com.hazelcast.queue.impl.IsEmptyOperation 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.queue.impl;
/**
* check if queue is empty
*/
public class IsEmptyOperation extends QueueOperation {
public IsEmptyOperation() {
}
public IsEmptyOperation(final String name) {
super(name);
}
@Override
public void run() throws Exception {
response = getOrCreateContainer().size() == 0;
}
@Override
public void afterRun() throws Exception {
getQueueService().getLocalQueueStatsImpl(name).incrementOtherOperations();
}
@Override
public int getId() {
return QueueDataSerializerHook.IS_EMPTY;
}
}