com.hazelcast.concurrent.atomiclong.operations.AlterOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2015, 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.concurrent.atomiclong.operations;
import com.hazelcast.concurrent.atomiclong.AtomicLongDataSerializerHook;
import com.hazelcast.concurrent.atomiclong.AtomicLongContainer;
import com.hazelcast.core.IFunction;
public class AlterOperation extends AbstractAlterOperation {
public AlterOperation() {
}
public AlterOperation(String name, IFunction function) {
super(name, function);
}
@Override
public int getId() {
return AtomicLongDataSerializerHook.ALTER;
}
@Override
public void run() throws Exception {
AtomicLongContainer atomicLongContainer = getLongContainer();
long input = atomicLongContainer.get();
long output = function.apply(input);
shouldBackup = input != output;
if (shouldBackup) {
backup = output;
atomicLongContainer.set(backup);
}
}
}