/*
* (C) 2007-2012 Alibaba Group Holding Limited.
*
* 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.
* Authors:
* wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
*/
package com.taobao.metamorphosis.storm.spout;
import java.util.concurrent.CountDownLatch;
import com.taobao.metamorphosis.Message;
/**
* Meta��Ϣ�İ�װ�࣬����һ��CountDownLatch
*
* @author boyan(boyan@taobao.com)
* @date 2011-11-8
*
*/
public final class MetaMessageWrapper {
public final Message message;
public final CountDownLatch latch;
public volatile boolean success = false;
public MetaMessageWrapper(final Message message) {
super();
this.message = message;
this.latch = new CountDownLatch(1);
}
}