com.hazelcast.map.AbstractEntryProcessor Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.map;
import java.util.Map;
/**
* An abstract {@link EntryProcessor} that already has implemented the {@link #getBackupProcessor()}. In a most cases you
* want the same logic to be executed on the primary and on the backup. This implementation has this behavior.
*
* @param
* @param
*/
public abstract class AbstractEntryProcessor implements EntryProcessor {
private final EntryBackupProcessor entryBackupProcessor;
/**
* Creates an AbstractEntryProcessor that applies the {@link #process(java.util.Map.Entry)} to primary and backups.
*/
public AbstractEntryProcessor() {
this(true);
}
/**
* Creates an AbstractEntryProcessor.
*
* @param applyOnBackup if the {@link #process(java.util.Map.Entry)} should also be applied on the backup.
*/
public AbstractEntryProcessor(boolean applyOnBackup) {
if (applyOnBackup) {
entryBackupProcessor = new EntryBackupProcessorImpl();
} else {
entryBackupProcessor = null;
}
}
@Override
public final EntryBackupProcessor getBackupProcessor() {
return entryBackupProcessor;
}
private class EntryBackupProcessorImpl implements EntryBackupProcessor {
@Override
public void processBackup(Map.Entry entry) {
process(entry);
}
}
}