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1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *     http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   */
19  package org.apache.hadoop.hbase.mapreduce;
20  
21  import java.io.IOException;
22  
23  import org.apache.hadoop.classification.InterfaceAudience;
24  import org.apache.hadoop.classification.InterfaceStability;
25  import org.apache.hadoop.mapreduce.JobContext;
26  import org.apache.hadoop.mapreduce.OutputCommitter;
27  import org.apache.hadoop.mapreduce.TaskAttemptContext;
28  
29  /**
30   * Small committer class that does not do anything.
31   */
32  @InterfaceAudience.Public
33  @InterfaceStability.Stable
34  public class TableOutputCommitter extends OutputCommitter {
35  
36    @Override
37    public void abortTask(TaskAttemptContext arg0) throws IOException {
38    }
39  
40    @Override
41    public void cleanupJob(JobContext arg0) throws IOException {
42    }
43  
44    @Override
45    public void commitTask(TaskAttemptContext arg0) throws IOException {
46    }
47  
48    @Override
49    public boolean needsTaskCommit(TaskAttemptContext arg0) throws IOException {
50      return false;
51    }
52  
53    @Override
54    public void setupJob(JobContext arg0) throws IOException {
55    }
56  
57    @Override
58    public void setupTask(TaskAttemptContext arg0) throws IOException {
59    }
60  
61    public boolean isRecoverySupported() {
62      return true;
63    }
64  
65    public void recoverTask(TaskAttemptContext taskContext)
66    throws IOException
67    {
68    }
69  }