/*

  * 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.io.Text;

 import org.apache.hadoop.mapreduce.RecordWriter;

 import org.apache.hadoop.mapreduce.TaskAttemptContext;

 /**

  * Used by {@link BspOutputFormat} since some versions of Hadoop

  * require that a RecordWriter is returned from getRecordWriter.

  * Does nothing, except insures that write is never called.

  */

 public class BspRecordWriter extends RecordWriter<Text, Text> {

   @Override

   public void close(TaskAttemptContext context)

     throws IOException, InterruptedException {

     // Do nothing

   }

   @Override

   public void write(Text key, Text value)

     throws IOException, InterruptedException {

     throw new IOException("write: Cannot write with " +

         getClass().getName() +

         ".  Should never be called");

   }

 }