com.hazelcast.map.impl.operation.PutIfAbsentOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, 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.impl.operation;
import com.hazelcast.nio.serialization.Data;
public class PutIfAbsentOperation extends BasePutOperation {
private boolean successful;
public PutIfAbsentOperation(String name, Data dataKey, Data value, long ttl) {
super(name, dataKey, value, ttl);
}
public PutIfAbsentOperation() {
}
@Override
public void run() {
final Object oldValue = recordStore.putIfAbsent(dataKey, dataValue, ttl);
dataOldValue = mapServiceContext.toData(oldValue);
successful = dataOldValue == null;
}
@Override
public void afterRun() {
if (successful) {
super.afterRun();
}
}
@Override
public Object getResponse() {
return dataOldValue;
}
@Override
public boolean shouldBackup() {
return successful && recordStore.getRecord(dataKey) != null;
}
}