jstorm-core/src/main/java/com/alibaba/jstorm/batch/IPrepareCommit.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.alibaba.jstorm.batch;

import backtype.storm.topology.BasicOutputCollector;
import backtype.storm.topology.FailedException;

/**
 * Called before commit, after finish batch
 * 
 * @author zhongyan.feng
 */
public interface IPrepareCommit {

    /**
     * Do prepare before commit
     * 
     * @param id
     * @param collector
     */
    void prepareCommit(BatchId id, BasicOutputCollector collector) throws FailedException;
}