiceReferences();
+			if (factoryList != null) {
+				for(IServiceReferenceHolder<IPaymentProcessorFactory> factory : factoryList) {
+					IPaymentProcessorFactory service = factory.getService();
+					if (service != null) {
+						PaymentProcessor processor = service.newPaymentProcessorInstance(className);
+						if (processor != null) {
+							myProcessor = processor;
+							s_paymentProcessorFactoryCache.put(className, factory);
+							break;
+						}
+					}
 				}
 			}
 		}
@@ -239,6 +382,8 @@ public class Core {
 		return myProcessor;
 	}
 	
+	private static final CCache<String, IServiceReferenceHolder<IBankStatementLoaderFactory>> s_bankStatementLoaderFactoryCache = new CCache<>(null, "IBankStatementLoaderFactory", 100, false);
+	
 	/**
 	 * get BankStatementLoader instance
 	 * 
@@ -252,15 +397,30 @@ public class Core {
 		}
 
 		BankStatementLoaderInterface myBankStatementLoader = null;
-		
+		IServiceReferenceHolder<IBankStatementLoaderFactory> cache = s_bankStatementLoaderFactoryCache.get(className);
-		List<IBankStatementLoaderFactory> factoryList = 
+		if (cache != null) {
-				Service.locator().list(IBankStatementLoaderFactory.class).getServices();
+			IBankStatementLoaderFactory service = cache.getService();
-		if (factoryList != null) {
+			if (service != null) {
-			for(IBankStatementLoaderFactory factory : factoryList) {
+				BankStatementLoaderInterface loader = service.newBankStatementLoaderInstance(className);
-				BankStatementLoaderInterface loader = factory.newBankStatementLoaderInstance(className);
+				if (loader != null) 
-				if (loader != null) {
 					myBankStatementLoader = loader;
-					break;
+			}
+			if (myBankStatementLoader == null)
+				s_bankStatementLoaderFactoryCache.remove(className);
+		}
+		if (myBankStatementLoader == null) {
+			List<IServiceReferenceHolder<IBankStatementLoaderFactory>> factoryList = Service.locator().list(IBankStatementLoaderFactory.class).getServiceReferences();
+			if (factoryList != null) {
+				for(IServiceReferenceHolder<IBankStatementLoaderFactory> factory : factoryList) {
+					IBankStatementLoaderFactory service = factory.getService();
+					if (service != null) {
+						BankStatementLoaderInterface loader = service.newBankStatementLoaderInstance(className);
+						if (loader != null) {
+							myBankStatementLoader = loader;
+							s_bankStatementLoaderFactoryCache.put(className, factory);
+							break;
+						}
+					}
 				}
 			}
 		}
@@ -273,6 +433,8 @@ public class Core {
 		return myBankStatementLoader;
 	}
 	
+	private static final CCache<String, IServiceReferenceHolder<IBankStatementMatcherFactory>> s_bankStatementMatcherFactoryCache = new CCache<>(null, "IBankStatementMatcherFactory", 100, false);
+	
 	/**
 	 * get BankStatementMatcher instance
 	 * 
@@ -286,15 +448,30 @@ public class Core {
 		}
 
 		BankStatementMatcherInterface myBankStatementMatcher = null;
-		
+		IServiceReferenceHolder<IBankStatementMatcherFactory> cache = s_bankStatementMatcherFactoryCache.get(className);
-		List<IBankStatementMatcherFactory> factoryList = 
+		if (cache != null) {
-				Service.locator().list(IBankStatementMatcherFactory.class).getServices();
+			IBankStatementMatcherFactory service = cache.getService();
-		if (factoryList != null) {
+			if (service != null) {
-			for(IBankStatementMatcherFactory factory : factoryList) {
+				BankStatementMatcherInterface matcher = service.newBankStatementMatcherInstance(className);
-				BankStatementMatcherInterface matcher = factory.newBankStatementMatcherInstance(className);
+				if (matcher != null) 
-				if (matcher != null) {
 					myBankStatementMatcher = matcher;
-					break;
+			}
+			if (myBankStatementMatcher == null)
+				s_bankStatementMatcherFactoryCache.remove(className);
+		}
+		if (myBankStatementMatcher == null) {
+			List<IServiceReferenceHolder<IBankStatementMatcherFactory>> factoryList = Service.locator().list(IBankStatementMatcherFactory.class).getServiceReferences();
+			if (factoryList != null) {
+				for(IServiceReferenceHolder<IBankStatementMatcherFactory> factory : factoryList) {
+					IBankStatementMatcherFactory service = factory.getService();
+					if (service != null) {
+						BankStatementMatcherInterface matcher = service.newBankStatementMatcherInstance(className);
+						if (matcher != null) {
+							myBankStatementMatcher = matcher;
+							s_bankStatementMatcherFactoryCache.put(className, factory);
+							break;
+						}
+					}
 				}
 			}
 		}
@@ -307,6 +484,8 @@ public class Core {
 		return myBankStatementMatcher;
 	}
 	
+	private static final CCache<String, IServiceReferenceHolder<IShipmentProcessorFactory>> s_shipmentProcessorFactoryCache = new CCache<>(null, "IShipmentProcessorFactory", 100, false);
+	
 	/**
 	 * 
 	 * @param sf
@@ -322,20 +501,37 @@ public class Core {
 			s_log.log(Level.SEVERE, "Shipment processor or class not defined for shipper " + sf);
 			return null;
 		}
-		
+	
-		List<IShipmentProcessorFactory> factoryList = Service.locator().list(IShipmentProcessorFactory.class).getServices();
+		IServiceReferenceHolder<IShipmentProcessorFactory> cache = s_shipmentProcessorFactoryCache.get(className);
+		if (cache != null) {
+			IShipmentProcessorFactory service = cache.getService();
+			if (service != null) {
+				IShipmentProcessor processor = service.newShipmentProcessorInstance(className);
+				if (processor != null)
+					return processor;
+			}
+			s_shipmentProcessorFactoryCache.remove(className);
+		}
+		List<IServiceReferenceHolder<IShipmentProcessorFactory>> factoryList = Service.locator().list(IShipmentProcessorFactory.class).getServiceReferences();
 		if (factoryList == null) 
 			return null;
-		for (IShipmentProcessorFactory factory : factoryList)
+		for (IServiceReferenceHolder<IShipmentProcessorFactory> factory : factoryList)
 		{
-			IShipmentProcessor processor = factory.newShipmentProcessorInstance(className);
+			IShipmentProcessorFactory service = factory.getService();
-			if (processor != null)
+			if (service != null) {
-				return processor;
+				IShipmentProcessor processor = service.newShipmentProcessorInstance(className);
+				if (processor != null) {
+					s_shipmentProcessorFactoryCache.put(className, factory);
+					return processor;
+				}
+			}
 		}
 		
 		return null;
 	}
 	
+	private static final CCache<String, IServiceReferenceHolder<IAddressValidationFactory>> s_addressValidationFactoryCache = new CCache<>(null, "IAddressValidationFactory", 100, false);
+	
 	/**
 	 * Get address validation instance
 	 * @param validation
@@ -350,19 +546,36 @@ public class Core {
 			return null;
 		}
 		
-		List<IAddressValidationFactory> factoryList = Service.locator().list(IAddressValidationFactory.class).getServices();
+		IServiceReferenceHolder<IAddressValidationFactory> cache = s_addressValidationFactoryCache.get(className);
+		if (cache != null) {
+			IAddressValidationFactory service = cache.getService();
+			if (service != null) {
+				IAddressValidation processor = service.newAddressValidationInstance(className);
+				if (processor != null)
+					return processor;
+			}
+			s_addressValidationFactoryCache.remove(className);
+		}
+		List<IServiceReferenceHolder<IAddressValidationFactory>> factoryList = Service.locator().list(IAddressValidationFactory.class).getServiceReferences();
 		if (factoryList == null) 
 			return null;
-		for (IAddressValidationFactory factory : factoryList)
+		for (IServiceReferenceHolder<IAddressValidationFactory> factory : factoryList)
 		{
-			IAddressValidation processor = factory.newAddressValidationInstance(className);
+			IAddressValidationFactory service = factory.getService();
-			if (processor != null)
+			if (service != null) {
-				return processor;
+				IAddressValidation processor = service.newAddressValidationInstance(className);
+				if (processor != null) {
+					s_addressValidationFactoryCache.put(className, factory);
+					return processor;
+				}
+			}
 		}
 		
 		return null;
 	}
 	
+	private static final CCache<String, IServiceReferenceHolder<ITaxProviderFactory>> s_taxProviderFactoryCache = new CCache<>(null, "ITaxProviderFactory", 100, false);
+	
 	/**
 	 * Get tax provider instance
 	 * @param provider
@@ -388,43 +601,75 @@ public class Core {
 				s_log.log(Level.SEVERE, "Tax provider class not defined: " + provider);
 				return null;
 			}
-			
+	
-			List<ITaxProviderFactory> factoryList = Service.locator().list(ITaxProviderFactory.class).getServices();
+			IServiceReferenceHolder<ITaxProviderFactory> cache = s_taxProviderFactoryCache.get(className);
+			if (cache != null) {
+				ITaxProviderFactory service = cache.getService();
+				if (service != null) {
+					calculator = service.newTaxProviderInstance(className);
+					if (calculator != null)
+						return calculator;
+				}
+				s_taxProviderFactoryCache.remove(className);
+			}
+			List<IServiceReferenceHolder<ITaxProviderFactory>> factoryList = Service.locator().list(ITaxProviderFactory.class).getServiceReferences();
 			if (factoryList == null) 
 				return null;
-			for (ITaxProviderFactory factory : factoryList)
+			for (IServiceReferenceHolder<ITaxProviderFactory> factory : factoryList)
 			{
-				calculator = factory.newTaxProviderInstance(className);
+				ITaxProviderFactory service = factory.getService();
-				if (calculator != null)
+				if (service != null) {
-					return calculator;
+					calculator = service.newTaxProviderInstance(className);
+					if (calculator != null) {
+						s_taxProviderFactoryCache.put(className, factory);
+						return calculator;
+					}
+				}
 			}
 		}
 		
 		return null;
 	}
 	
+	private static final CCache<String, IServiceReferenceHolder<IReplenishFactory>> s_replenishFactoryCache = new CCache<>(null, "IReplenishFactory", 100, false);
+	
 	/**
 	 * get Custom Replenish instance
 	 * 
 	 * @param className
 	 * @return instance of the ReplenishInterface or null
 	 */
-	public static ReplenishInterface getReplenish(String className){
+	public static ReplenishInterface getReplenish(String className) {
 		if (className == null || className.length() == 0) {
 			s_log.log(Level.SEVERE, "No ReplenishInterface class name");
 			return null;
 		}
 
 		ReplenishInterface myReplenishInstance = null;
-		
+		IServiceReferenceHolder<IReplenishFactory> cache = s_replenishFactoryCache.get(className);
-		List<IReplenishFactory> factoryList = 
+		if (cache != null) {
-				Service.locator().list(IReplenishFactory.class).getServices();
+			IReplenishFactory service = cache.getService();
-		if (factoryList != null) {
+			if (service != null) {
-			for(IReplenishFactory factory : factoryList) {
+				ReplenishInterface loader = service.newReplenishInstance(className);
-				ReplenishInterface loader = factory.newReplenishInstance(className);
+				if (loader != null) 
-				if (loader != null) {
 					myReplenishInstance = loader;
-					break;
+			}
+			if (myReplenishInstance == null)
+				s_replenishFactoryCache.remove(className);
+		}
+		if (myReplenishInstance == null) {
+			List<IServiceReferenceHolder<IReplenishFactory>> factoryList = Service.locator().list(IReplenishFactory.class).getServiceReferences();
+			if (factoryList != null) {
+				for(IServiceReferenceHolder<IReplenishFactory> factory : factoryList) {
+					IReplenishFactory service = factory.getService();
+					if (service != null) {
+						ReplenishInterface loader = service.newReplenishInstance(className);
+						if (loader != null) {
+							myReplenishInstance = loader;
+							s_replenishFactoryCache.put(className, factory);
+							break;
+						}
+					}
 				}
 			}
 		}
@@ -437,7 +682,8 @@ public class Core {
 		return myReplenishInstance;
 	}
 	
-
+	private final static CCache<String, IServiceReferenceHolder<ScriptEngineFactory>> s_scriptEngineFactoryCache = new CCache<>(null, "ScriptEngineFactory", 100, false);
+	
 	/** Get script engine 
 	 * 
 	 * @param engineName
@@ -450,13 +696,23 @@ public class Core {
 		if (engine != null)
 			return engine;
 		
-		List<ScriptEngineFactory> factoryList = 
+		IServiceReferenceHolder<ScriptEngineFactory> cache = s_scriptEngineFactoryCache.get(engineName);
-				Service.locator().list(ScriptEngineFactory.class).getServices();
+		if (cache != null) {
+			ScriptEngineFactory service = cache.getService();
+			if (service != null)
+				return service.getScriptEngine();
+			s_scriptEngineFactoryCache.remove(engineName);
+		}
+		List<IServiceReferenceHolder<ScriptEngineFactory>> factoryList = Service.locator().list(ScriptEngineFactory.class).getServiceReferences();
 		if (factoryList != null) {
-			for(ScriptEngineFactory factory : factoryList) {
+			for(IServiceReferenceHolder<ScriptEngineFactory> factory : factoryList) {
-				for (String name : factory.getNames()) {
+				ScriptEngineFactory service = factory.getService();
-					if (engineName.equals(name)) {
+				if (service != null) {
-						return factory.getScriptEngine();
+					for (String name : service.getNames()) {
+						if (engineName.equals(name)) {
+							s_scriptEngineFactoryCache.put(engineName, factory);
+							return service.getScriptEngine();
+						}
 					}
 				}
 			}
@@ -465,6 +721,8 @@ public class Core {
 		return null;
 	}
 	
+	private static final CCache<String, IServiceReferenceHolder<IPaymentExporterFactory>> s_paymentExporterFactory = new CCache<>(null, "IPaymentExporterFactory", 100, false);
+	
 	/**
 	 * get PaymentExporter instance
 	 * 
@@ -478,15 +736,30 @@ public class Core {
 		}
 
 		PaymentExport myPaymentExporter = null;
-		
+		IServiceReferenceHolder<IPaymentExporterFactory> cache = s_paymentExporterFactory.get(className);
-		List<IPaymentExporterFactory> factoryList = 
+		if (cache != null) {
-				Service.locator().list(IPaymentExporterFactory.class).getServices();
+			IPaymentExporterFactory service = cache.getService();
-		if (factoryList != null) {
+			if (service != null) {
-			for(IPaymentExporterFactory factory : factoryList) {
+				PaymentExport exporter = service.newPaymentExporterInstance(className);
-				PaymentExport exporter = factory.newPaymentExporterInstance(className);
+				if (exporter != null) 
-				if (exporter != null) {
 					myPaymentExporter = exporter;
-					break;
+			}
+			if (myPaymentExporter == null)
+				s_paymentExporterFactory.remove(className);
+		}
+		if (myPaymentExporter == null) {
+			List<IServiceReferenceHolder<IPaymentExporterFactory>> factoryList = Service.locator().list(IPaymentExporterFactory.class).getServiceReferences();
+			if (factoryList != null) {
+				for(IServiceReferenceHolder<IPaymentExporterFactory> factory : factoryList) {
+					IPaymentExporterFactory service = factory.getService();
+					if (service != null) {
+						PaymentExport exporter = service.newPaymentExporterInstance(className);
+						if (exporter != null) {
+							myPaymentExporter = exporter;
+							s_paymentExporterFactory.put(className, factory);
+							break;
+						}
+					}
 				}
 			}
 		}
@@ -499,19 +772,30 @@ public class Core {
 		return myPaymentExporter;
 	}	
 
+	private static IServiceReferenceHolder<IProductPricingFactory> s_productPricingFactoryCache = null;
+	
 	/**
 	 * get ProductPricing instance
 	 * 
 	 * @return instance of the IProductPricing or null
 	 */
-	public static IProductPricing getProductPricing() {
+	public static synchronized IProductPricing getProductPricing() {
-
+		if (s_productPricingFactoryCache != null) {
-		List<IProductPricingFactory> factoryList = 
+			IProductPricingFactory service = s_productPricingFactoryCache.getService();
-				Service.locator().list(IProductPricingFactory.class).getServices();
+			if (service != null) {
-		if (factoryList != null) {
+				IProductPricing myProductPricing = service.newProductPricingInstance();
-			for(IProductPricingFactory factory : factoryList) {
+				if (myProductPricing != null)
-				IProductPricing myProductPricing = factory.newProductPricingInstance();
+					return myProductPricing;
+			}
+			s_productPricingFactoryCache = null;
+		}
+		IServiceReferenceHolder<IProductPricingFactory> factoryReference = Service.locator().locate(IProductPricingFactory.class).getServiceReference();
+		if (factoryReference != null) {
+			IProductPricingFactory service = factoryReference.getService();
+			if (service != null) {
+				IProductPricing myProductPricing = service.newProductPricingInstance();
 				if (myProductPricing != null) {
+					s_productPricingFactoryCache = factoryReference;
 					return myProductPricing;
 				}
 			}
@@ -520,20 +804,35 @@ public class Core {
 		return null;
 	}
 	
+	private final static CCache<String, IServiceReferenceHolder<IDepreciationMethodFactory>> s_depreciationMethodFactoryCache = new CCache<>(null, "IDepreciationMethodFactory", 100, false);
+	
 	/**
 	 * lookup implement {@link IDepreciationMethod}
 	 * @param factoryLookupDTO
-	 * @return
+	 * @return {@link IDepreciationMethod}
 	 */
 	public static IDepreciationMethod getDepreciationMethod(DepreciationFactoryLookupDTO factoryLookupDTO) {
-
+		String cacheKey = factoryLookupDTO.depreciationType;
-		List<IDepreciationMethodFactory> factoryList = 
+		IServiceReferenceHolder<IDepreciationMethodFactory> cache = s_depreciationMethodFactoryCache.get(cacheKey);
-				Service.locator().list(IDepreciationMethodFactory.class).getServices();
+		if (cache != null) {
-		if (factoryList != null) {
+			IDepreciationMethodFactory service = cache.getService();
-			for(IDepreciationMethodFactory factory : factoryList) {
+			if (service != null) {
-				IDepreciationMethod depreciationMethod = factory.getDepreciationMethod(factoryLookupDTO);
+				IDepreciationMethod depreciationMethod = service.getDepreciationMethod(factoryLookupDTO);
-				if (depreciationMethod != null) {
+				if (depreciationMethod != null) 
 					return depreciationMethod;
+			}
+			s_depreciationMethodFactoryCache.remove(cacheKey);
+		}
+		List<IServiceReferenceHolder<IDepreciationMethodFactory>> factoryList = Service.locator().list(IDepreciationMethodFactory.class).getServiceReferences();
+		if (factoryList != null) {
+			for(IServiceReferenceHolder<IDepreciationMethodFactory> factory : factoryList) {
+				IDepreciationMethodFactory service = factory.getService();
+				if (service != null) {
+					IDepreciationMethod depreciationMethod = service.getDepreciationMethod(factoryLookupDTO);
+					if (depreciationMethod != null) {
+						s_depreciationMethodFactoryCache.put(cacheKey, factory);
+						return depreciationMethod;
+					}
 				}
 			}
 		}
@@ -541,4 +840,88 @@ public class Core {
 		return null;
 	}
 
+	private static IServiceReferenceHolder<IMessageService> s_messageServiceReference = null;
+	
+	/**
+	 * 
+	 * @return {@link IMessageService}
+	 */
+	public static synchronized IMessageService getMessageService() {
+		IMessageService messageService = null;
+		if (s_messageServiceReference != null) {
+			messageService = s_messageServiceReference.getService();
+			if (messageService != null)
+				return messageService;
+		}
+		IServiceReferenceHolder<IMessageService> serviceReference = Service.locator().locate(IMessageService.class).getServiceReference();
+		if (serviceReference != null) {
+			messageService = serviceReference.getService();
+			s_messageServiceReference = serviceReference;
+		}
+		return messageService;
+	}
+	
+	private static IServiceReferenceHolder<IClusterService> s_clusterServiceReference = null;
+	
+	/**
+	 * 
+	 * @return {@link IClusterService}
+	 */
+	public static synchronized IClusterService getClusterService() {
+		IClusterService clusterService = null;
+		if (s_clusterServiceReference != null) {
+			clusterService = s_clusterServiceReference.getService();
+			if (clusterService != null)
+				return clusterService;
+		}
+		IServiceReferenceHolder<IClusterService> serviceReference = Service.locator().locate(IClusterService.class).getServiceReference();
+		if (serviceReference != null) {
+			clusterService = serviceReference.getService();
+			s_clusterServiceReference = serviceReference;
+		}
+		return clusterService;
+	}
+	
+	private static IServiceReferenceHolder<ICacheService> s_cacheServiceReference = null;
+	
+	/**
+	 * 
+	 * @return {@link ICacheService}
+	 */
+	public static synchronized ICacheService getCacheService() {
+		ICacheService cacheService = null;
+		if (s_cacheServiceReference != null) {
+			cacheService = s_cacheServiceReference.getService();
+			if (cacheService != null)
+				return cacheService;
+		}
+		IServiceReferenceHolder<ICacheService> serviceReference = Service.locator().locate(ICacheService.class).getServiceReference();
+		if (serviceReference != null) {
+			cacheService = serviceReference.getService();
+			s_cacheServiceReference = serviceReference;
+		}
+		return cacheService;
+	}
+	
+	private static IServiceReferenceHolder<IDictionaryService> s_dictionaryServiceReference = null;
+	
+	/**
+	 * 
+	 * @return {@link IDictionaryService}
+	 */
+	public static synchronized IDictionaryService getDictionaryService() {
+		IDictionaryService ids = null;
+		if (s_dictionaryServiceReference != null) {
+			ids = s_dictionaryServiceReference.getService();
+			if (ids != null)
+				return ids;
+		}
+		IServiceReferenceHolder<IDictionaryService> serviceReference = Service.locator().locate(IDictionaryService.class).getServiceReference();
+		if (serviceReference != null) {
+			ids = serviceReference.getService();
+			s_dictionaryServiceReference = serviceReference;
+		}
+		return ids;
+	}
+		
 }

org.adempiere.base/src/org/adempiere/base/DefaultModelFactory.java

@@ -37,7 +37,7 @@ import org.compiere.util.Util;
  */
 public class DefaultModelFactory implements IModelFactory {
 
-	private static CCache<String,Class<?>> s_classCache = new CCache<String,Class<?>>(null, "PO_Class", 20, false);
+	private static CCache<String,Class<?>> s_classCache = new CCache<String,Class<?>>(null, "PO_Class", 100, 120, false, 2000);
 	private final static CLogger s_log = CLogger.getCLogger(DefaultModelFactory.class);
 
 	/**	Packages for Model Classes	*/

org.adempiere.base/src/org/adempiere/base/IServiceHolder.java

@@ -22,9 +22,14 @@ package org.adempiere.base;
 public interface IServiceHolder<T> {
 
 	/**
-	 * 
+	 * Get service with highest service.ranking value
 	 * @return service instance. null if not available or no matching service found
 	 */
 	public T getService();
 	
+	/**
+	 * Get service reference for service with highest service.ranking value
+	 * @return {@link IServiceReferenceHolder}
+	 */
+	public IServiceReferenceHolder<T> getServiceReference();
 }

org.adempiere.base/src/org/adempiere/base/IServiceReferenceHolder.java

@@ -0,0 +1,49 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.adempiere.base;
+
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Dynamic service reference holder for a service object.
+ * For cache usage, you should cache this instead of service object
+ * @author hengsin
+ *
+ * @param <T>
+ */
+public interface IServiceReferenceHolder<T> {
+
+	/**
+	 * Get service object from cache service reference
+	 * @return Service Object or null if the osgi service is no longer available
+	 */
+	public T getService();
+	
+	/**
+	 * Get the cache service reference
+	 * @return ServiceReference
+	 */
+	public ServiceReference<T> getServiceReference();
+}

org.adempiere.base/src/org/adempiere/base/IServicesHolder.java

@@ -24,9 +24,15 @@ import java.util.List;
 public interface IServicesHolder<T> {
 	
 	/**
-	 * 
+	 * Get list of service, sorted by service.ranking (from highest to lowest ranking)
 	 * @return list of service instance. null if not available or no matching service found
 	 */
 	public List<T> getServices();
 
+	/**
+	 * Get list of service reference, sorted by service.ranking (from highest to lowest ranking).
+	 * If you want to cache service, cache IServiceReferenceHolder instead of the actual service object
+	 * @return list of {@link IServiceReferenceHolder}
+	 */
+	public List<IServiceReferenceHolder<T>> getServiceReferences();
 }

org.adempiere.base/src/org/adempiere/base/LookupFactoryHelper.java

@@ -0,0 +1,129 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.adempiere.base;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.compiere.model.GridFieldVO;
+import org.compiere.model.Lookup;
+import org.compiere.util.CCache;
+import org.osgi.framework.Constants;
+
+/**
+ * Static helper methods for working with {@link ILookupFactory}
+ * @author hengsin
+ *
+ */
+public final class LookupFactoryHelper {
+
+	private LookupFactoryHelper() {
+	}
+
+	private static final CCache<Long, IServiceReferenceHolder<ILookupFactory>> s_lookupFactoryCache = new CCache<Long, IServiceReferenceHolder<ILookupFactory>>(
+			null, "ILookupFactory", 10, false);
+
+	/**
+	 * Get lookup from osgi factory
+	 * 
+	 * @param gridFieldVO
+	 * @return {@link Lookup}
+	 */
+	public static Lookup getLookup(GridFieldVO gridFieldVO) {
+		List<Long> visitedIds = new ArrayList<Long>();
+		if (!s_lookupFactoryCache.isEmpty()) {
+			Long[] keys = s_lookupFactoryCache.keySet().toArray(new Long[0]);
+			for (Long key : keys) {
+				IServiceReferenceHolder<ILookupFactory> serviceReference = s_lookupFactoryCache.get(key);
+				if (serviceReference != null) {
+					ILookupFactory service = serviceReference.getService();
+					if (service != null) {
+						visitedIds.add(key);
+						Lookup lookup = service.getLookup(gridFieldVO);
+						if (lookup != null)
+							return lookup;
+					} else {
+						s_lookupFactoryCache.remove(key);
+					}
+				}
+			}
+		}
+		List<IServiceReferenceHolder<ILookupFactory>> serviceReferences = Service.locator().list(ILookupFactory.class)
+				.getServiceReferences();
+		for (IServiceReferenceHolder<ILookupFactory> serviceReference : serviceReferences) {
+			Long serviceId = (Long) serviceReference.getServiceReference().getProperty(Constants.SERVICE_ID);
+			if (visitedIds.contains(serviceId))
+				continue;
+			ILookupFactory service = serviceReference.getService();
+			if (service != null) {
+				s_lookupFactoryCache.put(serviceId, serviceReference);
+				Lookup lookup = service.getLookup(gridFieldVO);
+				if (lookup != null)
+					return lookup;
+			}
+		}
+		return null;
+	}
+	
+	/**
+	 * Check lookup from osgi factory 
+	 * 
+	 * @param gridFieldVO
+	 * @return true if gridFieldVO is a lookup field
+	 */
+	public static boolean isLookup(GridFieldVO gridFieldVO) {
+		List<Long> visitedIds = new ArrayList<Long>();
+		if (!s_lookupFactoryCache.isEmpty()) {
+			Long[] keys = s_lookupFactoryCache.keySet().toArray(new Long[0]);
+			for (Long key : keys) {
+				IServiceReferenceHolder<ILookupFactory> serviceReference = s_lookupFactoryCache.get(key);
+				if (serviceReference != null) {
+					ILookupFactory service = serviceReference.getService();
+					if (service != null) {
+						visitedIds.add(key);
+						if (service.isLookup(gridFieldVO))
+							return true;
+					} else {
+						s_lookupFactoryCache.remove(key);
+					}
+				}
+			}
+		}
+		List<IServiceReferenceHolder<ILookupFactory>> serviceReferences = Service.locator().list(ILookupFactory.class)
+				.getServiceReferences();
+		for (IServiceReferenceHolder<ILookupFactory> serviceReference : serviceReferences) {
+			Long serviceId = (Long) serviceReference.getServiceReference().getProperty(Constants.SERVICE_ID);
+			if (visitedIds.contains(serviceId))
+				continue;
+			ILookupFactory service = serviceReference.getService();
+			if (service != null) {
+				s_lookupFactoryCache.put(serviceId, serviceReference);
+				if (service.isLookup(gridFieldVO))
+					return true;
+			}
+		}
+		return false;
+	}
+}

org.adempiere.base/src/org/adempiere/base/ds/DynamicServiceHolder.java

@@ -19,6 +19,7 @@ import java.util.Collections;
 import java.util.List;
 
 import org.adempiere.base.IServiceHolder;
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.IServicesHolder;
 import org.osgi.framework.ServiceReference;
 import org.osgi.util.tracker.ServiceTracker;
@@ -54,10 +55,36 @@ public class DynamicServiceHolder<T> implements IServiceHolder<T>, IServicesHold
 		if (objects != null && objects.length > 0) {
 			references = Arrays.asList(objects);
 		}
-		Collections.sort(references, Collections.reverseOrder());
+		if (references.size() > 1)
+			Collections.sort(references, ServiceRankingComparator.INSTANCE);
 		for(ServiceReference<T> reference : references) {
 			services.add(serviceTracker.getService(reference));
 		}
 		return services;
 	}
+	
+	
+	@Override
+	public IServiceReferenceHolder<T> getServiceReference() {
+		ServiceReference<T> v = serviceTracker.getServiceReference();
+		if (v != null)
+			return new DynamicServiceReference<T>(serviceTracker, v);
+		return null;
+	}
+
+	@Override
+	public List<IServiceReferenceHolder<T>> getServiceReferences() {
+		List<IServiceReferenceHolder<T>> services = new ArrayList<>();
+		ServiceReference<T>[] objects = serviceTracker.getServiceReferences();
+		List<ServiceReference<T>> references = new ArrayList<ServiceReference<T>>();
+		if (objects != null && objects.length > 0) {
+			references = Arrays.asList(objects);
+		}
+		if (references.size() > 1)
+			Collections.sort(references, ServiceRankingComparator.INSTANCE);
+		for(ServiceReference<T> reference : references) {
+			services.add(new DynamicServiceReference<T>(serviceTracker, reference));
+		}
+		return services;
+	}	
 }

org.adempiere.base/src/org/adempiere/base/ds/DynamicServiceReference.java

@@ -0,0 +1,61 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.adempiere.base.ds;
+
+import org.adempiere.base.IServiceReferenceHolder;
+import org.osgi.framework.ServiceReference;
+import org.osgi.util.tracker.ServiceTracker;
+
+/**
+ * IServiceReferenceHolder implementation using ServiceTracker
+ * @author hengsin
+ *
+ * @param <T>
+ */
+public class DynamicServiceReference<T> implements IServiceReferenceHolder<T> {
+
+	private ServiceTracker<T, T> serviceTracker;
+	private ServiceReference<T> serviceReference;
+	
+	/**
+	 * 
+	 * @param tracker
+	 * @param serviceReference
+	 */
+	public DynamicServiceReference(ServiceTracker<T, T> tracker, ServiceReference<T> serviceReference) {
+		this.serviceTracker = tracker;
+		this.serviceReference = serviceReference;
+	}
+
+	@Override
+	public T getService() {
+		return serviceTracker.getService(serviceReference);
+	}
+
+	@Override
+	public ServiceReference<T> getServiceReference() {
+		return serviceReference;
+	}
+}

org.adempiere.base/src/org/adempiere/base/ds/ServiceRankingComparator.java

@@ -0,0 +1,102 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.adempiere.base.ds;
+
+import java.io.Serializable;
+import java.util.Comparator;
+
+import org.osgi.framework.Constants;
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Service Reference Comparator.
+ * This comparator follows OSGi Ranking policy.
+ * @author hengsin
+ */
+public final class ServiceRankingComparator implements Comparator<ServiceReference<?>>, Serializable {
+    /**
+	 * 
+	 */
+	private static final long serialVersionUID = 3444598255961708618L;
+	
+	/**
+	 * share service ranking comparator instance
+	 */
+	public static final ServiceRankingComparator INSTANCE = new ServiceRankingComparator();
+    
+	private ServiceRankingComparator() {}
+	
+    /**
+     * Compares two service reference.
+     * @param serviceReference1 service reference 1
+     * @param serviceReference2 service reference 2
+     * @return <code>-1</code> if service reference 1 service.ranking value
+     * is higher than service reference 2, <code>1</code> otherwise. 
+     * (i.e for sorting in descending order of service.ranking value)
+     * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
+     */
+    public int compare(ServiceReference<?> serviceReference1, ServiceReference<?> serviceReference2) {
+        if (serviceReference1.equals(serviceReference2)) { return 0; }
+
+        if (serviceReference2 != null) {
+            Object serviceRankingP1 = serviceReference1.getProperty(Constants.SERVICE_RANKING);
+            Object serviceRankingP2 = serviceReference2.getProperty(Constants.SERVICE_RANKING);
+
+            int serviceRanking1 = 0;
+            int serviceRanking2 = 0;
+            if (serviceRankingP1 instanceof Integer) {
+                serviceRanking1 = (Integer) serviceRankingP1;
+            }
+            if (serviceRankingP2 instanceof Integer) {
+                serviceRanking2 = (Integer) serviceRankingP2;
+            }
+
+            if (serviceRanking1 == serviceRanking2) {
+                // Check service.id
+                Object serviceIdP1 = serviceReference1.getProperty(Constants.SERVICE_ID);
+                Object serviceIdP2 = serviceReference2.getProperty(Constants.SERVICE_ID);
+
+                long serviceId1 = (Long) serviceIdP1;
+                long serviceId2 = (Long) serviceIdP2;
+
+                if (serviceId1 == serviceId2) {
+                    return 0;
+                } else if (serviceId1 > serviceId2) {
+                    return -1;
+                } else {
+                    return 1;
+                }
+
+            } else if (serviceRanking1 > serviceRanking2) {
+                return -1;
+            } else {
+                return 1;
+            }
+
+        } else {
+            return 0;
+        }
+    }
+}

org.adempiere.base/src/org/adempiere/process/PrintShippingLabel.java

@@ -1,5 +1,6 @@
 package org.adempiere.process;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.compiere.model.MAttachment;
 import org.compiere.model.MPackage;
@@ -27,7 +28,7 @@ public class PrintShippingLabel extends SvrProcess
 		if (labelId <= 0)
 			return "Label format not defined.";
 
-		IPrintShippingLabel service = Service.locator().locate(IPrintShippingLabel.class).getService();
+		IPrintShippingLabel service = getService();
 		if (service != null)
 		{
 			MShipperLabels label = new MShipperLabels(getCtx(), labelId, get_TrxName());		
@@ -39,4 +40,24 @@ public class PrintShippingLabel extends SvrProcess
 		else
 			return "Not found in service/extension registry and classpath";
 	}
+
+	private static IServiceReferenceHolder<IPrintShippingLabel> s_serviceReference = null;
+	
+	private synchronized static IPrintShippingLabel getService() {
+		if (s_serviceReference != null) {
+			IPrintShippingLabel service = s_serviceReference.getService();
+			if (service != null)
+				return service;
+		}
+		IServiceReferenceHolder<IPrintShippingLabel> serviceReference = Service.locator().locate(IPrintShippingLabel.class).getServiceReference();
+		if (serviceReference != null) {
+			IPrintShippingLabel service = serviceReference.getService();
+			if (service != null) {
+				s_serviceReference = serviceReference;
+				return service;
+			}
+		}
+		return null;
+		
+	}
 }

org.adempiere.base/src/org/compiere/acct/DocManager.java

@@ -24,6 +24,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.adempiere.base.IDocFactory;
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.base.ServiceQuery;
 import org.adempiere.exceptions.AdempiereException;
@@ -31,6 +32,7 @@ import org.adempiere.exceptions.DBException;
 import org.compiere.model.MAcctSchema;
 import org.compiere.model.MTable;
 import org.compiere.util.AdempiereUserError;
+import org.compiere.util.CCache;
 import org.compiere.util.CLogger;
 import org.compiere.util.DB;
 import org.compiere.util.Env;
@@ -108,6 +110,8 @@ public class DocManager {
 		}
 	}
 
+	private static final CCache<String, IServiceReferenceHolder<IDocFactory>> s_DocFactoryCache = new CCache<>(null, "IDocFactory", 100, false);
+	
 	/**
 	 *  Create Posting document
 	 *	@param as accounting schema
@@ -133,29 +137,57 @@ public class DocManager {
 			return null;
 		}
 
-		ServiceQuery query = new ServiceQuery();
+		String cacheKey = as.getC_AcctSchema_ID() + "|" + AD_Table_ID;
-		query.put("gaap", as.getGAAP());
+		IServiceReferenceHolder<IDocFactory> cache = s_DocFactoryCache.get(cacheKey);
-		List<IDocFactory> factoryList = Service.locator().list(IDocFactory.class, query).getServices();
+		if (cache != null)
-		if (factoryList != null)
 		{
-			for(IDocFactory factory : factoryList)
+			IDocFactory service = cache.getService();
+			if (service != null)
 			{
-				Doc doc = factory.getDocument(as, AD_Table_ID, Record_ID, trxName);
+				Doc doc = service.getDocument(as, AD_Table_ID, Record_ID, trxName);
 				if (doc != null)
 					return doc;
 			}
+			s_DocFactoryCache.remove(cacheKey);
+		}
+		
+		ServiceQuery query = new ServiceQuery();
+		query.put("gaap", as.getGAAP());
+		List<IServiceReferenceHolder<IDocFactory>> factoryList = Service.locator().list(IDocFactory.class, query).getServiceReferences();
+		if (factoryList != null)
+		{
+			for(IServiceReferenceHolder<IDocFactory> factory : factoryList)
+			{
+				IDocFactory service = factory.getService();
+				if (service != null)
+				{
+					Doc doc = service.getDocument(as, AD_Table_ID, Record_ID, trxName);
+					if (doc != null)
+					{
+						s_DocFactoryCache.put(cacheKey, factory);
+						return doc;
+					}
+				}
+			}
 		}
 
 		query.clear();
 		query.put("gaap", "*");
-		factoryList = Service.locator().list(IDocFactory.class, query).getServices();
+		factoryList = Service.locator().list(IDocFactory.class, query).getServiceReferences();
 		if (factoryList != null)
 		{
-			for(IDocFactory factory : factoryList)
+			for(IServiceReferenceHolder<IDocFactory> factory : factoryList)
 			{
-				Doc doc = factory.getDocument(as, AD_Table_ID, Record_ID, trxName);
+				IDocFactory service = factory.getService();
-				if (doc != null)
+				if (service != null)
-					return doc;
+				{
+					Doc doc = service.getDocument(as, AD_Table_ID, Record_ID, trxName);
+					if (doc != null)
+					{
+						s_DocFactoryCache.put(cacheKey, factory);
+						return doc;
+					}
+				}
 			}
 		}
 
@@ -173,29 +205,57 @@ public class DocManager {
 	 */
 	public static Doc getDocument(MAcctSchema as, int AD_Table_ID, ResultSet rs, String trxName)
 	{
-		ServiceQuery query = new ServiceQuery();
+		String cacheKey = as.getC_AcctSchema_ID() + "|" + AD_Table_ID;
-		query.put("gaap", as.getGAAP());
+		IServiceReferenceHolder<IDocFactory> cache = s_DocFactoryCache.get(cacheKey);
-		List<IDocFactory> factoryList = Service.locator().list(IDocFactory.class,query).getServices();
+		if (cache != null)
-		if (factoryList != null)
 		{
-			for(IDocFactory factory : factoryList)
+			IDocFactory service = cache.getService();
+			if (service != null)
 			{
-				Doc doc = factory.getDocument(as, AD_Table_ID, rs, trxName);
+				Doc doc = service.getDocument(as, AD_Table_ID, rs, trxName);
 				if (doc != null)
 					return doc;
 			}
+			s_DocFactoryCache.remove(cacheKey);
+		}
+		
+		ServiceQuery query = new ServiceQuery();
+		query.put("gaap", as.getGAAP());
+		List<IServiceReferenceHolder<IDocFactory>> factoryList = Service.locator().list(IDocFactory.class,query).getServiceReferences();
+		if (factoryList != null)
+		{
+			for(IServiceReferenceHolder<IDocFactory> factory : factoryList)
+			{
+				IDocFactory service = factory.getService();
+				if (service != null)
+				{
+					Doc doc = service.getDocument(as, AD_Table_ID, rs, trxName);
+					if (doc != null)
+					{
+						s_DocFactoryCache.put(cacheKey, factory);
+						return doc;
+					}
+				}
+			}
 		}
 
 		query.clear();
 		query.put("gaap", "*");
-		factoryList = Service.locator().list(IDocFactory.class,query).getServices();
+		factoryList = Service.locator().list(IDocFactory.class,query).getServiceReferences();
 		if (factoryList != null)
 		{
-			for(IDocFactory factory : factoryList)
+			for(IServiceReferenceHolder<IDocFactory> factory : factoryList)
 			{
-				Doc doc = factory.getDocument(as, AD_Table_ID, rs, trxName);
+				IDocFactory service = factory.getService();
-				if (doc != null)
+				if (service != null)
-					return doc;
+				{
+					Doc doc = service.getDocument(as, AD_Table_ID, rs, trxName);
+					if (doc != null)
+					{
+						s_DocFactoryCache.put(cacheKey, factory);
+						return doc;
+					}
+				}
 			}
 		}
 

org.adempiere.base/src/org/compiere/db/Database.java

@@ -19,8 +19,10 @@ package org.compiere.db;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.base.ServiceQuery;
+import org.compiere.util.CCache;
 import org.compiere.util.CLogger;
 import org.compiere.util.Util;
 
@@ -51,15 +53,29 @@ public class Database
     /** Default Port            */
 	public static final int         DB_POSTGRESQL_DEFAULT_PORT = 5432;
 	
+	private static final CCache<String, IServiceReferenceHolder<AdempiereDatabase>> s_databaseReferenceCache = new CCache<>(null, "IDatabase", 2, false);
+	
 	/**
 	 *  Get Database by database Id.
 	 *  @return database
 	 */
 	public static AdempiereDatabase getDatabase (String type)
 	{
+		AdempiereDatabase db = null;
+		IServiceReferenceHolder<AdempiereDatabase> cache = s_databaseReferenceCache.get(type);
+		if (cache != null) {
+			db = cache.getService();
+			if (db != null)
+				return db;
+			s_databaseReferenceCache.remove(type);
+		}
 		ServiceQuery query = new ServiceQuery();
 		query.put("id", type);
-		AdempiereDatabase db = Service.locator().locate(AdempiereDatabase.class, query).getService();
+		IServiceReferenceHolder<AdempiereDatabase> serviceReference = Service.locator().locate(AdempiereDatabase.class, query).getServiceReference();
+		if (serviceReference != null) {
+			db = serviceReference.getService();
+			s_databaseReferenceCache.put(type, serviceReference);
+		}
 		return db;
 	}
 	

org.adempiere.base/src/org/compiere/model/GridField.java

@@ -35,8 +35,7 @@ import java.util.Properties;
 import java.util.StringTokenizer;
 import java.util.logging.Level;
 
-import org.adempiere.base.ILookupFactory;
+import org.adempiere.base.LookupFactoryHelper;
-import org.adempiere.base.Service;
 import org.adempiere.exceptions.AdempiereException;
 import org.compiere.util.CLogMgt;
 import org.compiere.util.CLogger;
@@ -195,15 +194,8 @@ public class GridField
 	}   //  m_lookup
 
 	private void loadLookupFromFactory() {
-		//http://jira.idempiere.com/browse/IDEMPIERE-694
+		//http://jira.idempiere.com/browse/IDEMPIERE-694		
-		//see DefaultLookupFactory.java for the other default Lookups
+		m_lookup = LookupFactoryHelper.getLookup(m_vo);
-		List<ILookupFactory> factoryList = Service.locator().list(ILookupFactory.class).getServices();
-		for(ILookupFactory factory : factoryList)
-		{
-			m_lookup = factory.getLookup(m_vo);
-			if (m_lookup != null)
-				break;
-		}
 	}
 
 	/***
@@ -263,14 +255,8 @@ public class GridField
 	//		retValue = false;
 		else {
 			//http://jira.idempiere.com/browse/IDEMPIERE-694
-			//see DefaultLookupFactory.java for the other default Lookups
+			if (LookupFactoryHelper.isLookup(m_vo))
-			List<ILookupFactory> factoryList = Service.locator().list(ILookupFactory.class).getServices();
+				retValue = true;
-			for(ILookupFactory factory : factoryList)
-			{
-				retValue = factory.isLookup(m_vo);
-				if (retValue == true)
-					break;
-			}
 		}
 		return retValue;
 	}   //  isLookup

org.adempiere.base/src/org/compiere/model/GridWindowVO.java

@@ -41,6 +41,17 @@ public class GridWindowVO implements Serializable
 	 */
 	private static final long serialVersionUID = 6884332743173214735L;
 
+	/**
+	 *  Create Window Value Object
+	 *  @param WindowNo window no for ctx
+	 *  @param AD_Window_ID window id
+	 *  @return MWindowVO
+	 */
+	public static GridWindowVO create (int WindowNo, int AD_Window_ID)
+	{
+		return create(Env.getCtx(), WindowNo, AD_Window_ID);
+	}
+	
 	/**
 	 *  Create Window Value Object
 	 *  @param ctx context

org.adempiere.base/src/org/compiere/model/MPInstance.java

@@ -27,7 +27,7 @@ import java.util.Map;
 import java.util.Properties;
 import java.util.logging.Level;
 
-import org.adempiere.base.Service;
+import org.adempiere.base.Core;
 import org.adempiere.base.event.EventManager;
 import org.compiere.util.CLogger;
 import org.compiere.util.DB;
@@ -402,7 +402,7 @@ public class MPInstance extends X_AD_PInstance
 	}
 	
 	public static void publishChangedEvent(int AD_User_ID) {
-		IMessageService service = Service.locator().locate(IMessageService.class).getService();
+		IMessageService service = Core.getMessageService();
 		if (service != null) {
 			ITopic<Integer> topic = service.getTopic(ON_RUNNING_JOB_CHANGED_TOPIC);
 			topic.publish(AD_User_ID);

org.adempiere.base/src/org/compiere/model/MRecentItem.java

@@ -24,7 +24,7 @@ import java.util.Map;
 import java.util.Properties;
 import java.util.logging.Level;
 
-import org.adempiere.base.Service;
+import org.adempiere.base.Core;
 import org.adempiere.base.event.EventManager;
 import org.adempiere.exceptions.AdempiereException;
 import org.compiere.util.CLogger;
@@ -244,7 +244,7 @@ public class MRecentItem extends X_AD_RecentItem implements ImmutablePOSupport
 	}
 
 	public static void publishChangedEvent(int AD_User_ID) {
-		IMessageService service = Service.locator().locate(IMessageService.class).getService();
+		IMessageService service = Core.getMessageService();
 		if (service != null) {
 			ITopic<Integer> topic = service.getTopic(ON_RECENT_ITEM_CHANGED_TOPIC);
 			topic.publish(AD_User_ID);

org.adempiere.base/src/org/compiere/model/MStorageProvider.java

@@ -19,9 +19,11 @@ package org.compiere.model;
 import java.sql.ResultSet;
 import java.util.Properties;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.base.ServiceQuery;
 import org.adempiere.exceptions.AdempiereException;
+import org.compiere.util.CCache;
 
 public class MStorageProvider extends X_AD_StorageProvider {
 	/**
@@ -37,42 +39,132 @@ public class MStorageProvider extends X_AD_StorageProvider {
 		super(ctx, rs, trxName);
 	}
 
+	/**
+	 * 
+	 * @return {@link IAttachmentStore}
+	 */
 	public IAttachmentStore getAttachmentStore() {
 		ServiceQuery query=new ServiceQuery();
 		String method = this.getMethod();
 		if (method == null)
 			method = "DB";
 		query.put("method", method);
-		IAttachmentStore store = Service.locator().locate(IAttachmentStore.class, query).getService();			
+		IAttachmentStore store = getAttachmentStoreService(query);			
 		if (store == null) {
 			throw new AdempiereException("No attachment storage provider found");
 		}
 		return store;
 	}
+
+	private static CCache<ServiceQuery, IServiceReferenceHolder<IAttachmentStore>> s_attachmentStoreReference = new CCache<>(null, "IAttachmentStore", 3, false);
 	
+	/**
+	 * 
+	 * @param query
+	 * @return {@link IAttachmentStore}
+	 */
+	public static IAttachmentStore getAttachmentStoreService(ServiceQuery query) {
+		IAttachmentStore store = null;
+		IServiceReferenceHolder<IAttachmentStore> cache = s_attachmentStoreReference.get(query);
+		if (cache != null) {
+			store = cache.getService();
+			if (store != null)
+				return store;
+			else
+				s_attachmentStoreReference.remove(query);
+		}
+		IServiceReferenceHolder<IAttachmentStore> serviceReference = Service.locator().locate(IAttachmentStore.class, query).getServiceReference();
+		if (serviceReference != null) {
+			store = serviceReference.getService();
+			if (store != null)
+				s_attachmentStoreReference.put(query, serviceReference);
+		}
+		return store;
+	}
+	
+	/**
+	 * 
+	 * @return {@link IArchiveStore}
+	 */
 	public IArchiveStore getArchiveStore() {
 		ServiceQuery query=new ServiceQuery();
 		String method = this.getMethod();
 		if (method == null)
 			method = "DB";
 		query.put("method", method);
-		IArchiveStore store = Service.locator().locate(IArchiveStore.class, query).getService();
+		IArchiveStore store = getArchiveStoreService(query);
 		if (store == null) {
 			throw new AdempiereException("No archive storage provider found");
 		}
 		return store;
 	}
+
+	private static CCache<ServiceQuery, IServiceReferenceHolder<IArchiveStore>> s_archiveStoreReference = new CCache<>(null, "IArchiveStore", 3, false);
+	
+	/**
+	 * 
+	 * @param query
+	 * @return {@link IArchiveStore}
+	 */
+	public static IArchiveStore getArchiveStoreService(ServiceQuery query) {
+		IArchiveStore store = null;
+		IServiceReferenceHolder<IArchiveStore> cache = s_archiveStoreReference.get(query);
+		if (cache != null) {
+			store = cache.getService();
+			if (store != null)
+				return store;
+			else
+				s_archiveStoreReference.remove(query);
+		}
 		
+		IServiceReferenceHolder<IArchiveStore> serviceReference = Service.locator().locate(IArchiveStore.class, query).getServiceReference();
+		if (serviceReference != null) {
+			store = serviceReference.getService();
+			if (store != null)
+				s_archiveStoreReference.put(query, serviceReference);
+		}
+		return store;
+	}
+		
+	/**
+	 * 
+	 * @return {@link IImageStore}
+	 */
 	public IImageStore getImageStore() {
 		ServiceQuery query=new ServiceQuery();
 		String method = this.getMethod();
 		if (method == null)
 			method = "DB";
 		query.put("method", method);
-		IImageStore store = Service.locator().locate(IImageStore.class, query).getService();
+		IImageStore store = getImageStoreService(query);
 		if (store == null) {
 			throw new AdempiereException("No image storage provider found");
 		}
 		return store;
 	}
+
+	private static CCache<ServiceQuery, IServiceReferenceHolder<IImageStore>> s_imageStoreReference = new CCache<>(null, "IImageStore", 3, false);
+	
+	/**
+	 * 
+	 * @param query
+	 * @return {@link IImageStore}
+	 */
+	public static IImageStore getImageStoreService(ServiceQuery query) {
+		IImageStore store = null;
+		IServiceReferenceHolder<IImageStore> cache = s_imageStoreReference.get(query);
+		if (cache != null) {
+			store = cache.getService();
+			if (store != null)
+				return store;
+			else
+				s_imageStoreReference.remove(query);
+		}
+		IServiceReferenceHolder<IImageStore> serviceReference = Service.locator().locate(IImageStore.class, query).getServiceReference();
+		if (serviceReference != null) {
+			store = serviceReference.getService();
+			s_imageStoreReference.put(query, serviceReference);
+		}
+		return store;
+	}
 }

org.adempiere.base/src/org/compiere/model/MTable.java

@@ -31,10 +31,12 @@ import java.util.Properties;
 import java.util.logging.Level;
 
 import org.adempiere.base.IModelFactory;
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.model.GenericPO;
 import org.compiere.db.AdempiereDatabase;
 import org.compiere.db.Database;
+import org.compiere.util.CCache;
 import org.compiere.util.CLogger;
 import org.compiere.util.DB;
 import org.compiere.util.Env;
@@ -207,7 +209,7 @@ public class MTable extends X_AD_Table implements ImmutablePOSupport
 	/**	Static Logger	*/
 	private static CLogger	s_log	= CLogger.getCLogger (MTable.class);
 
-
+	private static final CCache<String, IServiceReferenceHolder<IModelFactory>> s_modelFactoryCache = new CCache<>(null, "IModelFactory", 100, 120, false, 2000);
 
 	/**
 	 * 	Get Persistence Class for Table
@@ -216,13 +218,32 @@ public class MTable extends X_AD_Table implements ImmutablePOSupport
 	 */
 	public static Class<?> getClass (String tableName)
 	{
-		List<IModelFactory> factoryList = Service.locator().list(IModelFactory.class).getServices();
+		IServiceReferenceHolder<IModelFactory> cache = s_modelFactoryCache.get(tableName);
+		if (cache != null)
+		{
+			IModelFactory service = cache.getService();
+			if (service != null)
+			{
+				Class<?> clazz = service.getClass(tableName);
+				if (clazz != null)
+					return clazz;
+			}
+			s_modelFactoryCache.remove(tableName);
+		}
+		
+		List<IServiceReferenceHolder<IModelFactory>> factoryList = Service.locator().list(IModelFactory.class).getServiceReferences();
 		if (factoryList == null)
 			return null;
-		for(IModelFactory factory : factoryList) {
+		for(IServiceReferenceHolder<IModelFactory> factory : factoryList) {
-			Class<?> clazz = factory.getClass(tableName);
+			IModelFactory service = factory.getService();
-			if (clazz != null)
+			if (service != null) {
-				return clazz;
+				Class<?> clazz = service.getClass(tableName);
+				if (clazz != null)
+				{
+					s_modelFactoryCache.put(tableName, factory);
+					return clazz;
+				}
+			}
 		}
 		return null;
 	}	//	getClass
@@ -481,18 +502,43 @@ public class MTable extends X_AD_Table implements ImmutablePOSupport
 		}
 
 		PO po = null;
-		List<IModelFactory> factoryList = Service.locator().list(IModelFactory.class).getServices();
+		IServiceReferenceHolder<IModelFactory> cache = s_modelFactoryCache.get(tableName);
-		if (factoryList != null)
+		if (cache != null)
 		{
-			for(IModelFactory factory : factoryList)
+			IModelFactory service = cache.getService();
+			if (service != null)
 			{
-				po = factory.getPO(tableName, Record_ID, trxName);
+				po = service.getPO(tableName, Record_ID, trxName);
 				if (po != null)
 				{
 					if (po.get_ID() != Record_ID && Record_ID > 0)
 						po = null;
 					else
-						break;
+						return po;
+				}
+			}
+			s_modelFactoryCache.remove(tableName);
+		}
+		
+		List<IServiceReferenceHolder<IModelFactory>> factoryList = Service.locator().list(IModelFactory.class).getServiceReferences();
+		if (factoryList != null)
+		{
+			for(IServiceReferenceHolder<IModelFactory> factory : factoryList)
+			{
+				IModelFactory service = factory.getService();
+				if (service != null)
+				{
+					po = service.getPO(tableName, Record_ID, trxName);
+					if (po != null)
+					{
+						if (po.get_ID() != Record_ID && Record_ID > 0)
+							po = null;
+						else
+						{
+							s_modelFactoryCache.put(tableName, factory);
+							break;
+						}
+					}
 				}
 			}
 		}
@@ -518,13 +564,32 @@ public class MTable extends X_AD_Table implements ImmutablePOSupport
 		String tableName = getTableName();
 
 		PO po = null;
-		List<IModelFactory> factoryList = Service.locator().list(IModelFactory.class).getServices();
+		IServiceReferenceHolder<IModelFactory> cache = s_modelFactoryCache.get(tableName);
+		if (cache != null)
+		{
+			IModelFactory service = cache.getService();
+			if (service != null)
+			{
+				po = service.getPO(tableName, rs, trxName);
+				if (po != null)
+					return po;
+			}
+			s_modelFactoryCache.remove(tableName);
+		}
+		List<IServiceReferenceHolder<IModelFactory>> factoryList = Service.locator().list(IModelFactory.class).getServiceReferences();
 		if (factoryList != null)
 		{
-			for(IModelFactory factory : factoryList) {
+			for(IServiceReferenceHolder<IModelFactory> factory : factoryList) {
-				po = factory.getPO(tableName, rs, trxName);
+				IModelFactory service = factory.getService();
-				if (po != null)
+				if (service != null)
-					break;
+				{
+					po = service.getPO(tableName, rs, trxName);
+					if (po != null)
+					{
+						s_modelFactoryCache.put(tableName, factory);
+						break;
+					}
+				}
 			}
 		}
 

org.adempiere.base/src/org/compiere/util/CCache.java

@@ -27,7 +27,7 @@ import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicLong;
 
-import org.adempiere.base.Service;
+import org.adempiere.base.Core;
 import org.idempiere.distributed.ICacheService;
 
 /**
@@ -112,7 +112,7 @@ public class CCache<K,V> implements CacheInterface, Map<K, V>, Serializable
 		cache = CacheMgt.get().register(this, distributed);
 		m_distributed = distributed;
 		if (distributed) {
-			ICacheService provider = Service.locator().locate(ICacheService.class).getService();
+			ICacheService provider = Core.getCacheService();
 			if (provider != null) {
 				nullList = provider.getSet(name);
 			}

org.adempiere.base/src/org/compiere/util/CLogMgt.java

@@ -35,7 +35,7 @@ import java.util.logging.Level;
 import java.util.logging.LogManager;
 import java.util.logging.Logger;
 
-import org.adempiere.base.Service;
+import org.adempiere.base.Core;
 import org.compiere.Adempiere;
 import org.compiere.db.AdempiereDatabase;
 import org.compiere.db.CConnection;
@@ -561,7 +561,7 @@ public class CLogMgt
 		//
 		//cluster info
 		if (Env.getAD_Client_ID(Env.getCtx()) == 0) {
-			IClusterService service = Service.locator().locate(IClusterService.class).getService();
+			IClusterService service = Core.getClusterService();
 			if (service != null) {
 				IClusterMember local = service.getLocalMember();
 				Collection<IClusterMember> members = service.getMembers();				

org.adempiere.base/src/org/compiere/util/CacheInfo.java

@@ -37,8 +37,7 @@ import java.util.Map.Entry;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 
-import org.adempiere.base.IServiceHolder;
+import org.adempiere.base.Core;
-import org.adempiere.base.Service;
 import org.idempiere.distributed.IClusterMember;
 import org.idempiere.distributed.IClusterService;
 
@@ -157,8 +156,7 @@ public class CacheInfo implements Serializable {
 	 * @return cache infos
 	 */
 	public static List<CacheInfo> getCacheInfos(boolean sortByName) {
-		IServiceHolder<IClusterService> holder = Service.locator().locate(IClusterService.class);
+		IClusterService service = Core.getClusterService();
-		IClusterService service = holder != null ? holder.getService() : null;
 		if (service != null && service.getMembers().size() > 1) {
 			List<CacheInfo> instances = new ArrayList<>();
 			GetCacheInfoCallable callable = new GetCacheInfoCallable();

org.adempiere.base/src/org/compiere/util/CacheMgt.java

@@ -26,8 +26,7 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.logging.Level;
 
-import org.adempiere.base.IServiceHolder;
+import org.adempiere.base.Core;
-import org.adempiere.base.Service;
 import org.idempiere.distributed.ICacheService;
 import org.idempiere.distributed.IClusterMember;
 import org.idempiere.distributed.IClusterService;
@@ -107,10 +106,10 @@ public class CacheMgt
 		Map<K, V> map = null;
 		if (distributed) 
 		{
-			ICacheService provider = Service.locator().locate(ICacheService.class).getService();
+			ICacheService provider = Core.getCacheService();
 			if (provider != null)
 			{
-				IClusterService clusterService = Service.locator().locate(IClusterService.class).getService();
+				IClusterService clusterService = Core.getClusterService();
 				if (clusterService != null && !clusterService.isStandAlone())
 					map = provider.getMap(name);
 			}
@@ -162,8 +161,7 @@ public class CacheMgt
 	 * @return number of deleted cache entries
 	 */
 	private int clusterReset(String tableName, int recordId) {
-		IServiceHolder<IClusterService> holder = Service.locator().locate(IClusterService.class);
+		IClusterService service = Core.getClusterService();
-		IClusterService service = holder.getService();
 		if (service != null) {			
 			ResetCacheCallable callable = new ResetCacheCallable(tableName, recordId);
 			Map<IClusterMember, Future<Integer>> futureMap = service.execute(callable, service.getMembers());
@@ -203,8 +201,7 @@ public class CacheMgt
 	 * @return number of deleted cache entries
 	 */
 	private void clusterNewRecord(String tableName, int recordId) {
-		IServiceHolder<IClusterService> holder = Service.locator().locate(IClusterService.class);
+		IClusterService service = Core.getClusterService();
-		IClusterService service = holder.getService();
 		if (service != null) {			
 			CacheNewRecordCallable callable = new CacheNewRecordCallable(tableName, recordId);
 			if (service.execute(callable, service.getMembers()) == null) {

org.adempiere.base/src/org/compiere/util/DisplayType.java

@@ -64,9 +64,11 @@ import java.text.SimpleDateFormat;
 import java.util.Currency;
 import java.util.List;
 import java.util.Locale;
+import java.util.Optional;
 import java.util.logging.Level;
 
 import org.adempiere.base.IDisplayTypeFactory;
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.compiere.db.AdempiereDatabase;
 import org.compiere.db.Database;
@@ -214,10 +216,18 @@ public final class DisplayType
 			|| displayType == Image || displayType == Chart)
 			return true;
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			if(factory.isID(displayType))
+			IDisplayTypeFactory service = cache.getService();
-				return true;
+			if (service != null)
+				return service.isID(displayType);
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().isID(displayType))
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			return true;
 		}
 		
 		return false;
@@ -235,10 +245,18 @@ public final class DisplayType
 			|| displayType == Integer || displayType == Quantity)
 			return true;
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			if(factory.isNumeric(displayType))
+			IDisplayTypeFactory service = cache.getService();
-				return true;
+			if (service != null)
+				return service.isNumeric(displayType);
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().isNumeric(displayType))
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			return true;
 		}
 		
 		return false;
@@ -260,13 +278,22 @@ public final class DisplayType
 			|| displayType == Quantity)
 			return 4;
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			if(factory.getDefaultPrecision(displayType) != null)
+			IDisplayTypeFactory service = cache.getService();
-				return factory.getDefaultPrecision(displayType).intValue();
+			if (service != null) {
-				
+				Integer v = service.getDefaultPrecision(displayType);
+				return v != null ? v.intValue() : 0;
+			}
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().getDefaultPrecision(displayType) != null)
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			Integer v = found.get().getService().getDefaultPrecision(displayType);
+			return v != null ? v.intValue() : 0;
 		}
-		
 		return 0;
 	}	//	getDefaultPrecision
 
@@ -289,10 +316,18 @@ public final class DisplayType
 			|| displayType == ChosenMultipleSelectionSearch)
 			return true;
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			if(factory.isText(displayType))
+			IDisplayTypeFactory service = cache.getService();
-				return true;
+			if (service != null)
+				return service.isText(displayType);
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().isText(displayType))
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			return true;
 		}
 		return false;
 	}	//	isText
@@ -308,10 +343,18 @@ public final class DisplayType
 		if (displayType == Date || displayType == DateTime || displayType == Time)
 			return true;
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			if(factory.isDate(displayType))
+			IDisplayTypeFactory service = cache.getService();
-				return true;
+			if (service != null)
+				return service.isDate(displayType);
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().isDate(displayType))
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			return true;
 		}
 		
 		return false;
@@ -332,10 +375,18 @@ public final class DisplayType
 			|| displayType == ChosenMultipleSelectionList)
 			return true;
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			if(factory.isLookup(displayType))
+			IDisplayTypeFactory service = cache.getService();
-				return true;				
+			if (service != null)
+				return service.isLookup(displayType);
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().isLookup(displayType))
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			return true;
 		}
 		
 		return false;
@@ -352,10 +403,18 @@ public final class DisplayType
 			|| displayType == TextLong)
 			return true;
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			if(factory.isLOB(displayType))
+			IDisplayTypeFactory service = cache.getService();
-				return true;				
+			if (service != null)
+				return service.isLOB(displayType);
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().isLOB(displayType))
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			return true;
 		}
 		
 		return false;
@@ -415,13 +474,22 @@ public final class DisplayType
 		}
 		else
 		{
-			List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+			IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-			for(IDisplayTypeFactory factory : factoryList){
+			if (cache != null) {
-				DecimalFormat osgiFormat = factory.getNumberFormat(displayType, myLanguage, pattern);
+				IDisplayTypeFactory service = cache.getService();
-				if(osgiFormat!=null){
+				if (service != null) {
-					return osgiFormat;
+					DecimalFormat f = service.getNumberFormat(displayType, language, pattern);
+					if (f != null)
+						return f;
 				}
 			}
+			Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+						.filter(e -> e.getService() != null && e.getService().getNumberFormat(displayType, language, pattern) != null)
+						.findFirst();
+			if (found.isPresent()) {
+				s_displayTypeFactoryCache.put(displayType, found.get());
+				return found.get().getService().getNumberFormat(displayType, language, pattern);
+			}
 			
 			format.setMaximumIntegerDigits(MAX_DIGITS);
 			format.setMaximumFractionDigits(MAX_FRACTION);
@@ -530,11 +598,21 @@ public final class DisplayType
 		}
 
 		else {
-			List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+			IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-			for(IDisplayTypeFactory factory : factoryList){
+			if (cache != null) {
-				SimpleDateFormat osgiFormat = factory.getDateFormat(displayType, myLanguage, pattern);
+				IDisplayTypeFactory service = cache.getService();
-				if(osgiFormat!=null)
+				if (service != null) {
-					return osgiFormat;
+					SimpleDateFormat v = service.getDateFormat(displayType, language, pattern);
+					if (v != null)
+						return v;
+				}
+			}
+			Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+						.filter(e -> e.getService() != null && e.getService().getDateFormat(displayType, language, pattern) != null)
+						.findFirst();
+			if (found.isPresent()) {
+				s_displayTypeFactoryCache.put(displayType, found.get());
+				return found.get().getService().getDateFormat(displayType, language, pattern);
 			}
 		}
 
@@ -593,11 +671,21 @@ public final class DisplayType
 			return byte[].class;
 		else
 		{
-			List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+			IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-			for(IDisplayTypeFactory factory : factoryList){
+			if (cache != null) {
-				Class<?> osgiClass = factory.getClass(displayType, yesNoAsBoolean); 
+				IDisplayTypeFactory service = cache.getService();
-				if(osgiClass!=null)
+				if (service != null) {
-					return osgiClass;
+					Class<?> v = service.getClass(displayType, yesNoAsBoolean);
+					if (v != null)
+						return v;
+				}
+			}
+			Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+						.filter(e -> e.getService() != null && e.getService().getClass(displayType, yesNoAsBoolean) != null)
+						.findFirst();
+			if (found.isPresent()) {
+				s_displayTypeFactoryCache.put(displayType, found.get());
+				return found.get().getService().getClass(displayType, yesNoAsBoolean);
 			}
 		}
 		//
@@ -672,11 +760,21 @@ public final class DisplayType
 				return getDatabase().getCharacterDataType()+"(" + fieldLength + ")";
 		}
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			String osgiSQLDataType = factory.getSQLDataType(displayType, columnName, fieldLength);
+			IDisplayTypeFactory service = cache.getService();
-			if(osgiSQLDataType!=null)
+			if (service != null) {
-				return osgiSQLDataType;
+				String v = service.getSQLDataType(displayType, columnName, fieldLength);
+				if (v != null)
+					return v;
+			}
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().getSQLDataType(displayType, columnName, fieldLength) != null)
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			return found.get().getService().getSQLDataType(displayType, columnName, fieldLength);
 		}
 		
 		if (!DisplayType.isText(displayType))
@@ -764,11 +862,21 @@ public final class DisplayType
 		if (displayType == Chart)
 			return "Chart";
 		
-		List<IDisplayTypeFactory> factoryList = Service.locator().list(IDisplayTypeFactory.class).getServices();
+		IServiceReferenceHolder<IDisplayTypeFactory> cache = s_displayTypeFactoryCache.get(displayType);
-		for(IDisplayTypeFactory factory : factoryList){
+		if (cache != null) {
-			String osgiDescription = factory.getDescription(displayType);
+			IDisplayTypeFactory service = cache.getService();
-			if(osgiDescription!=null)
+			if (service != null) {
-				return osgiDescription;
+				String v = service.getDescription(displayType);
+				if (v != null)
+					return v;
+			}
+		}
+		Optional<IServiceReferenceHolder<IDisplayTypeFactory>> found = getDisplayTypeFactories().stream()
+					.filter(e -> e.getService() != null && e.getService().getDescription(displayType) != null)
+					.findFirst();
+		if (found.isPresent()) {
+			s_displayTypeFactoryCache.put(displayType, found.get());
+			return found.get().getService().getDescription(displayType);
 		}
 		
 		//
@@ -791,4 +899,9 @@ public final class DisplayType
 	}   //  getCurrencyFormat
 
 
+	private final static CCache<Integer, IServiceReferenceHolder<IDisplayTypeFactory>> s_displayTypeFactoryCache = new CCache<>(null, "IDisplayTypeFactory", 100, false);
+	
+	private static List<IServiceReferenceHolder<IDisplayTypeFactory>> getDisplayTypeFactories() {
+		 return Service.locator().list(IDisplayTypeFactory.class).getServiceReferences();
+	}
 }	//	DisplayType

org.adempiere.pipo/OSGI-INF/dictionaryservice.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="org.adempiere.pipo.srv.PipoDictionaryService">
+<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" immediate="true" name="org.adempiere.pipo.srv.PipoDictionaryService">
    <implementation class="org.adempiere.pipo.srv.PipoDictionaryService"/>
    <service>
       <provide interface="org.adempiere.base.IDictionaryService"/>

org.adempiere.plugin.utils/src/org/adempiere/plugin/utils/AbstractActivator.java

@@ -18,8 +18,8 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.logging.Level;
 
+import org.adempiere.base.Core;
 import org.adempiere.base.IDictionaryService;
-import org.adempiere.base.Service;
 import org.adempiere.util.IProcessUI;
 import org.compiere.model.MClient;
 import org.compiere.model.MSysConfig;
@@ -93,9 +93,8 @@ public abstract class AbstractActivator implements BundleActivator, ServiceTrack
 		boolean success = false;
 
 		if (!installedPackage(version)) {
-			List<IDictionaryService> list = Service.locator().list(IDictionaryService.class).getServices();
+			IDictionaryService ids = Core.getDictionaryService();
-			if (list != null) {
+			if (ids != null) {
-				IDictionaryService ids = list.get(0);
 				ids.merge(null, zipfile);
 				success = true;
 				if (ids.getAD_Package_Imp_Proc() != null) {

org.adempiere.report.jasper/src/org/adempiere/report/jasper/JRViewerProvider.java

@@ -1,3 +1,30 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ * - carlos															   *
+ * - deepak															   *
+ * - thomas															   *
+ **********************************************************************/
 package org.adempiere.report.jasper;
 
 import org.compiere.model.PrintInfo;
@@ -5,11 +32,29 @@ import org.compiere.model.PrintInfo;
 import net.sf.jasperreports.engine.JRException;
 import net.sf.jasperreports.engine.JasperPrint;
 
+/**
+ * 
+ * @author hengsin
+ *
+ */
 public interface JRViewerProvider {
 
+	/**
+	 * 
+	 * @param jasperPrint
+	 * @param title
+	 * @param printInfo
+	 * @throws JRException
+	 */
 	public void openViewer(JasperPrint jasperPrint, String title, PrintInfo printInfo) throws JRException;
 
-	default void openViewer(JasperPrint jasperPrint, String title) throws JRException {
+	/**
+	 * 
+	 * @param jasperPrint
+	 * @param title
+	 * @throws JRException
+	 */
+	public default void openViewer(JasperPrint jasperPrint, String title) throws JRException {
 		openViewer(jasperPrint, title, null);
 	}
 

org.adempiere.report.jasper/src/org/adempiere/report/jasper/JRViewerProviderList.java

@@ -1,3 +1,28 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - carlos															   *
+ * - deepak                         								   *
+ **********************************************************************/
 package org.adempiere.report.jasper;
 
 import java.util.List;
@@ -7,11 +32,23 @@ import org.compiere.model.PrintInfo;
 import net.sf.jasperreports.engine.JRException;
 import net.sf.jasperreports.engine.JasperPrint;
 
+/**
+ * 
+ * @author carlos
+ *
+ */
 public interface JRViewerProviderList {
 
+	/**
+	 * 
+	 * @param jasperPrintList
+	 * @param title
+	 * @param printInfo
+	 * @throws JRException
+	 */
 	public void openViewer(List<JasperPrint> jasperPrintList, String title, PrintInfo printInfo) throws JRException;
 
-	default void openViewer(List<JasperPrint> jasperPrintList, String title) throws JRException {
+	public default void openViewer(List<JasperPrint> jasperPrintList, String title) throws JRException {
 		openViewer(jasperPrintList, title, null);
 	}
 

org.adempiere.report.jasper/src/org/adempiere/report/jasper/ReportStarter.java

@@ -50,6 +50,7 @@ import javax.print.attribute.PrintRequestAttributeSet;
 import javax.print.attribute.standard.Copies;
 import javax.print.attribute.standard.JobName;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.exceptions.AdempiereException;
 import org.adempiere.exceptions.DBException;
@@ -755,7 +756,7 @@ public class ReportStarter implements ProcessCall, ClientProcess
 							printInfo = new PrintInfo(pi);
 						if (reportPathList.length == 1) {
 		                    if (log.isLoggable(Level.INFO)) log.info( "ReportStarter.startProcess run report -"+jasperPrint.getName());
-		                    JRViewerProvider viewerLauncher = Service.locator().locate(JRViewerProvider.class).getService();
+		                    JRViewerProvider viewerLauncher = getViewerProvider();
 		                    if (!Util.isEmpty(processInfo.getReportType())) {
 		                    	jasperPrint.setProperty("IDEMPIERE_REPORT_TYPE", processInfo.getReportType());
 		                    }
@@ -763,7 +764,7 @@ public class ReportStarter implements ProcessCall, ClientProcess
 	                	} else {
 	                		jasperPrintList.add(jasperPrint);
 	                		if (idx+1 == reportPathList.length) {
-			                    JRViewerProviderList viewerLauncher = Service.locator().locate(JRViewerProviderList.class).getService();
+			                    JRViewerProviderList viewerLauncher = getViewerProviderList();
 			                    if (viewerLauncher == null) {
 			                    	throw new AdempiereException("Can not find a viewer provider for multiple jaspers");
 			                    }
@@ -886,7 +887,49 @@ public class ReportStarter implements ProcessCall, ClientProcess
         reportResult( AD_PInstance_ID, null, trxName);
         pi.setSummary(Msg.getMsg(Env.getCtx(), "Success"), false);
         return true;
-    }	
+    }
+
+    private static IServiceReferenceHolder<JRViewerProviderList> s_viewerProviderListReference = null;
+    
+    /**
+     * 
+     * @return {@link JRViewerProviderList}
+     */
+	public static synchronized JRViewerProviderList getViewerProviderList() {
+		JRViewerProviderList viewerLauncher = null;
+		if (s_viewerProviderListReference != null) {
+			viewerLauncher = s_viewerProviderListReference.getService();
+			if (viewerLauncher != null)
+				return viewerLauncher;
+		}
+		IServiceReferenceHolder<JRViewerProviderList> viewerReference = Service.locator().locate(JRViewerProviderList.class).getServiceReference();
+		if (viewerReference != null) {
+			viewerLauncher = viewerReference.getService();
+			s_viewerProviderListReference = viewerReference;
+		}
+		return viewerLauncher;
+	}
+
+	private static IServiceReferenceHolder<JRViewerProvider> s_viewerProviderReference = null;
+	
+	/**
+	 * 
+	 * @return {@link JRViewerProvider}
+	 */
+	public static synchronized JRViewerProvider getViewerProvider() {
+		JRViewerProvider viewerLauncher = null;
+		if (s_viewerProviderReference != null) {
+			viewerLauncher = s_viewerProviderReference.getService();
+			if (viewerLauncher != null)
+				return viewerLauncher;
+		}
+		IServiceReferenceHolder<JRViewerProvider> viewerReference = Service.locator().locate(JRViewerProvider.class).getServiceReference();
+		if (viewerReference != null) {
+			viewerLauncher = viewerReference.getService();
+			s_viewerProviderReference = viewerReference;
+		}
+		return viewerLauncher;
+	}	
 	
     private String makePrefix(String name) {
 		StringBuilder prefix = new StringBuilder();

org.adempiere.server/src/main/server/org/compiere/server/AdempiereServerMgr.java

@@ -27,7 +27,7 @@ import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 
-import org.adempiere.base.IServiceHolder;
+import org.adempiere.base.Core;
 import org.adempiere.base.Service;
 import org.adempiere.server.AdempiereServerActivator;
 import org.adempiere.server.IServerFactory;
@@ -142,7 +142,7 @@ public class AdempiereServerMgr implements ServiceTrackerCustomizer<IServerFacto
 		if (clusterId != null) {
 			Map<String, String> map = getServerOwnerMap();
 			if (map != null) {
-				ICacheService cacheService = getCacheService();
+				ICacheService cacheService = Core.getCacheService();
 				try {
 					String reloadLockKey = "cluster.server.owner.map.reload";
 					if (cacheService.tryLock(map, reloadLockKey, 30, TimeUnit.SECONDS)) {
@@ -200,7 +200,7 @@ public class AdempiereServerMgr implements ServiceTrackerCustomizer<IServerFacto
 						if (clusterId != null) {
 							Map<String, String> map = getServerOwnerMap();
 							if (map != null) {
-								ICacheService cacheService = getCacheService();
+								ICacheService cacheService = Core.getCacheService();
 								try {
 									if (cacheService.tryLock(map, server.getServerID(), 30, TimeUnit.SECONDS)) {
 										try {
@@ -257,7 +257,7 @@ public class AdempiereServerMgr implements ServiceTrackerCustomizer<IServerFacto
 							if (clusterId != null) {
 								Map<String, String> map = getServerOwnerMap();
 								if (map != null) {
-									ICacheService cacheService = getCacheService();
+									ICacheService cacheService = Core.getCacheService();
 									try {
 										if (cacheService.tryLock(map, server.getServerID(), 30, TimeUnit.SECONDS)) {
 											try {
@@ -853,14 +853,8 @@ public class AdempiereServerMgr implements ServiceTrackerCustomizer<IServerFacto
 		return null;
 	}
 	
-	private ICacheService getCacheService( ) {
-		IServiceHolder<ICacheService> holder = Service.locator().locate(ICacheService.class);
-		ICacheService service = holder != null ? holder.getService() : null;
-		return service;
-	}
-	
 	private Map<String, String> getServerOwnerMap() {
-		ICacheService service = getCacheService();
+		ICacheService service = Core.getCacheService();
 		if (service != null) {
 			return service.getMap("cluster.server.owner.map");
 		}

org.adempiere.server/src/main/server/org/idempiere/server/cluster/ClusterServerMgr.java

@@ -36,8 +36,7 @@ import java.util.Set;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 
-import org.adempiere.base.IServiceHolder;
+import org.adempiere.base.Core;
-import org.adempiere.base.Service;
 import org.compiere.Adempiere;
 import org.compiere.model.MScheduler;
 import org.compiere.server.IServerManager;
@@ -84,9 +83,7 @@ public class ClusterServerMgr implements IServerManager {
 	 * @return cluster service
 	 */
 	public static IClusterService getClusterService() {
-		IServiceHolder<IClusterService> holder = Service.locator().locate(IClusterService.class);
+		return Core.getClusterService();
-		IClusterService service = holder != null ? holder.getService() : null;
-		return service;
 	}
 	
 	/**

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/Extensions.java

@@ -20,13 +20,25 @@
  *****************************************************************************/
 package org.adempiere.webui;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.base.ServiceQuery;
 import org.adempiere.webui.apps.IProcessParameterListener;
+import org.adempiere.webui.apps.graph.IChartRendererService;
+import org.adempiere.webui.factory.IDashboardGadgetFactory;
 import org.adempiere.webui.factory.IFormFactory;
 import org.adempiere.webui.panel.ADForm;
+import org.compiere.grid.ICreateFrom;
+import org.compiere.grid.ICreateFromFactory;
+import org.compiere.grid.IPaymentForm;
+import org.compiere.grid.IPaymentFormFactory;
+import org.compiere.model.GridTab;
+import org.compiere.util.CCache;
+import org.zkoss.zk.ui.Component;
 
 /**
  *
@@ -36,23 +48,42 @@ import org.adempiere.webui.panel.ADForm;
  */
 public class Extensions {
 
+	private final static CCache<String, IServiceReferenceHolder<IFormFactory>> s_formFactoryCache = new CCache<>(null, "IFormFactory", 100, false);
+	
 	/**
 	 *
 	 * @param formId Java class name or equinox extension Id
 	 * @return IFormController instance or null if formId not found
 	 */
 	public static ADForm getForm(String formId) {
-		List<IFormFactory> factories = Service.locator().list(IFormFactory.class).getServices();
+		IServiceReferenceHolder<IFormFactory> cache = s_formFactoryCache.get(formId);
-		if (factories != null) {
+		if (cache != null) {
-			for(IFormFactory factory : factories) {
+			IFormFactory service = cache.getService();
-				ADForm form = factory.newFormInstance(formId);
+			if (service != null) {
+				ADForm form = service.newFormInstance(formId);
 				if (form != null)
 					return form;
 			}
+			s_formFactoryCache.remove(formId);
+		}
+		List<IServiceReferenceHolder<IFormFactory>> factories = Service.locator().list(IFormFactory.class).getServiceReferences();
+		if (factories != null) {
+			for(IServiceReferenceHolder<IFormFactory> factory : factories) {
+				IFormFactory service = factory.getService();
+				if (service != null) {
+					ADForm form = service.newFormInstance(formId);
+					if (form != null) {
+						s_formFactoryCache.put(formId, factory);
+						return form;
+					}
+				}
+			}
 		}
 		return null;
 	}
 	
+	private final static CCache<String, List<IServiceReferenceHolder<IProcessParameterListener>>> s_processParameterListenerCache = new CCache<>(null, "List<IProcessParameterListener>", 100, false);
+	
 	/**
 	 * 
 	 * @param processClass
@@ -60,10 +91,133 @@ public class Extensions {
 	 * @return list of parameter listener
 	 */
 	public static List<IProcessParameterListener> getProcessParameterListeners(String processClass, String columnName) {
+		String cacheKey = processClass + "|" + columnName;
+		List<IServiceReferenceHolder<IProcessParameterListener>> listeners = s_processParameterListenerCache.get(cacheKey);
+		if (listeners != null)
+			return listeners.stream().filter(e -> e.getService() != null).map(e -> e.getService()).collect(Collectors.toCollection(ArrayList::new));
+		
 		ServiceQuery query = new ServiceQuery();
 		query.put("ProcessClass", processClass);
 		if (columnName != null)
 			query.put("|(ColumnName", columnName+")(ColumnName="+columnName+",*)(ColumnName="+"*,"+columnName+",*)(ColumnName=*,"+columnName+")");
-		return Service.locator().list(IProcessParameterListener.class, null, query).getServices();
+		listeners = Service.locator().list(IProcessParameterListener.class, null, query).getServiceReferences();
+		if (listeners == null)
+			listeners = new ArrayList<>();
+		s_processParameterListenerCache.put(cacheKey, listeners);
+		return listeners.stream().filter(e -> e.getService() != null).map(e -> e.getService()).collect(Collectors.toCollection(ArrayList::new));
 	}
+	
+	private final static CCache<String, IServiceReferenceHolder<ICreateFromFactory>> s_createFromFactoryCache = new CCache<>(null, "ICreateFromFactory", 100, false);
+	
+	/**
+	 * 
+	 * @param mTab
+	 * @return ICreateFrom instance
+	 */
+	public static ICreateFrom getCreateFrom(GridTab mTab) {
+		ICreateFrom createFrom = null;
+		String cacheKey = Integer.toString(mTab.getAD_Tab_ID());
+		IServiceReferenceHolder<ICreateFromFactory> cache = s_createFromFactoryCache.get(cacheKey);
+		if (cache != null) {
+			ICreateFromFactory service = cache.getService();
+			if (service != null) {
+				createFrom = service.create(mTab);
+				if (createFrom != null) {
+					return createFrom;
+				}
+			}
+			s_createFromFactoryCache.remove(cacheKey);
+		}
+		
+		List<IServiceReferenceHolder<ICreateFromFactory>> factories = Service.locator().list(ICreateFromFactory.class).getServiceReferences();
+		for (IServiceReferenceHolder<ICreateFromFactory> factory : factories) 
+		{
+			ICreateFromFactory service = factory.getService();
+			if (service != null) {
+				createFrom = service.create(mTab);
+				if (createFrom != null) {
+					s_createFromFactoryCache.put(cacheKey, factory);
+					return createFrom;
+				}
+			}
+		}
+		
+		return null;
+	}
+	
+	private static final CCache<String, IServiceReferenceHolder<IPaymentFormFactory>> s_paymentFormFactoryCache = new CCache<>(null, "IPaymentFormFactory", 100, false);
+	/**
+	 * 
+	 * @param windowNo
+	 * @param mTab
+	 * @param paymentRule
+	 * @return IPaymentForm instance
+	 */
+	public static IPaymentForm getPaymentForm(int windowNo, GridTab mTab, String paymentRule) {
+		String cacheKey = mTab.getAD_Tab_ID() + "|" + paymentRule;
+		IServiceReferenceHolder<IPaymentFormFactory> cache = s_paymentFormFactoryCache.get(cacheKey);
+		if (cache != null)  {
+			IPaymentFormFactory service = cache.getService();
+			if (service != null) {
+				IPaymentForm paymentForm = service.create(windowNo, mTab, paymentRule);
+				if (paymentForm != null)
+					return paymentForm;
+			}
+			s_paymentFormFactoryCache.remove(cacheKey);
+		}
+		IPaymentForm paymentForm = null;
+		List<IServiceReferenceHolder<IPaymentFormFactory>> factories = Service.locator().list(IPaymentFormFactory.class).getServiceReferences();
+		for (IServiceReferenceHolder<IPaymentFormFactory> factory : factories) {
+			IPaymentFormFactory service = factory.getService();
+			if (service != null) {
+				paymentForm = service.create(windowNo, mTab, paymentRule);
+				if (paymentForm != null) {
+					s_paymentFormFactoryCache.put(cacheKey, factory);
+					return paymentForm;
+				}
+			}
+		}
+		return null;
+	}
+	
+	private static final CCache<String, IServiceReferenceHolder<IDashboardGadgetFactory>> s_dashboardGadgetFactoryCache = new CCache<>(null, "IDashboardGadgetFactory", 100, false);
+	
+	/**
+	 * 
+	 * @param url
+	 * @param parent
+	 * @return Gadget component
+	 */
+	public static final Component getDashboardGadget(String url, Component parent) {
+		IServiceReferenceHolder<IDashboardGadgetFactory> cache = s_dashboardGadgetFactoryCache.get(url);
+		if (cache != null) {
+			IDashboardGadgetFactory service = cache.getService();
+			if (service != null) {
+				Component component = service.getGadget(url,parent);
+	            if(component != null)
+	            	return component;
+			}
+			s_dashboardGadgetFactoryCache.remove(url);
+		}
+		
+		List<IServiceReferenceHolder<IDashboardGadgetFactory>> f = Service.locator().list(IDashboardGadgetFactory.class).getServiceReferences();
+        for (IServiceReferenceHolder<IDashboardGadgetFactory> factory : f) {
+        	IDashboardGadgetFactory service = factory.getService();
+        	if (service != null) {
+	        	Component component = service.getGadget(url,parent);
+	            if(component != null)
+	            	return component;
+        	}
+        }
+        
+        return null;
+	}
+	
+	/**
+	 * 
+	 * @return list of {@link IChartRendererService}
+	 */
+	public static final List<IChartRendererService> getChartRendererServices() {
+		return Service.locator().list(IChartRendererService.class).getServices();
+	}	
 }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/action/Actions.java

@@ -37,7 +37,7 @@ public class Actions {
 		synchronized (trackerCache) {
 			action = trackerCache.get(actionId);
 		} 
-		if (action != null)
+		if (action != null && action.getService() != null)
 			return action;
 		
 		action = Service.locator().locate(IAction.class, actionId, null);
@@ -57,7 +57,7 @@ public class Actions {
 		if (aImage != null)
 			return aImage;
 
-		IServiceHolder<IAction> action = Service.locator().locate(IAction.class, actionId, null);
+		IServiceHolder<IAction> action = getAction(actionId);
 		if (action.getService() != null) {
 			String path = ACTION_IMAGES_PATH + actionId + "24.png";
 			InputStream inputStream = action.getService().getClass().getClassLoader().getResourceAsStream(path);

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/IProcessParameterListener.java

@@ -16,7 +16,8 @@ package org.adempiere.webui.apps;
 import org.adempiere.webui.editor.WEditor;
 
 /**
- * Listener interface for process parameter panel
+ * Listener interface for process parameter panel.
+ * Implementation must be thread safe
  * @author hengsin
  *
  */

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/form/WCreateFromFactory.java

@@ -13,25 +13,24 @@
  *****************************************************************************/
 package org.adempiere.webui.apps.form;
 
-import java.util.List;
+import org.adempiere.webui.Extensions;
-
-import org.adempiere.base.Service;
 import org.compiere.grid.ICreateFrom;
-import org.compiere.grid.ICreateFromFactory;
 import org.compiere.model.GridTab;
 
+/**
+ * 
+ * @author hengsin
+ *
+ */
 public class WCreateFromFactory
 {
+	/**
+	 * 
+	 * @param mTab
+	 * @return ICreateFrom instance
+	 */
 	public static ICreateFrom create (GridTab mTab)
 	{
-		ICreateFrom createFrom = null;
+		return Extensions.getCreateFrom(mTab);
-		List<ICreateFromFactory> factories = Service.locator().list(ICreateFromFactory.class).getServices();
-		for (ICreateFromFactory factory : factories) 
-		{
-			createFrom = factory.create(mTab);
-			if (createFrom != null)
-				break;
-		}
-		return createFrom;
 	}
 }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/form/WPaymentFormFactory.java

@@ -13,11 +13,8 @@
  *****************************************************************************/
 package org.adempiere.webui.apps.form;
 
-import java.util.List;
+import org.adempiere.webui.Extensions;
-
-import org.adempiere.base.Service;
 import org.compiere.grid.IPaymentForm;
-import org.compiere.grid.IPaymentFormFactory;
 import org.compiere.model.GridTab;
 
 /**
@@ -27,15 +24,15 @@ import org.compiere.model.GridTab;
  */
 public class WPaymentFormFactory {
 
+	/**
+	 * 
+	 * @param windowNo
+	 * @param mTab
+	 * @param paymentRule
+	 * @return IPaymentForm instance
+	 */
 	public static IPaymentForm create(int windowNo, GridTab mTab, String paymentRule)
 	{
-		IPaymentForm paymentForm = null;
+		return Extensions.getPaymentForm(windowNo, mTab, paymentRule);
-		List<IPaymentFormFactory> factories = Service.locator().list(IPaymentFormFactory.class).getServices();
-		for (IPaymentFormFactory factory : factories) {
-			paymentForm = factory.create(windowNo, mTab, paymentRule);
-			if (paymentForm != null)
-				break;
-		}
-		return paymentForm;
 	}
 }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/graph/WGraph.java

@@ -22,8 +22,8 @@ import java.util.Collections;
 import java.util.List;
 
 import org.adempiere.apps.graph.GraphColumn;
-import org.adempiere.base.Service;
 import org.adempiere.webui.ClientInfo;
+import org.adempiere.webui.Extensions;
 import org.adempiere.webui.apps.AEnv;
 import org.adempiere.webui.apps.graph.model.GoalModel;
 import org.adempiere.webui.editor.WTableDirEditor;
@@ -277,7 +277,7 @@ public class WGraph extends Div implements IdSpace {
 		goalModel.xAxisLabel = m_xAxisLabel;
 		goalModel.yAxisLabel = m_yAxisLabel;
 		goalModel.zoomFactor = zoomFactor;
-		List<IChartRendererService> list = Service.locator().list(IChartRendererService.class).getServices();
+		List<IChartRendererService> list = Extensions.getChartRendererServices();
 		for (IChartRendererService renderer : list) {
 			if (renderer.renderPerformanceGraph(panel.getPanelchildren(), width, height, goalModel))
 				break;

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/graph/WPerformanceIndicator.java

@@ -18,7 +18,7 @@ import java.text.DecimalFormat;
 import java.util.List;
 import java.util.Map;
 
-import org.adempiere.base.Service;
+import org.adempiere.webui.Extensions;
 import org.adempiere.webui.apps.graph.model.IndicatorModel;
 import org.adempiere.webui.component.Panel;
 import org.adempiere.webui.theme.ThemeManager;
@@ -199,7 +199,7 @@ public class WPerformanceIndicator extends Panel implements EventListener<Event>
 		model.dialBackground = dialBackground;
 		model.needleColor = needleColor;
 		model.tickColor = tickColor;
-		List<IChartRendererService> list = Service.locator().list(IChartRendererService.class).getServices();
+		List<IChartRendererService> list = Extensions.getChartRendererServices();
 		for (IChartRendererService renderer : list) { 
 			if (renderer.renderPerformanceIndicator(this, chartWidth, chartHeight, model))
 				break;

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/dashboard/DPCalendar.java

@@ -26,7 +26,7 @@ import java.util.Map;
 import java.util.Properties;
 import java.util.logging.Level;
 
-import org.adempiere.base.Service;
+import org.adempiere.base.Core;
 import org.adempiere.base.event.AbstractEventHandler;
 import org.adempiere.base.event.EventManager;
 import org.adempiere.base.event.IEventTopics;
@@ -167,7 +167,7 @@ public class DPCalendar extends DashboardPanel implements EventListener<Event>,
 		
 		if (subscriber == null) {
 			subscriber = new TopicSubscriber();
-			IMessageService service = Service.locator().locate(IMessageService.class).getService();			
+			IMessageService service = Core.getMessageService();			
 			if (service != null) {
 				ITopic<Map<String,String>> topic = service.getTopic("onRequestChanged");
 				topic.subscribe(subscriber);
@@ -562,7 +562,7 @@ public class DPCalendar extends DashboardPanel implements EventListener<Event>,
 		
 		@Override
 		public void run() {
-			IMessageService service = Service.locator().locate(IMessageService.class).getService();			
+			IMessageService service = Core.getMessageService();			
 			if (service != null) {
 				ITopic<Map<String,String>> topic = service.getTopic(ON_REQUEST_CHANGED_TOPIC);				
 				topic.publish(message);

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/dashboard/DPRecentItems.java

@@ -16,7 +16,7 @@ package org.adempiere.webui.dashboard;
 import java.lang.ref.WeakReference;
 import java.util.List;
 
-import org.adempiere.base.Service;
+import org.adempiere.base.Core;
 import org.adempiere.base.event.EventManager;
 import org.adempiere.webui.component.ToolBarButton;
 import org.adempiere.webui.session.SessionManager;
@@ -154,7 +154,7 @@ public class DPRecentItems extends DashboardPanel implements EventListener<Event
 	private static synchronized void createTopicSubscriber() {
 		if (topicSubscriber == null) {
 			topicSubscriber = new TopicSubscriber();
-			IMessageService service = Service.locator().locate(IMessageService.class).getService();
+			IMessageService service = Core.getMessageService();
 			if (service != null) {
 				ITopic<Integer> topic = service.getTopic(MRecentItem.ON_RECENT_ITEM_CHANGED_TOPIC);
 				topic.subscribe(topicSubscriber);

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/dashboard/DPRunningJobs.java

@@ -17,7 +17,7 @@ package org.adempiere.webui.dashboard;
 import java.lang.ref.WeakReference;
 import java.util.List;
 
-import org.adempiere.base.Service;
+import org.adempiere.base.Core;
 import org.adempiere.base.event.EventManager;
 import org.adempiere.webui.apps.AEnv;
 import org.adempiere.webui.component.ToolBarButton;
@@ -126,7 +126,7 @@ public class DPRunningJobs extends DashboardPanel implements EventListener<Event
 	{
 		if (topicSubscriber == null) {
 			topicSubscriber = new TopicSubscriber();
-			IMessageService service = Service.locator().locate(IMessageService.class).getService();
+			IMessageService service = Core.getMessageService();
 			if (service != null) {
 				ITopic<Integer> topic = service.getTopic(MPInstance.ON_RUNNING_JOB_CHANGED_TOPIC);
 				topic.subscribe(topicSubscriber);

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/desktop/DashboardController.java

@@ -26,9 +26,9 @@ import java.util.Map;
 import java.util.Properties;
 import java.util.logging.Level;
 
-import org.adempiere.base.Service;
 import org.adempiere.exceptions.AdempiereException;
 import org.adempiere.webui.ClientInfo;
+import org.adempiere.webui.Extensions;
 import org.adempiere.webui.apps.AEnv;
 import org.adempiere.webui.apps.graph.IChartRendererService;
 import org.adempiere.webui.apps.graph.WGraph;
@@ -37,7 +37,6 @@ import org.adempiere.webui.apps.graph.model.ChartModel;
 import org.adempiere.webui.component.ToolBarButton;
 import org.adempiere.webui.dashboard.DashboardPanel;
 import org.adempiere.webui.dashboard.DashboardRunnable;
-import org.adempiere.webui.factory.IDashboardGadgetFactory;
 import org.adempiere.webui.report.HTMLExtension;
 import org.adempiere.webui.session.SessionManager;
 import org.adempiere.webui.theme.ThemeManager;
@@ -472,14 +471,7 @@ public class DashboardController implements EventListener<Event> {
     	{
         	try {
         		
-                Component component = null;
+                Component component = Extensions.getDashboardGadget(url, content);                
-                List<IDashboardGadgetFactory> f = Service.locator().list(IDashboardGadgetFactory.class).getServices();
-                for (IDashboardGadgetFactory factory : f) {
-                        component = factory.getGadget(url.toString(),content);
-                        if(component != null)
-                                break;
-                }
-                
                 if(component != null)
                 {
                 	if (component instanceof Include)
@@ -528,11 +520,7 @@ public class DashboardController implements EventListener<Event> {
 	        		chartPanel.getChildren().clear();
 	        		ChartModel model = new ChartModel();
 	        		model.chart = chartModel;
-	        		List<IChartRendererService> list = Service.locator().list(IChartRendererService.class).getServices();
+	        		renderChart(chartPanel, width, height, model);
-	        		for (IChartRendererService renderer : list) {
-	        			if (renderer.renderChart(chartPanel, width, height, model))
-	        				break;
-	        		}
 				}
 			});
     	}
@@ -967,4 +955,12 @@ public class DashboardController implements EventListener<Event> {
         	}
 		}			
 	}
+
+	private void renderChart(final Div chartPanel, int width, int height, ChartModel model) {
+		List<IChartRendererService> list = Extensions.getChartRendererServices();
+		for (IChartRendererService renderer : list) {
+			if (renderer.renderChart(chartPanel, width, height, model))
+				break;
+		}
+	}
 }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WChartEditor.java

@@ -16,7 +16,7 @@ package org.adempiere.webui.editor;
 
 import java.util.List;
 
-import org.adempiere.base.Service;
+import org.adempiere.webui.Extensions;
 import org.adempiere.webui.apps.graph.IChartRendererService;
 import org.adempiere.webui.apps.graph.model.ChartModel;
 import org.compiere.model.GridField;
@@ -66,7 +66,7 @@ public class WChartEditor extends WEditor
 	        chartDiv.getChildren().clear();
 	        ChartModel model = new ChartModel();
 	        model.chart = chartModel;
-	        List<IChartRendererService> list = Service.locator().list(IChartRendererService.class).getServices();
+	        List<IChartRendererService> list = Extensions.getChartRendererServices();
 			for (IChartRendererService renderer : list) {
 				if (renderer.renderChart(chartDiv, chartWidth, chartHeight, model))
 					break;
@@ -156,7 +156,7 @@ public class WChartEditor extends WEditor
     		chartDiv.getChildren().clear();
     		ChartModel model = new ChartModel();
     		model.chart = chartModel;
-    		List<IChartRendererService> list = Service.locator().list(IChartRendererService.class).getServices();
+    		List<IChartRendererService> list = Extensions.getChartRendererServices();
     		for (IChartRendererService renderer : list) {
     			if (renderer.renderChart(chartDiv, chartWidth, chartHeight, model))
     				break;

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WebEditorFactory.java

@@ -17,13 +17,16 @@
 
 package org.adempiere.webui.editor;
 
+import java.util.ArrayList;
 import java.util.List;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.webui.factory.IEditorFactory;
 import org.compiere.model.GridField;
 import org.compiere.model.GridTab;
-import org.compiere.util.CLogger;
+import org.compiere.util.CCache;
+import org.osgi.framework.Constants;
 
 /**
  *
@@ -36,29 +39,61 @@ import org.compiere.util.CLogger;
  */
 public class WebEditorFactory
 {
-
+    /**
-    @SuppressWarnings("unused")
+     * 
-	private final static CLogger logger;
+     * @param gridField
-
+     * @param tableEditor
-    static
+     * @return WEditor for GridField
-    {
+     */
-        logger = CLogger.getCLogger(WebEditorFactory.class);
-    }
-
     public static WEditor getEditor(GridField gridField, boolean tableEditor)
     {
     	return getEditor(gridField.getGridTab(), gridField, tableEditor);
     }
 
+    private static final CCache<Long, IServiceReferenceHolder<IEditorFactory>> s_editorFactoryCache = new CCache<>(null, "IEditorFactory", 10, false);
+    
+    /**
+     * 
+     * @param gridTab
+     * @param gridField
+     * @param tableEditor
+     * @return WEditor for GridField
+     */
     public static WEditor getEditor(GridTab gridTab, GridField gridField, boolean tableEditor)
     {
+    	List<Long> visitedIds = new ArrayList<Long>();
+		if (!s_editorFactoryCache.isEmpty()) {
+			Long[] keys = s_editorFactoryCache.keySet().toArray(new Long[0]);
+			for (Long key : keys) {
+				IServiceReferenceHolder<IEditorFactory> serviceReference = s_editorFactoryCache.get(key);
+				if (serviceReference != null) {
+					IEditorFactory service = serviceReference.getService();
+					if (service != null) {
+						visitedIds.add(key);
+						WEditor editor = service.getEditor(gridTab, gridField, tableEditor);
+			        	if (editor != null)
+			        		return editor;
+					} else {
+						s_editorFactoryCache.remove(key);
+					}
+				}
+			}
+		}
         WEditor editor = null;
-        List<IEditorFactory> factoryList = Service.locator().list(IEditorFactory.class).getServices();
+        List<IServiceReferenceHolder<IEditorFactory>> serviceReferences = Service.locator().list(IEditorFactory.class).getServiceReferences();
-        for(IEditorFactory factory : factoryList)
+        for(IServiceReferenceHolder<IEditorFactory> serviceReference : serviceReferences)
         {
-        	editor = factory.getEditor(gridTab, gridField, tableEditor);
+        	Long serviceId = (Long) serviceReference.getServiceReference().getProperty(Constants.SERVICE_ID);
-        	if (editor != null)
+			if (visitedIds.contains(serviceId))
-        		break;
+				continue;
+        	IEditorFactory service = serviceReference.getService();
+        	if (service != null)
+        	{
+        		s_editorFactoryCache.put(serviceId, serviceReference);
+	        	editor = service.getEditor(gridTab, gridField, tableEditor);
+	        	if (editor != null)
+	        		break;
+        	}
         }
         return editor;
     }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/factory/InfoManager.java

@@ -13,14 +13,18 @@
  *****************************************************************************/
 package org.adempiere.webui.factory;
 
+import java.util.ArrayList;
 import java.util.List;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.webui.info.InfoWindow;
 import org.adempiere.webui.panel.InfoPanel;
 import org.compiere.model.GridField;
 import org.compiere.model.Lookup;
 import org.compiere.model.MLookup;
+import org.compiere.util.CCache;
+import org.osgi.framework.Constants;
 
 /**
  *
@@ -29,23 +33,74 @@ import org.compiere.model.MLookup;
  */
 public class InfoManager
 {
+	private final static CCache<Long, IServiceReferenceHolder<IInfoFactory>> s_infoFactoryCache = new CCache<Long, IServiceReferenceHolder<IInfoFactory>>(null, "IInfoFactory", 10, false);
+	
+	/**
+	 * 
+	 * @param WindowNo
+	 * @param tableName
+	 * @param keyColumn
+	 * @param value
+	 * @param multiSelection
+	 * @param whereClause
+	 * @param lookup
+	 * @return {@link InfoPanel}
+	 */
 	public static InfoPanel create (int WindowNo,
             String tableName, String keyColumn, String value,
             boolean multiSelection, String whereClause, boolean lookup)
     {
-        InfoPanel info = null;
+		InfoPanel info = null;
-
+		
-		List<IInfoFactory> factoryList = Service.locator().list(IInfoFactory.class).getServices();
+		List<Long> visitedIds = new ArrayList<Long>();
-		for(IInfoFactory factory : factoryList)
+		if (!s_infoFactoryCache.isEmpty()) {
+			Long[] keys = s_infoFactoryCache.keySet().toArray(new Long[0]);
+			for (Long key : keys) {
+				IServiceReferenceHolder<IInfoFactory> serviceReference = s_infoFactoryCache.get(key);
+				if (serviceReference != null) {
+					IInfoFactory service = serviceReference.getService();
+					if (service != null) {
+						visitedIds.add(key);
+						info = service.create(WindowNo, tableName, keyColumn, value, multiSelection, whereClause, 0, lookup);
+						if (info != null)
+							return info;
+					} else {
+						s_infoFactoryCache.remove(key);
+					}
+				}
+			}
+		}
+		        
+		List<IServiceReferenceHolder<IInfoFactory>> serviceReferences = Service.locator().list(IInfoFactory.class).getServiceReferences();
+		for(IServiceReferenceHolder<IInfoFactory> serviceReference : serviceReferences)
 		{
-			info = factory.create(WindowNo, tableName, keyColumn, value, multiSelection, whereClause, 0, lookup);
+			Long serviceId = (Long) serviceReference.getServiceReference().getProperty(Constants.SERVICE_ID);
-			if (info != null)
+			if (visitedIds.contains(serviceId))
-				break;
+				continue;
+			IInfoFactory service = serviceReference.getService();
+			if (service != null)
+			{
+				s_infoFactoryCache.put(serviceId, serviceReference);
+				info = service.create(WindowNo, tableName, keyColumn, value, multiSelection, whereClause, 0, lookup);
+				if (info != null)
+					break;
+			}
 		}
         //
         return info;
     }
 
+	/**
+	 * 
+	 * @param lookup
+	 * @param field
+	 * @param tableName
+	 * @param keyColumn
+	 * @param queryValue
+	 * @param multiSelection
+	 * @param whereClause
+	 * @return {@link InfoPanel}
+	 */
 	public static InfoPanel create(Lookup lookup, GridField field, String tableName,
 			String keyColumn, String queryValue, boolean multiSelection,
 			String whereClause)
@@ -56,26 +111,86 @@ public class InfoManager
 		{
 			AD_InfoWindow_ID  = ((MLookup)lookup).getAD_InfoWindow_ID();
 		}
-		List<IInfoFactory> factoryList = Service.locator().list(IInfoFactory.class).getServices();
+		
-		for(IInfoFactory factory : factoryList)
+		List<Long> visitedIds = new ArrayList<Long>();
+		if (!s_infoFactoryCache.isEmpty()) {
+			Long[] keys = s_infoFactoryCache.keySet().toArray(new Long[0]);
+			for (Long key : keys) {
+				IServiceReferenceHolder<IInfoFactory> serviceReference = s_infoFactoryCache.get(key);
+				if (serviceReference != null) {
+					IInfoFactory service = serviceReference.getService();
+					if (service != null) {
+						visitedIds.add(key);
+						ip = service.create(lookup, field, tableName, keyColumn, queryValue, false, whereClause, AD_InfoWindow_ID);
+						if (ip != null)
+							return ip;
+					} else {
+						s_infoFactoryCache.remove(key);
+					}
+				}
+			}
+		}
+				
+		List<IServiceReferenceHolder<IInfoFactory>> serviceReferences = Service.locator().list(IInfoFactory.class).getServiceReferences();
+		for(IServiceReferenceHolder<IInfoFactory> serviceReference : serviceReferences)
 		{
-			ip = factory.create(lookup, field, tableName, keyColumn, queryValue, false, whereClause, AD_InfoWindow_ID);
+			Long serviceId = (Long) serviceReference.getServiceReference().getProperty(Constants.SERVICE_ID);
-			if (ip != null)
+			if (visitedIds.contains(serviceId))
-				break;
+				continue;
+			IInfoFactory service = serviceReference.getService();
+			if (service != null)
+			{
+				s_infoFactoryCache.put(serviceId, serviceReference);
+				ip = service.create(lookup, field, tableName, keyColumn, queryValue, false, whereClause, AD_InfoWindow_ID);
+				if (ip != null)
+					break;
+			}
 		}
 		return ip;
 	}
 	
+	/**
+	 * 
+	 * @param AD_InfoWindow_ID
+	 * @return {@link InfoWindow}
+	 */
 	public static InfoWindow create (int AD_InfoWindow_ID)
     {
         InfoWindow info = null;
 
-		List<IInfoFactory> factoryList = Service.locator().list(IInfoFactory.class).getServices();
+        List<Long> visitedIds = new ArrayList<Long>();
-		for(IInfoFactory factory : factoryList)
+		if (!s_infoFactoryCache.isEmpty()) {
+			Long[] keys = s_infoFactoryCache.keySet().toArray(new Long[0]);
+			for (Long key : keys) {
+				IServiceReferenceHolder<IInfoFactory> serviceReference = s_infoFactoryCache.get(key);
+				if (serviceReference != null) {
+					IInfoFactory service = serviceReference.getService();
+					if (service != null) {
+						visitedIds.add(key);
+						info = service.create(AD_InfoWindow_ID);
+						if (info != null)
+							return info;
+					} else {
+						s_infoFactoryCache.remove(key);
+					}
+				}
+			}
+		}
+		
+		List<IServiceReferenceHolder<IInfoFactory>> serviceReferences = Service.locator().list(IInfoFactory.class).getServiceReferences();
+		for(IServiceReferenceHolder<IInfoFactory> serviceReference : serviceReferences)
 		{
-			info = factory.create(AD_InfoWindow_ID);
+			Long serviceId = (Long) serviceReference.getServiceReference().getProperty(Constants.SERVICE_ID);
-			if (info != null)
+			if (visitedIds.contains(serviceId))
-				break;
+				continue;
+			IInfoFactory service = serviceReference.getService();
+			if (service != null)
+			{
+				s_infoFactoryCache.put(serviceId, serviceReference);
+				info = service.create(AD_InfoWindow_ID);
+				if (info != null)
+					break;
+			}
 		}
         //
         return info;

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/scheduler/ChangeStateAction.java

@@ -25,8 +25,7 @@
 **********************************************************************/
 package org.adempiere.webui.scheduler;
 
-import org.adempiere.base.IServiceHolder;
+import org.adempiere.base.Core;
-import org.adempiere.base.Service;
 import org.adempiere.util.Callback;
 import org.adempiere.webui.LayoutUtils;
 import org.adempiere.webui.action.IAction;
@@ -156,8 +155,7 @@ public class ChangeStateAction implements IAction, EventListener<Event> {
 
 	private IServerManager getServerMgr() {
 		IServerManager serverMgr = null;
-		IServiceHolder<IClusterService> holder = Service.locator().locate(IClusterService.class);
+		IClusterService service = Core.getClusterService();
-		IClusterService service = holder != null ? holder.getService() : null;
 		if (service != null)
 			serverMgr = ClusterServerMgr.getInstance();
 		else

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/scheduler/SchedulerStateEditor.java

@@ -25,8 +25,7 @@
 **********************************************************************/
 package org.adempiere.webui.scheduler;
 
-import org.adempiere.base.IServiceHolder;
+import org.adempiere.base.Core;
-import org.adempiere.base.Service;
 import org.adempiere.util.Callback;
 import org.adempiere.webui.adwindow.ADWindow;
 import org.adempiere.webui.component.Button;
@@ -329,8 +328,7 @@ public class SchedulerStateEditor extends WEditor {
 	
 	private IServerManager getServerMgr() {
 		IServerManager serverMgr = null;
-		IServiceHolder<IClusterService> holder = Service.locator().locate(IClusterService.class);
+		IClusterService service = Core.getClusterService();
-		IClusterService service = holder != null ? holder.getService() : null;
 		if (service != null)
 			serverMgr = ClusterServerMgr.getInstance();
 		else

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/util/FeedbackManager.java

@@ -15,6 +15,7 @@ package org.adempiere.webui.util;
 
 import javax.activation.DataSource;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.webui.ClientInfo;
 import org.adempiere.webui.factory.IFeedbackService;
@@ -52,9 +53,30 @@ public class FeedbackManager {
 	 */
 	public static void emailSupport(boolean errorOnly)
 	{
-		IFeedbackService service = Service.locator().locate(IFeedbackService.class).getService();
+		IFeedbackService service = getFeedbackService();
 		if (service != null)
 			service.emailSupport(errorOnly);
+	}
+
+	private static IServiceReferenceHolder<IFeedbackService> s_feedbackServiceReference = null;
+	
+	/**
+	 * 
+	 * @return {@link IFeedbackService}
+	 */
+	public static synchronized IFeedbackService getFeedbackService() {
+		IFeedbackService service = null;
+		if (s_feedbackServiceReference != null) {
+			service = s_feedbackServiceReference.getService();
+			if (service != null)
+				return service;
+		}
+		IServiceReferenceHolder<IFeedbackService> serviceReference = Service.locator().locate(IFeedbackService.class).getServiceReference();
+		if (serviceReference != null) {
+			service = serviceReference.getService();
+			s_feedbackServiceReference = serviceReference;
+		}
+		return service;
 	}	
 	
 	/**
@@ -62,7 +84,7 @@ public class FeedbackManager {
 	 */
 	public static void createNewRequest()
 	{
-		IFeedbackService service = Service.locator().locate(IFeedbackService.class).getService();
+		IFeedbackService service = getFeedbackService();
 		if (service != null)
 			service.createNewRequest();
 	}

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/ZkReportViewerProvider.java

@@ -31,6 +31,7 @@ import org.zkoss.zk.ui.Executions;
  */
 public class ZkReportViewerProvider implements ReportViewerProvider {
 	
+	@Override
 	public void openViewer(final ReportEngine report) {
 		// IDEMPIERE-2499
 		// detect ui thread by value of Executions.getCurrent(), not office method but work

org.adempiere.ui/src/org/compiere/apps/form/PayPrint.java

@@ -25,11 +25,9 @@ import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
-import java.util.List;
 import java.util.logging.Level;
 
-import org.adempiere.base.IPaymentExporterFactory;
+import org.adempiere.base.Core;
-import org.adempiere.base.Service;
 import org.compiere.model.MLookupFactory;
 import org.compiere.model.MLookupInfo;
 import org.compiere.model.MPaySelectionCheck;
@@ -252,15 +250,7 @@ public class PayPrint {
 		}
 		try
 		{
-			List<IPaymentExporterFactory> factories = Service.locator().list(IPaymentExporterFactory.class).getServices();
+			m_PaymentExport = Core.getPaymentExporter(m_PaymentExportClass);			
-			if (factories != null && !factories.isEmpty()) {
-				for(IPaymentExporterFactory factory : factories) {
-					m_PaymentExport = factory.newPaymentExporterInstance(m_PaymentExportClass);
-					if (m_PaymentExport != null)
-						break;
-				}
-			}
-			
 			if (m_PaymentExport == null)
 			{
 				Class<?> clazz = Class.forName (m_PaymentExportClass);

org.adempiere.ui/src/org/compiere/print/ReportCtl.java

@@ -31,6 +31,7 @@ import static org.compiere.model.SystemIDs.PROCESS_RPT_M_MOVEMENT;
 import java.util.Properties;
 import java.util.logging.Level;
 
+import org.adempiere.base.IServiceReferenceHolder;
 import org.adempiere.base.Service;
 import org.adempiere.exceptions.AdempiereException;
 import org.adempiere.util.IProcessUI;
@@ -463,8 +464,29 @@ public class ReportCtl
 	 */
 	public static void preview(ReportEngine re)
 	{
-		ReportViewerProvider viewer = Service.locator().locate(ReportViewerProvider.class).getService();
+		ReportViewerProvider viewer = getReportViewerProvider();
 		viewer.openViewer(re);
 	}
 
+	private static IServiceReferenceHolder<ReportViewerProvider> s_reportViewerProviderReference = null;
+	
+	/**
+	 * 
+	 * @return {@link ReportViewerProvider}
+	 */
+	public static synchronized ReportViewerProvider getReportViewerProvider() {
+		ReportViewerProvider viewer = null;
+		if (s_reportViewerProviderReference != null) {
+			viewer = s_reportViewerProviderReference.getService();
+			if (viewer != null)
+				return viewer;
+		}
+		IServiceReferenceHolder<ReportViewerProvider> viewerReference = Service.locator().locate(ReportViewerProvider.class).getServiceReference();
+		if (viewerReference != null) {
+			s_reportViewerProviderReference = viewerReference;
+			viewer = viewerReference.getService();
+		}
+		return viewer;
+	}
+
 }	//	ReportCtl

org.adempiere.ui/src/org/compiere/print/ReportViewerProvider.java

@@ -23,5 +23,9 @@ package org.compiere.print;
  *
  */
 public interface ReportViewerProvider {
+	/**
+	 * Open report viewer
+	 * @param re
+	 */
 	public void openViewer(ReportEngine re);
 }

org.compiere.db.oracle.provider/src/org/compiere/db/DB_Oracle.java

@@ -33,7 +33,6 @@ import java.sql.DriverManager;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.sql.Statement;
 import java.sql.Timestamp;
 import java.util.Properties;
 import java.util.Random;

org.idempiere.test/META-INF/MANIFEST.MF

@@ -16,5 +16,11 @@ Import-Package: org.junit.jupiter.api;version="5.6.0",
  org.junit.jupiter.params.aggregator;version="5.6.0",
  org.junit.jupiter.params.converter;version="5.6.0",
  org.junit.jupiter.params.provider;version="5.6.0",
- org.junit.jupiter.params.support;version="5.6.0"
+ org.junit.jupiter.params.support;version="5.6.0",
-Require-Bundle: org.adempiere.base;bundle-version="7.1.0"
+ org.osgi.framework;version="1.9.0"
+Require-Bundle: org.adempiere.base;bundle-version="7.1.0",
+ org.adempiere.base.callout;bundle-version="7.1.0",
+ org.adempiere.base.process;bundle-version="7.1.0",
+ org.adempiere.payment.processor;bundle-version="7.1.0"
+Bundle-ActivationPolicy: lazy
+Bundle-Activator: org.idempiere.test.TestActivator

org.idempiere.test/idempiere.unit.test.launch

@@ -480,9 +480,6 @@
         <setEntry value="org.hamcrest.core@default:default"/>
         <setEntry value="org.hamcrest.library@default:default"/>
         <setEntry value="org.hsqldb@default:default"/>
-        <setEntry value="org.jacoco.agent@default:default"/>
-        <setEntry value="org.jacoco.core@default:default"/>
-        <setEntry value="org.jacoco.report@default:default"/>
         <setEntry value="org.jaxen@default:default"/>
         <setEntry value="org.jcodings@default:default"/>
         <setEntry value="org.jdom2@default:default"/>
@@ -509,16 +506,11 @@
         <setEntry value="org.mortbay.jasper.apache-el@default:default"/>
         <setEntry value="org.mortbay.jasper.apache-jsp@default:default"/>
         <setEntry value="org.mozilla.javascript@default:default"/>
-        <setEntry value="org.objectweb.asm*7.0.0@default:default"/>
+        <setEntry value="org.objectweb.asm*7.3.1@default:default"/>
-        <setEntry value="org.objectweb.asm*7.2.0.v20191010-1910@default:default"/>
+        <setEntry value="org.objectweb.asm.commons*7.3.1@default:default"/>
-        <setEntry value="org.objectweb.asm.analysis@default:default"/>
+        <setEntry value="org.objectweb.asm.tree*7.3.1@default:default"/>
-        <setEntry value="org.objectweb.asm.commons*7.0.0@default:default"/>
-        <setEntry value="org.objectweb.asm.commons*7.2.0.v20191010-1910@default:default"/>
-        <setEntry value="org.objectweb.asm.tree*7.0.0@default:default"/>
-        <setEntry value="org.objectweb.asm.tree*7.2.0.v20191010-1910@default:default"/>
         <setEntry value="org.objectweb.asm.tree.analysis@default:default"/>
-        <setEntry value="org.objectweb.asm.util*7.0.0@default:default"/>
+        <setEntry value="org.objectweb.asm.util*7.3.1@default:default"/>
-        <setEntry value="org.objectweb.asm.util*7.2.0.v20191010-1910@default:default"/>
         <setEntry value="org.objenesis@default:default"/>
         <setEntry value="org.opentest4j@default:default"/>
         <setEntry value="org.passay@default:default"/>
@@ -547,7 +539,7 @@
         <setEntry value="org.adempiere.install@default:default"/>
         <setEntry value="org.adempiere.payment.processor@default:default"/>
         <setEntry value="org.adempiere.pipo.handlers@default:default"/>
-        <setEntry value="org.adempiere.pipo@default:default"/>
+        <setEntry value="org.adempiere.pipo@default:true"/>
         <setEntry value="org.adempiere.plugin.utils@default:default"/>
         <setEntry value="org.adempiere.report.jasper.library@default:false"/>
         <setEntry value="org.adempiere.report.jasper@default:default"/>

org.idempiere.test/src/org/idempiere/test/TestActivator.java

@@ -0,0 +1,48 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.idempiere.test;
+
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+
+/**
+ * @author hengsin
+ *
+ */
+public class TestActivator implements BundleActivator {
+
+	public static BundleContext context = null;
+	
+	@Override
+	public void start(BundleContext context) throws Exception {
+		TestActivator.context = context;
+	}
+
+	@Override
+	public void stop(BundleContext context) throws Exception {
+		TestActivator.context = null;
+	}
+
+}

org.idempiere.test/src/org/idempiere/test/performance/CacheTest.java

@@ -25,22 +25,99 @@
 package org.idempiere.test.performance;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.junit.jupiter.api.Assertions.fail;
 
+import java.math.BigDecimal;
+import java.net.URL;
+import java.sql.Timestamp;
+import java.util.List;
+import java.util.Optional;
+
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineFactory;
+
+import org.adempiere.base.Core;
+import org.adempiere.base.DefaultPaymentExporterFactory;
+import org.adempiere.base.IAddressValidationFactory;
+import org.adempiere.base.IBankStatementLoaderFactory;
+import org.adempiere.base.IBankStatementMatcherFactory;
+import org.adempiere.base.IColumnCallout;
+import org.adempiere.base.IDisplayTypeFactory;
+import org.adempiere.base.IPaymentExporterFactory;
+import org.adempiere.base.IReplenishFactory;
+import org.adempiere.base.IResourceFinder;
+import org.adempiere.base.LookupFactoryHelper;
+import org.adempiere.base.ServiceQuery;
+import org.adempiere.model.IAddressValidation;
+import org.adempiere.model.IShipmentProcessor;
+import org.adempiere.model.ITaxProvider;
+import org.adempiere.model.MShipperFacade;
+import org.adempiere.model.ProductPriceValidator;
+import org.compiere.acct.Doc;
+import org.compiere.acct.DocManager;
+import org.compiere.db.AdempiereDatabase;
+import org.compiere.db.Database;
+import org.compiere.impexp.BankStatementLoaderInterface;
+import org.compiere.impexp.BankStatementMatcherInterface;
+import org.compiere.impexp.OFXFileBankStatementLoader;
+import org.compiere.model.Callout;
+import org.compiere.model.GridFieldVO;
+import org.compiere.model.GridTabVO;
+import org.compiere.model.GridWindowVO;
+import org.compiere.model.IArchiveStore;
+import org.compiere.model.IAttachmentStore;
+import org.compiere.model.IImageStore;
 import org.compiere.model.I_AD_Table;
+import org.compiere.model.I_M_InventoryLine;
+import org.compiere.model.Lookup;
+import org.compiere.model.MAcctSchema;
+import org.compiere.model.MAddressValidation;
+import org.compiere.model.MBPartner;
+import org.compiere.model.MBankAccountProcessor;
+import org.compiere.model.MClientInfo;
 import org.compiere.model.MColumn;
+import org.compiere.model.MDocType;
+import org.compiere.model.MInvoice;
+import org.compiere.model.MInvoiceLine;
 import org.compiere.model.MOrder;
 import org.compiere.model.MProduct;
 import org.compiere.model.MRefTable;
+import org.compiere.model.MShipper;
+import org.compiere.model.MStorageProvider;
 import org.compiere.model.MTable;
+import org.compiere.model.MTaxProvider;
 import org.compiere.model.MWarehouse;
 import org.compiere.model.MZoomCondition;
+import org.compiere.model.ModelValidator;
+import org.compiere.model.PaymentProcessor;
+import org.compiere.model.StandardTaxProvider;
+import org.compiere.model.X_C_AddressValidationCfg;
+import org.compiere.model.X_C_TaxProviderCfg;
+import org.compiere.process.BPartnerValidate;
+import org.compiere.process.DocAction;
+import org.compiere.process.DocumentEngine;
+import org.compiere.process.ProcessCall;
+import org.compiere.process.ProcessInfo;
 import org.compiere.util.CCache;
 import org.compiere.util.CacheInterface;
 import org.compiere.util.CacheMgt;
+import org.compiere.util.DisplayType;
 import org.compiere.util.Env;
+import org.compiere.util.GenericPaymentExport;
+import org.compiere.util.PaymentExport;
+import org.compiere.util.ReplenishInterface;
+import org.compiere.util.TimeUtil;
+import org.compiere.wf.MWorkflow;
+import org.eevolution.model.CalloutBOM;
+import org.idempiere.fa.service.api.DepreciationFactoryLookupDTO;
+import org.idempiere.fa.service.api.IDepreciationMethod;
+import org.idempiere.fa.service.api.IDepreciationMethodFactory;
 import org.idempiere.test.AbstractTestCase;
+import org.idempiere.test.TestActivator;
 import org.junit.jupiter.api.Test;
 
 /**
@@ -77,22 +154,7 @@ public class CacheTest extends AbstractTestCase {
 		MTable table = MTable.get(Env.getCtx(), MOrder.Table_ID);
 		
 		//find table cache instance
-		@SuppressWarnings("rawtypes")
+		CCache<?, ?> tblCache = findByTableNameAndKey(MTable.Table_Name, MOrder.Table_ID);
-		CCache tblCache = null;
-		CacheInterface[] cis = CacheMgt.get().getInstancesAsArray();
-		for(CacheInterface ci : cis) {
-			if (ci instanceof CCache<?, ?>) {				
-				@SuppressWarnings("rawtypes")
-				CCache ccache = (CCache) ci;
-				if (ccache.getName().equals(ccache.getTableName()) && ccache.getTableName().equals(MTable.Table_Name)) {
-					if (ccache.containsKey(MOrder.Table_ID)) {
-						tblCache = ccache;
-						break;
-					}
-				}
-			}
-		}
-			
 		if (tblCache == null)
 			fail("Table cache instance missing");
 		
@@ -107,20 +169,7 @@ public class CacheTest extends AbstractTestCase {
 		table = MTable.get(Env.getCtx(), MWarehouse.Table_ID);		
 		MRefTable refTable = MRefTable.get(Env.getCtx(), 197);
 		
-		tblCache = null;
+		tblCache = findByTableNameAndKey(MTable.Table_Name, MWarehouse.Table_ID);
-		for(CacheInterface ci : cis) {
-			if (ci instanceof CCache<?, ?>) {				
-				@SuppressWarnings("rawtypes")
-				CCache ccache = (CCache) ci;
-				if (ccache.getName().equals(ccache.getTableName()) && ccache.getTableName().equals(MTable.Table_Name)) {
-					if (ccache.containsKey(MWarehouse.Table_ID)) {
-						tblCache = ccache;
-						break;
-					}
-				}
-			}
-		}
-			
 		if (tblCache == null)
 			fail("Table cache instance missing");
 		
@@ -129,28 +178,14 @@ public class CacheTest extends AbstractTestCase {
 		assertEquals(hit+1, tblCache.getHit());
 	}
 	
-	@SuppressWarnings({"unchecked", "rawtypes"})
+	@SuppressWarnings({"unchecked"})
 	@Test
 	public void testPOCacheAfterUpdate() {
 		int mulch = 137;
 		int oak = 123;
 		//init cache
 		MProduct p1 = MProduct.get(Env.getCtx(), mulch);
-		CCache<Integer, MProduct> pc = null;
+		CCache<Integer, MProduct> pc = (CCache<Integer, MProduct>) findByTableNameAndKey(MProduct.Table_Name, mulch);
-		CacheInterface[] cis = CacheMgt.get().getInstancesAsArray();
-		//find product cache instance
-		for(CacheInterface ci : cis) {
-			if (ci instanceof CCache<?, ?>) {				
-				CCache ccache = (CCache) ci;
-				if (ccache.getName().equals(ccache.getTableName()) && ccache.getTableName().equals(MProduct.Table_Name)) {
-					if (ccache.containsKey(mulch)) {
-						pc = ccache;
-						break;
-					}
-				}
-			}
-		}
-		
 		if (pc == null)
 			fail("Product cache instance missing");
 		
@@ -214,4 +249,455 @@ public class CacheTest extends AbstractTestCase {
 		
 		rollback();
 	}
+	
+	@Test
+	public void testServices() {
+		//IResourceFinder
+		TestActivator.context.registerService(IResourceFinder.class, new FakeResourceFinder(), null);
+		IResourceFinder resourceFinder = Core.getResourceFinder();
+		assertNotNull(resourceFinder, "Can't find resource finder service");
+		String cacheKey = FakeResourceFinder.class.getName();
+		URL url = Core.getResourceFinder().getResource(cacheKey);
+		assertNotNull(url);
+		String cacheName = "IResourceFinder";
+		CCache<?, ?> cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);		
+		long hit = cache.getHit();
+		url = Core.getResourceFinder().getResource(cacheKey);
+		assertNotNull(url);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IColumnCalloutFactory
+		List<IColumnCallout> callouts = Core.findCallout(I_M_InventoryLine.Table_Name, I_M_InventoryLine.COLUMNNAME_M_Product_ID);
+		assertTrue(callouts.size() > 0, "Can't find callouts for " + I_M_InventoryLine.Table_Name + ", " + I_M_InventoryLine.COLUMNNAME_M_Product_ID);		
+		cacheKey = I_M_InventoryLine.Table_Name + "." + I_M_InventoryLine.COLUMNNAME_M_Product_ID;
+		cacheName = "List<IColumnCalloutFactory>";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);		
+		hit = cache.getHit();
+		callouts = Core.findCallout(I_M_InventoryLine.Table_Name, I_M_InventoryLine.COLUMNNAME_M_Product_ID);
+		assertTrue(callouts.size() > 0, "Can't find callouts for " + I_M_InventoryLine.Table_Name + ", " + I_M_InventoryLine.COLUMNNAME_M_Product_ID);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected"); 
+		
+		//ICalloutFactory
+		cacheKey = CalloutBOM.class.getName() + "::" + "parent";
+		Callout callout = Core.getCallout(CalloutBOM.class.getName(), "parent");
+		assertNotNull(callout, "Can't find callout for " + cacheKey);
+		cacheName = "ICalloutFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		callout = Core.getCallout(CalloutBOM.class.getName(), "parent");
+		assertNotNull(callout, "Can't find callout for " + cacheKey);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IProcessFactory
+		cacheKey = BPartnerValidate.class.getName();
+		ProcessCall process = Core.getProcess(cacheKey);
+		assertNotNull(process, "Can't find process for " + cacheKey);
+		cacheName = "IProcessFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		process = Core.getProcess(cacheKey);
+		assertNotNull(process, "Can't find process for " + cacheKey);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+						
+		//IModelValidatorFactory
+		cacheKey = ProductPriceValidator.class.getName();
+		ModelValidator modelValidator = Core.getModelValidator(cacheKey);
+		assertNotNull(modelValidator, "Can't find model validator for " + cacheKey);
+		cacheName = "IModelValidatorFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		modelValidator = Core.getModelValidator(cacheKey);
+		assertNotNull(modelValidator, "Can't find model validator for " + cacheKey);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IKeyStore
+		assertNotNull(Core.getKeyStore(), "Can't find key store service");
+		//second call to check service reference cache is working
+		assertNotNull(Core.getKeyStore(), "Can't find key store service"); 
+		
+		//IPaymentProcessorFactory
+		int pp_payflowpro_id = 100;
+		MBankAccountProcessor bankAccountProcessor = MBankAccountProcessor.get(Env.getCtx(), pp_payflowpro_id, pp_payflowpro_id, getTrxName());
+		assertNotNull(bankAccountProcessor, "Can't load bank account processor for PP_PayFlowPro");
+		PaymentProcessor paymentProcessor = Core.getPaymentProcessor(bankAccountProcessor, null);
+		assertNotNull(paymentProcessor, "Can't load payment processor for PP_PayFlowPro");
+		cacheKey = "org.compiere.model.PP_PayFlowPro";
+		cacheName = "IPaymentProcessorFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		paymentProcessor = Core.getPaymentProcessor(bankAccountProcessor, null);
+		assertNotNull(paymentProcessor, "Can't load payment processor for PP_PayFlowPro");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IBankStatementLoaderFactory
+		TestActivator.context.registerService(IBankStatementLoaderFactory.class, new FakeBankStatementLoaderFactory(), null);
+		cacheKey = OFXFileBankStatementLoader.class.getName();
+		BankStatementLoaderInterface bankStatementLoader = Core.getBankStatementLoader(cacheKey);
+		assertNotNull(bankStatementLoader, "Can't find BankStatementLoader for " + cacheKey);
+		cacheName = "IBankStatementLoaderFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		bankStatementLoader = Core.getBankStatementLoader(cacheKey);
+		assertNotNull(bankStatementLoader, "Can't find BankStatementLoader for " + cacheKey);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IBankStatementMatcherFactory
+		TestActivator.context.registerService(IBankStatementMatcherFactory.class, new FakeBankStatementMatcherFactory(), null);
+		cacheKey = FakeBankStatementMatcherFactory.class.getName();
+		BankStatementMatcherInterface bankStatementMatcher = Core.getBankStatementMatcher(cacheKey);
+		assertNotNull(bankStatementMatcher, "Can't find bank statement matcher service");
+		cacheName = "IBankStatementMatcherFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		bankStatementMatcher = Core.getBankStatementMatcher(cacheKey);
+		assertNotNull(bankStatementMatcher, "Can't find bank statement matcher service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IShipmentProcessorFactory
+		int m_shipper_id=100;
+		MShipperFacade shipperFacade = new MShipperFacade(new MShipper(Env.getCtx(), m_shipper_id, getTrxName()));
+		cacheKey = shipperFacade.getShippingProcessorClass();
+		cacheName = "IShipmentProcessorFactory";
+		IShipmentProcessor shipmentProcessor = Core.getShipmentProcessor(shipperFacade);
+		assertNotNull(shipmentProcessor, "Can't find shipment processor");
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		shipmentProcessor = Core.getShipmentProcessor(shipperFacade);
+		assertNotNull(shipmentProcessor, "Can't find shipment processor");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IAddressValidationFactory
+		X_C_AddressValidationCfg cfg = new X_C_AddressValidationCfg(Env.getCtx(), 0, getTrxName());
+		cfg.setHostAddress("10.8.0.1");
+		cfg.setHostPort(433);
+		cfg.setName("Test Cfg");
+		cacheKey = FakeAddressValidationFactory.class.getName();
+		cfg.setAddressValidationClass(cacheKey);
+		cfg.saveEx();		
+		MAddressValidation addressValidation = new MAddressValidation(Env.getCtx(), 0, getTrxName());
+		addressValidation.setC_AddressValidationCfg_ID(cfg.get_ID());
+		addressValidation.setConnectionPassword("password");
+		addressValidation.setName("Test Address Validation");
+		addressValidation.setUserID("userid");
+		addressValidation.setSeqNo(10);
+		addressValidation.saveEx();		
+		TestActivator.context.registerService(IAddressValidationFactory.class, new FakeAddressValidationFactory(), null);
+		IAddressValidation addressValidationService = Core.getAddressValidation(addressValidation);
+		assertNotNull(addressValidationService, "Can't find address validation service");
+		cacheName = "IAddressValidationFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		addressValidationService = Core.getAddressValidation(addressValidation);
+		assertNotNull(addressValidationService, "Can't find address validation service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//ITaxProviderFactory
+		X_C_TaxProviderCfg taxProviderCfg = new X_C_TaxProviderCfg(Env.getCtx(), 0, getTrxName());
+		taxProviderCfg.setName("Standard Provider Configuration");
+		taxProviderCfg.setTaxProviderClass(StandardTaxProvider.class.getName());
+		taxProviderCfg.saveEx();
+		MTaxProvider taxProvider = new MTaxProvider(Env.getCtx(), 0, getTrxName());
+		taxProvider.setC_TaxProviderCfg_ID(taxProviderCfg.get_ID());
+		taxProvider.setName("Standard Provider");
+		taxProvider.saveEx();
+		ITaxProvider taxProviderService = Core.getTaxProvider(taxProvider);
+		assertNotNull(taxProviderService, "Can't find tax provider service");
+		cacheKey = StandardTaxProvider.class.getName();
+		cacheName = "ITaxProviderFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		taxProviderService = Core.getTaxProvider(taxProvider);
+		assertNotNull(taxProviderService, "Can't find tax provider service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IReplenishFactory
+		TestActivator.context.registerService(IReplenishFactory.class, new FakeReplenishFactory(), null);
+		cacheKey = FakeReplenishFactory.class.getName();
+		ReplenishInterface replenishService = Core.getReplenish(cacheKey);
+		assertNotNull(replenishService, "Can't find replenish service");
+		cacheName = "IReplenishFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		replenishService = Core.getReplenish(cacheKey);
+		assertNotNull(replenishService, "Can't find replenish service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//ScriptEngineFactory
+		TestActivator.context.registerService(ScriptEngineFactory.class, new FakeScriptEngineFactory(), null);
+		cacheKey = FakeScriptEngineFactory.class.getName();
+		ScriptEngine scriptEngine = Core.getScriptEngine(cacheKey);
+		assertNotNull(scriptEngine, "Can't find script engine service");
+		cacheName = "ScriptEngineFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		scriptEngine = Core.getScriptEngine(cacheKey);
+		assertNotNull(scriptEngine, "Can't find script engine service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IPaymentExporterFactory
+		TestActivator.context.registerService(IPaymentExporterFactory.class, new DefaultPaymentExporterFactory(), null);
+		cacheKey = GenericPaymentExport.class.getName();
+		PaymentExport paymentExportService = Core.getPaymentExporter(cacheKey);
+		assertNotNull(paymentExportService, "Can't find payment exporter service");
+		cacheName = "IPaymentExporterFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		paymentExportService = Core.getPaymentExporter(cacheKey);
+		assertNotNull(paymentExportService, "Can't find payment exporter service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IProductPricing
+		assertNotNull(Core.getProductPricing(), "Can't find product pricing service");
+		//second call to check service reference cache is working
+		assertNotNull(Core.getProductPricing(), "Can't find product pricing service");
+		
+		//IDepreciationMethodFactory
+		TestActivator.context.registerService(IDepreciationMethodFactory.class, new FakeDepreciationMethodFactory(), null);
+		cacheKey = FakeDepreciationMethodFactory.class.getName();
+		DepreciationFactoryLookupDTO dto = new DepreciationFactoryLookupDTO();
+		dto.depreciationType = cacheKey;
+		IDepreciationMethod depreciationMethod = Core.getDepreciationMethod(dto);
+		assertNotNull(depreciationMethod, "Can't find depreciation method service");
+		cacheName = "IDepreciationMethodFactory";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		depreciationMethod = Core.getDepreciationMethod(dto);
+		assertNotNull(depreciationMethod, "Can't find depreciation method service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IMessageService
+		assertNotNull(Core.getMessageService(), "Can't find message service");
+		//second call to check service reference cache is working
+		assertNotNull(Core.getMessageService(), "Can't find message service");
+		
+		//IClusterService
+		assertNotNull(Core.getClusterService(), "Can't find cluster service");
+		//second call to check service reference cache is working
+		assertNotNull(Core.getClusterService(), "Can't find cluster service");
+		
+		//ICacheService
+		assertNotNull(Core.getCacheService(), "Can't find cache service");
+		//second call to check service reference cache is working
+		assertNotNull(Core.getCacheService(), "Can't find cache service");
+		
+		//IDictionaryService
+		assertNotNull(Core.getDictionaryService(), "Can't find dictionary service");
+		//second call to check service reference cache is working
+		assertNotNull(Core.getDictionaryService(), "Can't find dictionary service");
+		
+		//ILookupFactory
+		int ad_window_id=143; //sales order window
+		int ad_tab_id=187; //sales order line
+		int ad_field_id=1127; //product
+		GridFieldVO gridField = null;
+		Lookup lookup = null;
+		GridWindowVO gridWindow = GridWindowVO.create(1, ad_window_id);
+		Optional<GridTabVO> optional = gridWindow.Tabs.stream().filter(e -> e.AD_Tab_ID == ad_tab_id).findFirst();
+		if (optional.isPresent()) {
+			GridTabVO gridTabVO = optional.get();
+			Optional<GridFieldVO> optional1 = gridTabVO.getFields().stream().filter(e -> e.AD_Field_ID == ad_field_id).findFirst();
+			if (optional1.isPresent()) {
+				gridField = optional1.get();				
+			}
+		}		
+		assertNotNull(gridField, "Can't find grid field");
+		lookup = LookupFactoryHelper.getLookup(gridField);
+		assertNotNull(lookup, "Can't find lookup service");
+		cacheName = "ILookupFactory";
+		cacheKey = null;
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		lookup = LookupFactoryHelper.getLookup(gridField);
+		assertNotNull(lookup, "Can't find lookup service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		hit = cache.getHit();
+		assertTrue(LookupFactoryHelper.isLookup(gridField), "Lookup should be true for " + gridField.toString());
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IDocFactory
+		int C_AcctSchema_ID = MClientInfo.get().getC_AcctSchema1_ID();
+		cacheKey = C_AcctSchema_ID + "|" + MInvoice.Table_ID;
+		cacheName = "IDocFactory";
+		MInvoice invoice = new MInvoice(Env.getCtx(), 0, getTrxName());
+		invoice.setBPartner(MBPartner.get(Env.getCtx(), 117));  // C&W
+		invoice.setC_DocTypeTarget_ID(MDocType.DOCBASETYPE_ARInvoice);
+		invoice.setC_DocType_ID(invoice.getC_DocTypeTarget_ID()); // required to avoid runDocumentActionWorkflow exception
+		invoice.setPaymentRule(MInvoice.PAYMENTRULE_Check);
+		invoice.setC_PaymentTerm_ID(105);  // Immediate
+		Timestamp today = TimeUtil.getDay(System.currentTimeMillis());
+		invoice.setDateInvoiced(today);
+		invoice.setDateAcct(today);
+		invoice.setDocStatus(DocAction.STATUS_Drafted);
+		invoice.setDocAction(DocAction.ACTION_Complete);
+		invoice.saveEx();
+		MInvoiceLine line1 = new MInvoiceLine(invoice);
+		line1.setLine(10);
+		line1.setC_Charge_ID(100);  // Bank Charge
+		line1.setQty(new BigDecimal("1"));
+		line1.setPrice(Env.ONEHUNDRED);
+		line1.saveEx();
+		ProcessInfo info = MWorkflow.runDocumentActionWorkflow(invoice, DocAction.ACTION_Complete);
+		invoice.load(getTrxName());
+		assertFalse(info.isError());
+		assertEquals(DocAction.STATUS_Completed, invoice.getDocStatus());
+		if (!invoice.isPosted()) {
+			String error = DocumentEngine.postImmediate(Env.getCtx(), invoice.getAD_Client_ID(), MInvoice.Table_ID, invoice.get_ID(), true, getTrxName());
+			assertNull(error, "Error posting invoice: " + error);
+		}
+		MAcctSchema as = MAcctSchema.get(C_AcctSchema_ID);
+		Doc doc = DocManager.getDocument(as, MInvoice.Table_ID, invoice.get_ID(), getTrxName());
+		assertNotNull(doc, "Failed load acct doc for invoice");
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		doc = DocManager.getDocument(as, MInvoice.Table_ID, invoice.get_ID(), getTrxName());
+		assertNotNull(doc, "Failed load acct doc for invoice");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IDatabase
+		AdempiereDatabase db = Database.getDatabase(Database.DB_POSTGRESQL);
+		assertNotNull(db, "Failed to load db service for " + Database.DB_POSTGRESQL);
+		cacheKey = Database.DB_POSTGRESQL;
+		cacheName = "IDatabase";
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		db = Database.getDatabase(Database.DB_POSTGRESQL);
+		assertNotNull(db, "Failed to load db service for " + Database.DB_POSTGRESQL);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IArchiveStore
+		ServiceQuery dbServiceQuery = new ServiceQuery();
+		dbServiceQuery.put("method", "DB");
+		IArchiveStore archiveStoreService = MStorageProvider.getArchiveStoreService(dbServiceQuery);
+		assertNotNull(archiveStoreService, "Can't find archive store service");
+		cacheName = "IArchiveStore";
+		cache = findByNameAndKey(cacheName, dbServiceQuery);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		archiveStoreService = MStorageProvider.getArchiveStoreService(dbServiceQuery);
+		assertNotNull(archiveStoreService, "Can't find archive store service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		ServiceQuery fileSystemServiceQuery = new ServiceQuery();
+		fileSystemServiceQuery.put("method", "FileSystem");
+		archiveStoreService = MStorageProvider.getArchiveStoreService(fileSystemServiceQuery);
+		assertNotNull(archiveStoreService, "Can't find archive store service");
+		hit = cache.getHit();
+		archiveStoreService = MStorageProvider.getArchiveStoreService(fileSystemServiceQuery);
+		assertNotNull(archiveStoreService, "Can't find archive store service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		assertTrue(cache.size() == 2, "Size for " + cacheName + " != 2");
+		
+		//IAttachmentStore
+		IAttachmentStore attachmentStoreService = MStorageProvider.getAttachmentStoreService(dbServiceQuery);
+		assertNotNull(attachmentStoreService, "Can't find attachment store service");
+		cacheName = "IAttachmentStore";
+		cache = findByNameAndKey(cacheName, dbServiceQuery);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		attachmentStoreService = MStorageProvider.getAttachmentStoreService(dbServiceQuery);
+		assertNotNull(attachmentStoreService, "Can't find attachment store service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		attachmentStoreService = MStorageProvider.getAttachmentStoreService(fileSystemServiceQuery);
+		assertNotNull(attachmentStoreService, "Can't find attachment store service");
+		hit = cache.getHit();
+		attachmentStoreService = MStorageProvider.getAttachmentStoreService(fileSystemServiceQuery);
+		assertNotNull(attachmentStoreService, "Can't find attachment store service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		assertTrue(cache.size() == 2, "Size for " + cacheName + " != 2");
+		
+		//IImageStore
+		IImageStore imagetStoreService = MStorageProvider.getImageStoreService(dbServiceQuery);
+		assertNotNull(imagetStoreService, "Can't find image store service");
+		cacheName = "IImageStore";
+		cache = findByNameAndKey(cacheName, dbServiceQuery);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		imagetStoreService = MStorageProvider.getImageStoreService(dbServiceQuery);
+		assertNotNull(imagetStoreService, "Can't find image store service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		imagetStoreService = MStorageProvider.getImageStoreService(fileSystemServiceQuery);
+		assertNotNull(imagetStoreService, "Can't find image store service");
+		hit = cache.getHit();
+		imagetStoreService = MStorageProvider.getImageStoreService(fileSystemServiceQuery);
+		assertNotNull(imagetStoreService, "Can't find image store service");
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		assertTrue(cache.size() == 2, "Size for " + cacheName + " != 2");
+		
+		//IModelFactory
+		cacheName = "IModelFactory";
+		cacheKey = MInvoice.Table_Name;
+		Class<?> modelClass = MTable.getClass(cacheKey);
+		assertNotNull(modelClass, "Can't find model class for " + cacheKey);
+		cache = findByNameAndKey(cacheName, cacheKey);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		modelClass = MTable.getClass(cacheKey);
+		assertNotNull(modelClass, "Can't find model class for " + cacheKey);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");
+		
+		//IDisplayTypeFactory
+		TestActivator.context.registerService(IDisplayTypeFactory.class, new FakeDisplayTypeFactory(), null);
+		cacheName = "IDisplayTypeFactory";
+		boolean isText = DisplayType.isText(FakeDisplayTypeFactory.DISPLAY_TYPE);
+		assertTrue(isText);
+		cache = findByNameAndKey(cacheName, FakeDisplayTypeFactory.DISPLAY_TYPE);
+		assertNotNull(cache, "Can't find cache for " + cacheName);
+		hit = cache.getHit();
+		isText = DisplayType.isText(FakeDisplayTypeFactory.DISPLAY_TYPE);
+		assertTrue(isText);
+		assertTrue(cache.getHit() > hit, "Hit for " + cacheName + " doesn't increase as expected");		
+	}
+	
+	private CCache<?, ?> findByTableNameAndKey(String tableName, Object key) {
+		CacheInterface[] cis = CacheMgt.get().getInstancesAsArray();
+		for(CacheInterface ci : cis) {
+			if (ci instanceof CCache<?, ?>) {				
+				@SuppressWarnings("rawtypes")
+				CCache ccache = (CCache) ci;
+				if (ccache.getName().equals(ccache.getTableName()) && ccache.getTableName().equals(tableName)) {
+					if (ccache.containsKey(key)) {
+						return ccache;
+					}
+				}
+			}
+		}
+		return null;
+	}
+	
+	private CCache<?, ?> findByNameAndKey(String name, Object key) {
+		CacheInterface[] cis = CacheMgt.get().getInstancesAsArray();
+		for(CacheInterface ci : cis) {
+			if (ci instanceof CCache<?, ?>) {				
+				@SuppressWarnings("rawtypes")
+				CCache ccache = (CCache) ci;
+				if (ccache.getTableName() == null && ccache.getName().equals(name)) {
+					if (key != null) {
+						if (ccache.containsKey(key)) {
+							return ccache;
+						}
+					} else {
+						return ccache;
+					}
+				}
+			}
+		}
+		return null;
+	}
 }

org.idempiere.test/src/org/idempiere/test/performance/FakeAddressValidationFactory.java

@@ -0,0 +1,58 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.idempiere.test.performance;
+
+import java.util.Properties;
+
+import org.adempiere.base.IAddressValidationFactory;
+import org.adempiere.model.IAddressValidation;
+import org.compiere.model.MAddressTransaction;
+
+/**
+ * @author hengsin
+ *
+ */
+public class FakeAddressValidationFactory implements IAddressValidationFactory {
+
+	/**
+	 * 
+	 */
+	public FakeAddressValidationFactory() {
+	}
+
+	@Override
+	public IAddressValidation newAddressValidationInstance(String className) {
+		if (FakeAddressValidationFactory.class.getName().equals(className)) {
+			return new IAddressValidation() {				
+				@Override
+				public boolean onlineValidate(Properties ctx, MAddressTransaction addressTransaction, String trxName) {
+					return false;
+				}
+			};
+		}
+		return null;
+	}
+
+}

org.idempiere.test/src/org/idempiere/test/performance/FakeBankStatementLoaderFactory.java

@@ -0,0 +1,50 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.idempiere.test.performance;
+
+import org.adempiere.base.IBankStatementLoaderFactory;
+import org.compiere.impexp.BankStatementLoaderInterface;
+import org.compiere.impexp.OFXFileBankStatementLoader;
+
+/**
+ * @author hengsin
+ *
+ */
+public class FakeBankStatementLoaderFactory implements IBankStatementLoaderFactory {
+
+	/**
+	 * 
+	 */
+	public FakeBankStatementLoaderFactory() {
+	}
+
+	@Override
+	public BankStatementLoaderInterface newBankStatementLoaderInstance(String className) {
+		if (OFXFileBankStatementLoader.class.getName().equals(className))
+			return new OFXFileBankStatementLoader();
+		return null;
+	}
+
+}

org.idempiere.test/src/org/idempiere/test/performance/FakeBankStatementMatcherFactory.java

@@ -0,0 +1,64 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.idempiere.test.performance;
+
+import org.adempiere.base.IBankStatementMatcherFactory;
+import org.compiere.impexp.BankStatementMatchInfo;
+import org.compiere.impexp.BankStatementMatcherInterface;
+import org.compiere.model.MBankStatementLine;
+import org.compiere.model.X_I_BankStatement;
+
+/**
+ * @author hengsin
+ *
+ */
+public class FakeBankStatementMatcherFactory implements IBankStatementMatcherFactory {
+
+	/**
+	 * 
+	 */
+	public FakeBankStatementMatcherFactory() {
+	}
+
+	@Override
+	public BankStatementMatcherInterface newBankStatementMatcherInstance(String className) {
+		if (FakeBankStatementMatcherFactory.class.getName().equals(className)) {
+			return new BankStatementMatcherInterface() {
+				
+				@Override
+				public BankStatementMatchInfo findMatch(X_I_BankStatement ibs) {
+					return null;
+				}
+				
+				@Override
+				public BankStatementMatchInfo findMatch(MBankStatementLine bsl) {
+					return null;
+				}
+			};
+		}
+		return null;
+	}
+
+}

org.idempiere.test/src/org/idempiere/test/performance/FakeDepreciationMethodFactory.java

@@ -0,0 +1,69 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.idempiere.test.performance;
+
+import java.math.BigDecimal;
+
+import org.idempiere.fa.service.api.DepreciationDTO;
+import org.idempiere.fa.service.api.DepreciationFactoryLookupDTO;
+import org.idempiere.fa.service.api.IDepreciationMethod;
+import org.idempiere.fa.service.api.IDepreciationMethodFactory;
+
+/**
+ * 
+ * @author hengsin
+ *
+ */
+public class FakeDepreciationMethodFactory implements IDepreciationMethodFactory {
+
+	public FakeDepreciationMethodFactory() {
+	}
+
+	@Override
+	public IDepreciationMethod getDepreciationMethod(DepreciationFactoryLookupDTO factoryLookupDTO) {
+		if (FakeDepreciationMethodFactory.class.getName().equals(factoryLookupDTO.depreciationType)) {
+			return new IDepreciationMethod() {
+
+				@Override
+				public BigDecimal caclulateDepreciation(DepreciationDTO depreciationDTO) {
+					return null;
+				}
+
+				@Override
+				public long getCountPeriod(DepreciationDTO depreciationDTO) {
+					return 0;
+				}
+
+				@Override
+				public boolean isPeriodAdjustment() {
+					return false;
+				}
+				
+			};
+		}
+		return null;
+	}
+
+}

org.idempiere.test/src/org/idempiere/test/performance/FakeDisplayTypeFactory.java

@@ -0,0 +1,77 @@
+package org.idempiere.test.performance;
+
+import java.text.DecimalFormat;
+import java.text.SimpleDateFormat;
+
+import org.adempiere.base.IDisplayTypeFactory;
+import org.compiere.util.Language;
+
+public class FakeDisplayTypeFactory implements IDisplayTypeFactory {
+
+	public final static int DISPLAY_TYPE = 9876543;
+	
+	public FakeDisplayTypeFactory() {
+	}
+
+	@Override
+	public boolean isID(int displayType) {
+		return false;
+	}
+
+	@Override
+	public boolean isNumeric(int displayType) {
+		return false;
+	}
+
+	@Override
+	public Integer getDefaultPrecision(int displayType) {
+		return null;
+	}
+
+	@Override
+	public boolean isText(int displayType) {
+		if (displayType == DISPLAY_TYPE)
+			return true;
+		return false;
+	}
+
+	@Override
+	public boolean isDate(int displayType) {
+		return false;
+	}
+
+	@Override
+	public boolean isLookup(int displayType) {
+		return false;
+	}
+
+	@Override
+	public boolean isLOB(int displayType) {
+		return false;
+	}
+
+	@Override
+	public DecimalFormat getNumberFormat(int displayType, Language language, String pattern) {
+		return null;
+	}
+
+	@Override
+	public SimpleDateFormat getDateFormat(int displayType, Language language, String pattern) {
+		return null;
+	}
+
+	@Override
+	public Class<?> getClass(int displayType, boolean yesNoAsBoolean) {
+		return null;
+	}
+
+	@Override
+	public String getSQLDataType(int displayType, String columnName, int fieldLength) {
+		return null;
+	}
+
+	@Override
+	public String getDescription(int displayType) {
+		return null;
+	}
+}

org.idempiere.test/src/org/idempiere/test/performance/FakeReplenishFactory.java

@@ -0,0 +1,58 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.idempiere.test.performance;
+
+import java.math.BigDecimal;
+
+import org.adempiere.base.IReplenishFactory;
+import org.compiere.model.MWarehouse;
+import org.compiere.model.X_T_Replenish;
+import org.compiere.util.ReplenishInterface;
+
+/**
+ * 
+ * @author hengsin
+ *
+ */
+public class FakeReplenishFactory implements IReplenishFactory {
+
+	public FakeReplenishFactory() {
+	}
+
+	@Override
+	public ReplenishInterface newReplenishInstance(String className) {
+		if (FakeReplenishFactory.class.getName().equals(className)) {
+			return new ReplenishInterface() {
+				
+				@Override
+				public BigDecimal getQtyToOrder(MWarehouse wh, X_T_Replenish replenish) {
+					return null;
+				}
+			};
+		}
+		return null;
+	}
+
+}

org.idempiere.test/src/org/idempiere/test/performance/FakeResourceFinder.java

@@ -0,0 +1,52 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.idempiere.test.performance;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import org.adempiere.base.IResourceFinder;
+
+/**
+ * 
+ * @author hengsin
+ *
+ */
+public class FakeResourceFinder implements IResourceFinder {
+
+	public FakeResourceFinder() {
+	}
+
+	@Override
+	public URL getResource(String name) {
+		if (getClass().getName().equals(name)) {
+			try {
+				return new URL("file:///TestResourceFinder.txt");
+			} catch (MalformedURLException e) {
+			}
+		}
+		return null;
+	}
+}

org.idempiere.test/src/org/idempiere/test/performance/FakeScriptEngineFactory.java

@@ -0,0 +1,174 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * This program is distributed in the hope that it will be useful,     *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of      *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
+ * GNU General Public License for more details.                        *
+ *                                                                     *
+ * You should have received a copy of the GNU General Public License   *
+ * along with this program; if not, write to the Free Software         *
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.idempiere.test.performance;
+
+import java.io.Reader;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.script.Bindings;
+import javax.script.ScriptContext;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineFactory;
+import javax.script.ScriptException;
+
+/**
+ * 
+ * @author hengsin
+ *
+ */
+public class FakeScriptEngineFactory implements ScriptEngineFactory {
+
+	public FakeScriptEngineFactory() {
+	}
+
+	@Override
+	public String getEngineName() {
+		return null;
+	}
+
+	@Override
+	public String getEngineVersion() {
+		return null;
+	}
+
+	@Override
+	public List<String> getExtensions() {
+		return null;
+	}
+
+	@Override
+	public List<String> getMimeTypes() {
+		return null;
+	}
+
+	@Override
+	public List<String> getNames() {
+		return Arrays.asList(FakeScriptEngineFactory.class.getName());
+	}
+
+	@Override
+	public String getLanguageName() {
+		return null;
+	}
+
+	@Override
+	public String getLanguageVersion() {
+		return null;
+	}
+
+	@Override
+	public Object getParameter(String key) {
+		return null;
+	}
+
+	@Override
+	public String getMethodCallSyntax(String obj, String m, String... args) {
+		return null;
+	}
+
+	@Override
+	public String getOutputStatement(String toDisplay) {
+		return null;
+	}
+
+	@Override
+	public String getProgram(String... statements) {
+		return null;
+	}
+
+	@Override
+	public ScriptEngine getScriptEngine() {
+		return new ScriptEngine() {
+			
+			@Override
+			public void setContext(ScriptContext context) {
+			}
+			
+			@Override
+			public void setBindings(Bindings bindings, int scope) {
+			}
+			
+			@Override
+			public void put(String key, Object value) {
+			}
+			
+			@Override
+			public ScriptEngineFactory getFactory() {
+				return null;
+			}
+			
+			@Override
+			public ScriptContext getContext() {
+				return null;
+			}
+			
+			@Override
+			public Bindings getBindings(int scope) {
+				return null;
+			}
+			
+			@Override
+			public Object get(String key) {
+				return null;
+			}
+			
+			@Override
+			public Object eval(Reader reader, Bindings n) throws ScriptException {
+				return null;
+			}
+			
+			@Override
+			public Object eval(String script, Bindings n) throws ScriptException {
+				return null;
+			}
+			
+			@Override
+			public Object eval(Reader reader, ScriptContext context) throws ScriptException {
+				return null;
+			}
+			
+			@Override
+			public Object eval(String script, ScriptContext context) throws ScriptException {
+				return null;
+			}
+			
+			@Override
+			public Object eval(Reader reader) throws ScriptException {
+				return null;
+			}
+			
+			@Override
+			public Object eval(String script) throws ScriptException {
+				return null;
+			}
+			
+			@Override
+			public Bindings createBindings() {
+				return null;
+			}
+		};
+	}
+}