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1   /**
2    * Copyright 2009 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  package org.apache.hadoop.hbase.mapreduce;
21  
22  import java.io.IOException;
23  
24  import org.apache.hadoop.mapreduce.JobContext;
25  import org.apache.hadoop.mapreduce.OutputCommitter;
26  import org.apache.hadoop.mapreduce.TaskAttemptContext;
27  
28  /**
29   * Small committer class that does not do anything.
30   */
31  public class TableOutputCommitter extends OutputCommitter {
32  
33    @Override
34    public void abortTask(TaskAttemptContext arg0) throws IOException {
35    }
36  
37    @Override
38    public void cleanupJob(JobContext arg0) throws IOException {
39    }
40  
41    @Override
42    public void commitTask(TaskAttemptContext arg0) throws IOException {
43    }
44  
45    @Override
46    public boolean needsTaskCommit(TaskAttemptContext arg0) throws IOException {
47      return false;
48    }
49  
50    @Override
51    public void setupJob(JobContext arg0) throws IOException {
52    }
53  
54    @Override
55    public void setupTask(TaskAttemptContext arg0) throws IOException {
56    }
57  
58    public boolean isRecoverySupported() {
59      return true;
60    }
61  
62    public void recoverTask(TaskAttemptContext taskContext)
63    throws IOException
64    {
65    }
66  }