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.SequenceFileOutputFormat; 029 import org.apache.hadoop.util.Progressable; 030 031 /** 032 * This class extends the MultipleOutputFormat, allowing to write the output data 033 * to different output files in sequence file output format. 034 * @deprecated Use 035 * {@link org.apache.hadoop.mapreduce.lib.output.MultipleOutputs} instead 036 */ 037 @Deprecated 038 @InterfaceAudience.Public 039 @InterfaceStability.Stable 040 public class MultipleSequenceFileOutputFormat <K,V> 041 extends MultipleOutputFormat<K, V> { 042 043 private SequenceFileOutputFormat<K,V> theSequenceFileOutputFormat = null; 044 045 @Override 046 protected RecordWriter<K, V> getBaseRecordWriter(FileSystem fs, 047 JobConf job, 048 String name, 049 Progressable arg3) 050 throws IOException { 051 if (theSequenceFileOutputFormat == null) { 052 theSequenceFileOutputFormat = new SequenceFileOutputFormat<K,V>(); 053 } 054 return theSequenceFileOutputFormat.getRecordWriter(fs, job, name, arg3); 055 } 056 }