net.sf.ehcache.store.TxCopyStrategyHandler Maven / Gradle / Ivy
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Internal ehcache-core module. This artifact is not meant to be used directly
/**
* Copyright Terracotta, Inc.
*
* 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 net.sf.ehcache.store;
import net.sf.ehcache.Element;
import net.sf.ehcache.store.compound.ReadWriteCopyStrategy;
import net.sf.ehcache.transaction.SoftLockID;
/**
* @author Alex Snaps
*/
public class TxCopyStrategyHandler extends CopyStrategyHandler {
/**
* Creates a TxCopyStrategyHandler based on the copy configuration
*
* @param copyOnRead copy on read flag
* @param copyOnWrite copy on write flag
* @param copyStrategy the copy strategy to use
* @param loader
*/
public TxCopyStrategyHandler(final boolean copyOnRead, final boolean copyOnWrite,
final ReadWriteCopyStrategy copyStrategy, final ClassLoader loader) {
super(copyOnRead, copyOnWrite, copyStrategy, loader);
}
@Override
public Element copyElementForReadIfNeeded(final Element element) {
final Object objectValue = element.getObjectValue();
if (objectValue instanceof SoftLockID) {
return super.copyElementForReadIfNeeded(((SoftLockID)objectValue).getOldElement());
}
return super.copyElementForReadIfNeeded(element);
}
}
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