org.apache.hadoop.mapred.lib
Class MultipleSequenceFileOutputFormat<K,V>

java.lang.Object
  extended by org.apache.hadoop.mapred.FileOutputFormat<K,V>
      extended by org.apache.hadoop.mapred.lib.MultipleOutputFormat<K,V>
          extended by org.apache.hadoop.mapred.lib.MultipleSequenceFileOutputFormat<K,V>
All Implemented Interfaces:
OutputFormat<K,V>

@InterfaceAudience.Public
@InterfaceStability.Stable
public class MultipleSequenceFileOutputFormat<K,V>
extends MultipleOutputFormat<K,V>

This class extends the MultipleOutputFormat, allowing to write the output data to different output files in sequence file output format.


Constructor Summary
MultipleSequenceFileOutputFormat()
           
 
Method Summary
protected  RecordWriter<K,V> getBaseRecordWriter(FileSystem fs, JobConf job, String name, Progressable arg3)
           
 
Methods inherited from class org.apache.hadoop.mapred.lib.MultipleOutputFormat
generateActualKey, generateActualValue, generateFileNameForKeyValue, generateLeafFileName, getInputFileBasedOutputFileName, getRecordWriter
 
Methods inherited from class org.apache.hadoop.mapred.FileOutputFormat
checkOutputSpecs, getCompressOutput, getOutputCompressorClass, getOutputPath, getPathForCustomFile, getTaskOutputPath, getUniqueName, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputPath
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MultipleSequenceFileOutputFormat

public MultipleSequenceFileOutputFormat()
Method Detail

getBaseRecordWriter

protected RecordWriter<K,V> getBaseRecordWriter(FileSystem fs,
                                                JobConf job,
                                                String name,
                                                Progressable arg3)
                                         throws IOException
Specified by:
getBaseRecordWriter in class MultipleOutputFormat<K,V>
Parameters:
fs - the file system to use
job - a job conf object
name - the name of the file over which a record writer object will be constructed
arg3 - a progressable object
Returns:
A RecordWriter object over the given file
Throws:
IOException


Copyright © 2012 Apache Software Foundation. All Rights Reserved.