IDEMPIERE-5732 Cache reset should happens after commit of transaction (#1850)

* IDEMPIERE-5732 Cache reset should happens after commit of transaction

* IDEMPIERE-5732 Cache reset should happens after commit of transaction

* - minor defensive programming

---------

Co-authored-by: hengsin <hengsin@gmail.com>

org.adempiere.base/src/org/compiere/Adempiere.java

@@ -109,7 +109,10 @@ public final class Adempiere
 	private static CLogger		log = null;
 	
 	/** Thread pool **/
-	private static ScheduledThreadPoolExecutor threadPoolExecutor = null;
+	private final static ScheduledThreadPoolExecutor threadPoolExecutor = createThreadPool();
+	static {
+		Trx.startTrxMonitor();
+	}
 	
 	 /** A list of event listeners for this component.	*/
     private static EventListenerList m_listenerList = new EventListenerList();
@@ -584,8 +587,7 @@ public final class Adempiere
 		}
 	}
 
-	private static synchronized void createThreadPool() {
+	private static ScheduledThreadPoolExecutor createThreadPool() {
-		if (threadPoolExecutor == null) {
 		int max = Runtime.getRuntime().availableProcessors() * 20;
 		int defaultMax = max;
 		Properties properties = Ini.getProperties();
@@ -600,10 +602,7 @@ public final class Adempiere
 		}
 		
 		// start thread pool
-			threadPoolExecutor = new ScheduledThreadPoolExecutor(max);		
+		return new ScheduledThreadPoolExecutor(max);								
-			
-			Trx.startTrxMonitor();
-		}
 	}
 
 	/**
@@ -690,10 +689,7 @@ public final class Adempiere
 	}
 	
 	public static synchronized void stop() {
-		if (threadPoolExecutor != null) {
 		threadPoolExecutor.shutdown();
-			threadPoolExecutor = null;
-		}
 		log = null;
 	}
 	
@@ -701,9 +697,7 @@ public final class Adempiere
 	 * 
 	 * @return {@link ScheduledThreadPoolExecutor}
 	 */
-	public static synchronized ScheduledThreadPoolExecutor getThreadPoolExecutor() {
+	public static ScheduledThreadPoolExecutor getThreadPoolExecutor() {
-		if (threadPoolExecutor == null)
-			createThreadPool();
 		return threadPoolExecutor;
 	}
 	

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

@@ -71,6 +71,7 @@ import org.compiere.util.Msg;
 import org.compiere.util.SecureEngine;
 import org.compiere.util.Trace;
 import org.compiere.util.Trx;
+import org.compiere.util.TrxEventListener;
 import org.compiere.util.Util;
 import org.compiere.util.ValueNamePair;
 import org.osgi.service.event.Event;
@@ -2692,10 +2693,37 @@ public abstract class PO
 		if (!newRecord)
 			MRecentItem.clearLabel(p_info.getAD_Table_ID(), get_UUID());
 		if (CacheMgt.get().hasCache(p_info.getTableName())) {
+			boolean cacheResetScheduled = false;
+			if (get_TrxName() != null) {
+				Trx trx = Trx.get(get_TrxName(), false);
+				if (trx != null) {
+					trx.addTrxEventListener(new TrxEventListener() {
+						@Override
+						public void afterRollback(Trx trx, boolean success) {
+							trx.removeTrxEventListener(this);
+						}
+						@Override
+						public void afterCommit(Trx sav, boolean success) {
+							if (success)
 								if (!newRecord)
 									Adempiere.getThreadPoolExecutor().submit(() -> CacheMgt.get().reset(p_info.getTableName(), get_ID()));
-			else if (get_ID() > 0 && success)
+								else if (get_ID() > 0)
 									Adempiere.getThreadPoolExecutor().submit(() -> CacheMgt.get().newRecord(p_info.getTableName(), get_ID()));
+							trx.removeTrxEventListener(this);
+						}
+						@Override
+						public void afterClose(Trx trx) {
+						}
+					});
+					cacheResetScheduled = true;
+				}
+			}
+			if (!cacheResetScheduled) {
+				if (!newRecord)
+					Adempiere.getThreadPoolExecutor().submit(() -> CacheMgt.get().reset(p_info.getTableName(), get_ID()));
+				else if (get_ID() > 0)
+					Adempiere.getThreadPoolExecutor().submit(() -> CacheMgt.get().newRecord(p_info.getTableName(), get_ID()));
+			}
 		}
 		
 		return success;
@@ -4169,6 +4197,26 @@ public abstract class PO
 			}
 			else
 			{
+				if (CacheMgt.get().hasCache(p_info.getTableName())) {
+					Trx trxdel = Trx.get(get_TrxName(), false);
+					if (trxdel != null) {
+						trxdel.addTrxEventListener(new TrxEventListener() {
+							@Override
+							public void afterRollback(Trx trxdel, boolean success) {
+								trxdel.removeTrxEventListener(this);
+							}
+							@Override
+							public void afterCommit(Trx trxdel, boolean success) {
+								if (success)
+									Adempiere.getThreadPoolExecutor().submit(() -> CacheMgt.get().reset(p_info.getTableName(), Record_ID));
+								trxdel.removeTrxEventListener(this);
+							}
+							@Override
+							public void afterClose(Trx trxdel) {
+							}
+						});
+					}
+				}
 				if (localTrx != null)
 				{
 					try {
@@ -4196,7 +4244,6 @@ public abstract class PO
 				int size = p_info.getColumnCount();
 				m_oldValues = new Object[size];
 				m_newValues = new Object[size];
-				Adempiere.getThreadPoolExecutor().submit(() -> CacheMgt.get().reset(p_info.getTableName(), Record_ID));
 			}
 		}
 		finally

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

@@ -21,14 +21,13 @@ import java.io.StringWriter;
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.sql.Savepoint;
-import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Date;
-import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 
@@ -108,7 +107,7 @@ public class Trx
 	
 	private static final Trx.TrxMonitor s_monitor = new Trx.TrxMonitor();
 	
-	private List<TrxEventListener> listeners = new ArrayList<TrxEventListener>();
+	private ConcurrentLinkedQueue<TrxEventListener> listeners = new ConcurrentLinkedQueue<TrxEventListener>();
 	
 	protected Exception trace;
 	
@@ -347,8 +346,7 @@ public class Trx
 	}	//	rollback
 	
 	private void fireAfterRollbackEvent(boolean success) {
-		TrxEventListener[] copies = listeners.toArray(new TrxEventListener[0]);
+		for(TrxEventListener l : listeners) {
-		for(TrxEventListener l : copies) {
 			l.afterRollback(this, success);
 		}
 	}
@@ -433,8 +431,7 @@ public class Trx
 	}	//	commit
 	
 	private void fireAfterCommitEvent(boolean success) {
-		TrxEventListener[] copies = listeners.toArray(new TrxEventListener[0]);
+		for(TrxEventListener l : listeners) {
-		for(TrxEventListener l : copies) {
 			l.afterCommit(this, success);
 		}
 	}
@@ -541,8 +538,7 @@ public class Trx
 	}	//	close
 	
 	private void fireAfterCloseEvent() {
-		TrxEventListener[] copies = listeners.toArray(new TrxEventListener[0]);
+		for(TrxEventListener l : listeners) {
-		for(TrxEventListener l : copies) {
 			l.afterClose(this);
 		}
 	}
@@ -735,16 +731,12 @@ public class Trx
 	 * @param listener
 	 */
 	public void addTrxEventListener(TrxEventListener listener) {
-		synchronized (listeners) {
 		listeners.add(listener);
 	}
-	}
 	
 	public boolean removeTrxEventListener(TrxEventListener listener) {
-		synchronized (listeners) {
 		return listeners.remove(listener);
 	}
-	}
 	
 	public String getStrackTrace()
 	{

org.idempiere.test/src/org/idempiere/test/base/MatchInvTestIsolated.java

@@ -97,9 +97,10 @@ public class MatchInvTestIsolated extends AbstractTestCase {
 			categoryAcct.saveEx();
 		}
 		
-		try {
 		int mulchId = DictionaryIDs.M_Product.MULCH.id;  // Mulch product
-			MProduct mulch = new MProduct(Env.getCtx(), mulchId, getTrxName());
+		MProduct mulch = new MProduct(Env.getCtx(), mulchId, null);
+		int mulchCategoryId = mulch.getM_Product_Category_ID();
+		try {						
 			mulch.setM_Product_Category_ID(category.get_ID());
 			mulch.saveEx();
 			
@@ -257,6 +258,8 @@ public class MatchInvTestIsolated extends AbstractTestCase {
 			}
 		} finally {
 			getTrx().rollback();
+			mulch.setM_Product_Category_ID(mulchCategoryId);
+			mulch.saveEx();
 			category.deleteEx(true);
 		}
 	}

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

@@ -213,9 +213,11 @@ public class CacheTest extends AbstractTestCase {
 		assertEquals(oak, p2.getM_Product_ID());
 		assertTrue(pc.getHit() > hit, "Second get of product Oak, cache hit should increase");
 		
+		String oakDescription = p2.getDescription();
 		p2 = new MProduct(Env.getCtx(), p2, getTrxName());
 		p2.setDescription("Test Update @ " + System.currentTimeMillis());
 		p2.saveEx();
+		commit();
 		
 		//get after p2 update, miss should increase
 		//wait 500ms since cache reset after update is async
@@ -242,6 +244,7 @@ public class CacheTest extends AbstractTestCase {
 		p3.saveEx();
 		
 		p3.deleteEx(true);
+		commit();
 		
 		//cache for p2 not effected by p3 delete, hit should increase
 		hit = pc.getHit();
@@ -256,6 +259,11 @@ public class CacheTest extends AbstractTestCase {
 		p2.saveEx();
 		
 		rollback();
+		
+		//revert description update
+		p2 = new MProduct(Env.getCtx(), oak, null);
+		p2.setDescription(oakDescription);
+		p2.saveEx();
 	}
 	
 	@Test