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Reladomo is an object-relational mapping framework.
/*
Copyright 2016 Goldman Sachs.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
package com.gs.fw.common.mithra.cache;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import com.gs.collections.impl.list.mutable.FastList;
import com.gs.collections.impl.set.mutable.UnifiedSet;
import com.gs.fw.common.mithra.*;
import com.gs.fw.common.mithra.attribute.Attribute;
import com.gs.fw.common.mithra.attribute.update.AttributeUpdateWrapper;
import com.gs.fw.common.mithra.behavior.AbstractTransactionalBehavior;
public abstract class AbstractNonDatedTransactionalCache extends AbstractNonDatedCache
{
private static final NonNullMutableBoolean IRRELEVANT_DIRTY = new NonNullMutableBoolean();
protected AbstractNonDatedTransactionalCache(Attribute[] pkAttributes, MithraObjectFactory factory, long timeToLive, long relationshipTimeToLive)
{
super(pkAttributes, factory, timeToLive, relationshipTimeToLive);
}
protected AbstractNonDatedTransactionalCache(Attribute[] pkAttributes, MithraObjectFactory factory, Attribute[] immutableAttributes, long timeToLive, long relationshipTimeToLive)
{
super(pkAttributes, factory, immutableAttributes, timeToLive, relationshipTimeToLive);
}
@Override
public IndexReference getIndexRef(Attribute attribute)
{
IndexReference indexRef = this.getIndexRefForSingleAttribute(attribute);
if (indexRef.isValid())
{
Index index = this.getIndices()[indexRef.indexReference-1];
if (MithraManagerProvider.getMithraManager().isInTransaction() && !index.isUnique())
{
return this.noIndexReference;
}
return indexRef;
}
return this.noIndexReference;
}
@Override
public IndexReference getBestIndexReference(List attributes)
{
IndexReference bestIndex = this.getBestIndex(attributes);
if (bestIndex.isValid())
{
Index index = this.getIndices()[bestIndex.indexReference-1];
if (MithraManagerProvider.getMithraManager().isInTransaction() && !index.isUnique())
{
return this.noIndexReference;
}
return bestIndex;
}
return this.noIndexReference;
}
@Override
protected void reindexAffectedIndicesAndSetData(MithraObject object, MithraDataObject newData,
UnifiedSet affectedIndicies, Object optionalBehavior)
{
MithraManager mithraManager = MithraManagerProvider.getMithraManager();
MithraTransaction tx = mithraManager.zGetCurrentTransactionWithNoCheck();
if (tx == null)
{
super.reindexAffectedIndicesAndSetData(object, newData, affectedIndicies, optionalBehavior);
return;
}
List prepared = FastList.newList(affectedIndicies.size());
for (Iterator it = affectedIndicies.iterator(); it.hasNext();)
{
TransactionalIndex index = (TransactionalIndex) it.next();
if (index.prepareForReindex(object, tx))
{
prepared.add(index);
it.remove();
}
else
{
index.removeIgnoringTransaction(object);
}
}
object.zSetData(newData, optionalBehavior);
for (Iterator it = affectedIndicies.iterator(); it.hasNext();)
{
TransactionalIndex index = (TransactionalIndex) it.next();
index.putIgnoringTransaction(object, newData, false);
}
for(int i=0;i 0)
{
this.readWriteLock.acquireWriteLock();
lock = Boolean.TRUE;
for (Iterator it = affectedIndicies.iterator(); it.hasNext();)
{
Index index = (Index) it.next();
index.remove(object);
}
}
}
/*
the indicies have now been updated with the new value, but the object still holds onto the old
value. If the index is queried in this state, it can return the wrong results
because of equality checking inside the index.
Therefore, we must perform the object update under the cache's write lock
*/
updateWrapper.updateData();
if (affectedIndicies.size() > 0)
{
for (Iterator it = affectedIndicies.iterator(); it.hasNext();)
{
Index index = (Index) it.next();
index.put(object);
}
}
}
finally
{
if (lock != null)
{
this.readWriteLock.release();
}
}
}
@Override
public void reindexForTransaction(MithraObject object, AttributeUpdateWrapper updateWrapper)
{
Attribute attribute = updateWrapper.getAttribute();
if (this.getMonitoredAttributes().contains(attribute))
{
List affectedIndicies = (List)this.getAttributeToIndexMap().get(attribute);
if (affectedIndicies.size() > 0)
{
MithraManager mithraManager = MithraManagerProvider.getMithraManager();
MithraTransaction tx = mithraManager.zGetCurrentTransactionWithNoCheck();
try
{
this.getCacheLock().acquireWriteLock();
for(Iterator it = affectedIndicies.iterator();it.hasNext();)
{
TransactionalIndex index = (TransactionalIndex)it.next();
index.prepareForReindexInTransaction(object, tx);
}
updateWrapper.updateData();
for(Iterator it = affectedIndicies.iterator();it.hasNext();)
{
TransactionalIndex index = (TransactionalIndex)it.next();
index.finishForReindex(object, tx);
}
}
finally
{
this.getCacheLock().release();
}
return;
}
}
updateWrapper.updateData();
}
@Override
public void removeIgnoringTransaction(MithraObject object)
{
try
{
this.getCacheLock().acquireWriteLock();
Index[] indices = this.getIndices();
for(int i=0;i