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.lib;
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.fs.FileSystem;
026    import org.apache.hadoop.mapred.JobConf;
027    import org.apache.hadoop.mapred.RecordWriter;
028    import org.apache.hadoop.mapred.TextOutputFormat;
029    import org.apache.hadoop.util.Progressable;
030    
031    /**
032     * This class extends the MultipleOutputFormat, allowing to write the output
033     * data to different output files in Text output format.
034     */
035    @InterfaceAudience.Public
036    @InterfaceStability.Stable
037    public class MultipleTextOutputFormat<K, V>
038        extends MultipleOutputFormat<K, V> {
039    
040      private TextOutputFormat<K, V> theTextOutputFormat = null;
041    
042      @Override
043      protected RecordWriter<K, V> getBaseRecordWriter(FileSystem fs, JobConf job,
044          String name, Progressable arg3) throws IOException {
045        if (theTextOutputFormat == null) {
046          theTextOutputFormat = new TextOutputFormat<K, V>();
047        }
048        return theTextOutputFormat.getRecordWriter(fs, job, name, arg3);
049      }
050    }