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IDEMPIERE-3653 1007767 Possible memory leak. Fixed memory leak and reduce memory usage. / integrate partial patch from hengsin

This commit is contained in:
Carlos Ruiz 2017-03-27 17:08:50 +08:00
parent 8414f71756
commit 2d01ed4995
2 changed files with 21 additions and 6 deletions
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9
org.adempiere.base/src/org/compiere/model/MLocatorLookup.java
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@ -31,6 +31,7 @@ import org.compiere.util.DB;
import org.compiere.util.DisplayType;
import org.compiere.util.KeyNamePair;
import org.compiere.util.NamePair;
import org.compiere.util.Util;
/**
* Warehouse Locator Lookup Model.
@ -255,7 +256,7 @@ public final class MLocatorLookup extends Lookup implements Serializable
return null;
}
//
return new MLocator (m_ctx, M_Locator_ID, trxName);
return Util.isEmpty(trxName) ? MLocator.get(m_ctx, M_Locator_ID) : new MLocator (m_ctx, M_Locator_ID, trxName);
} // getMLocator
/**
@ -328,7 +329,7 @@ public final class MLocatorLookup extends Lookup implements Serializable
int local_only_warehouse_id = getOnly_Warehouse_ID(); // [ 1674891 ] MLocatorLookup - weird error
int local_only_product_id = getOnly_Product_ID();
StringBuilder sql = new StringBuilder("SELECT M_Locator.* FROM M_Locator ")
StringBuilder sql = new StringBuilder("SELECT M_Locator.M_Locator_ID FROM M_Locator ")
.append(" INNER JOIN M_Warehouse wh ON (wh.M_Warehouse_ID=M_Locator.M_Warehouse_ID) ")
.append(" WHERE M_Locator.IsActive='Y' ")
.append(" AND wh.IsActive='Y'");
@ -372,8 +373,8 @@ public final class MLocatorLookup extends Lookup implements Serializable
//
while (rs.next())
{
MLocator loc = new MLocator(m_ctx, rs, null);
int M_Locator_ID = loc.getM_Locator_ID();
int M_Locator_ID = rs.getInt(1);
MLocator loc = MLocator.get(m_ctx, M_Locator_ID);
m_lookup.put(new Integer(M_Locator_ID), loc);
}
}

18
org.adempiere.base/src/org/compiere/util/CacheMgt.java
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@ -18,8 +18,10 @@ package org.compiere.util;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.Map.Entry;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.logging.Level;
@ -66,6 +68,7 @@ public class CacheMgt
/** Logger */
private static CLogger log = CLogger.getCLogger(CacheMgt.class);
private final static int MAX_SIZE = 2000;
/**************************************************************************
* Create Cache Instance
@ -94,7 +97,18 @@ public class CacheMgt
if (map == null)
{
map = new ConcurrentHashMap<K, V>();
map = Collections.synchronizedMap(new LinkedHashMap<K, V>() {
/**
* generated serial id
*/
private static final long serialVersionUID = -9111152673370957054L;
@Override
protected boolean removeEldestEntry(Entry<K, V> eldest) {
return size() > MAX_SIZE;
}
});
}
return map;
} // register