/*
* 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;
import com.hazelcast.nio.serialization.
IdentifiedDataSerializable;
/**
* User: ali
* Date: 11/23/12
* Time: 3:56 AM
*/
public final class
PeekOperation extends
QueueOperation implements
IdentifiedDataSerializable {
public
PeekOperation() {
}
public
PeekOperation(final
String name) {
super(
name);
}
public void
run() {
QueueItem item =
getOrCreateContainer().
peek();
response =
item != null ?
item.
getData() : null;
}
public void
afterRun() throws
Exception {
getQueueService().
getLocalQueueStatsImpl(
name).
incrementOtherOperations();
}
public int
getFactoryId() {
return
QueueDataSerializerHook.
F_ID;
}
public int
getId() {
return
QueueDataSerializerHook.
PEEK;
}
}