/*

  * 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 org.apache.giraph.bsp;

 import java.io.IOException;

 import org.apache.hadoop.mapreduce.JobContext;

 import org.apache.hadoop.mapreduce.OutputCommitter;

 import org.apache.hadoop.mapreduce.TaskAttemptContext;

 /**

  * This output committer doesn't do anything, meant for the case

  * where output isn't desired, or as a base for not using

  * FileOutputCommitter.

  */

 public class ImmutableOutputCommitter extends OutputCommitter {

   @Override

   public void abortTask(TaskAttemptContext context) throws IOException {

   }

   @Override

   public void commitTask(TaskAttemptContext context) throws IOException {

   }

   @Override

   public boolean needsTaskCommit(TaskAttemptContext context)

     throws IOException {

     return false;

   }

   @Override

   public void setupJob(JobContext context) throws IOException {

   }

   @Override

   public void setupTask(TaskAttemptContext context) throws IOException {

   }

 /*if[HADOOP_NON_SECURE]

   @Override

   public void cleanupJob(JobContext jobContext) throws IOException {

   }

 else[HADOOP_NON_SECURE]*/

 /*end[HADOOP_NON_SECURE]*/

   @Override

   public void commitJob(JobContext jobContext) throws IOException {

   }

 }