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    
019    package org.apache.hadoop.mapred;
020    
021    import java.io.IOException;
022    
023    import org.apache.hadoop.classification.InterfaceAudience;
024    import org.apache.hadoop.classification.InterfaceStability;
025    import 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
035    public 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    }