org.kepler.hadoop.io.output

Class ValueOnlyOutputFormat<K,V>

java.lang.Object

org.apache.hadoop.mapreduce.OutputFormat<K,V>

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<K,V>

org.apache.hadoop.mapreduce.lib.output.TextOutputFormat<K,V>

org.kepler.hadoop.io.output.ValueOnlyOutputFormat<K,V>

public class ValueOnlyOutputFormat<K,V>
extends org.apache.hadoop.mapreduce.lib.output.TextOutputFormat<K,V>

This class provides OutputFormat to write key values. It only write values to output.

Author:

Jianwu Wang (jianwu@sdsc.edu)

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.output.TextOutputFormat

org.apache.hadoop.mapreduce.lib.output.TextOutputFormat.LineRecordWriter<K,V>

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.Counter

Field Summary

Fields inherited from class org.apache.hadoop.mapreduce.lib.output.TextOutputFormat

SEPERATOR

Fields inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

BASE_OUTPUT_NAME, COMPRESS, COMPRESS_CODEC, COMPRESS_TYPE, OUTDIR, PART

Constructor Summary

Constructors

Constructor and Description
ValueOnlyOutputFormat()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordWriter<K,V>	getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext job)

Methods inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

checkOutputSpecs, getCompressOutput, getDefaultWorkFile, getOutputCommitter, getOutputCompressorClass, getOutputName, getOutputPath, getPathForWorkFile, getUniqueFile, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputName, setOutputPath

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ValueOnlyOutputFormat

public ValueOnlyOutputFormat()

Method Detail

getRecordWriter

public org.apache.hadoop.mapreduce.RecordWriter<K,V> getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext job)
                                                              throws java.io.IOException,
                                                                     java.lang.InterruptedException

Overrides:

getRecordWriter in class org.apache.hadoop.mapreduce.lib.output.TextOutputFormat<K,V>

Throws:

java.io.IOException

java.lang.InterruptedException