001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.hadoop.mapred;
020
021import java.io.IOException;
022
023import org.apache.hadoop.classification.InterfaceAudience;
024import org.apache.hadoop.classification.InterfaceStability;
025import org.apache.hadoop.io.Text;
026
027/**
028 * This class is similar to SequenceFileInputFormat, 
029 * except it generates SequenceFileAsTextRecordReader 
030 * which converts the input keys and values to their 
031 * String forms by calling toString() method.
032 */
033@InterfaceAudience.Public
034@InterfaceStability.Stable
035public class SequenceFileAsTextInputFormat
036  extends SequenceFileInputFormat<Text, Text> {
037
038  public SequenceFileAsTextInputFormat() {
039    super();
040  }
041
042  public RecordReader<Text, Text> getRecordReader(InputSplit split,
043                                                  JobConf job,
044                                                  Reporter reporter)
045    throws IOException {
046
047    reporter.setStatus(split.toString());
048
049    return new SequenceFileAsTextRecordReader(job, (FileSplit) split);
050  }
051}