org.apache.hadoop.mapreduce.task.reduce

Class DirectShuffle<K,V>

java.lang.Object

org.apache.hadoop.mapreduce.task.reduce.DirectShuffle<K,V>

All Implemented Interfaces:

org.apache.hadoop.mapred.ShuffleConsumerPlugin<K,V>, org.apache.hadoop.mapreduce.task.reduce.ExceptionReporter

public class DirectShuffle<K,V>
extends Object
implements org.apache.hadoop.mapred.ShuffleConsumerPlugin<K,V>, org.apache.hadoop.mapreduce.task.reduce.ExceptionReporter

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.mapred.ShuffleConsumerPlugin

org.apache.hadoop.mapred.ShuffleConsumerPlugin.Context<K,V>

Constructor Summary

Constructors

Constructor and Description
DirectShuffle()

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected org.apache.hadoop.mapreduce.task.reduce.MergeManager<K,V>	createMergeManager(org.apache.hadoop.mapred.ShuffleConsumerPlugin.Context<K,V> context)
void	init(org.apache.hadoop.mapred.ShuffleConsumerPlugin.Context<K,V> context)
void	reportException(Throwable t)
org.apache.hadoop.mapred.RawKeyValueIterator	run()

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectShuffle

public DirectShuffle()

Method Detail

reportException

public void reportException(Throwable t)

Specified by:

reportException in interface org.apache.hadoop.mapreduce.task.reduce.ExceptionReporter

init

public void init(org.apache.hadoop.mapred.ShuffleConsumerPlugin.Context<K,V> context)

Specified by:

init in interface org.apache.hadoop.mapred.ShuffleConsumerPlugin<K,V>

run

public org.apache.hadoop.mapred.RawKeyValueIterator run()
                                                 throws IOException,
                                                        InterruptedException

Specified by:

run in interface org.apache.hadoop.mapred.ShuffleConsumerPlugin<K,V>

Throws:

IOException

InterruptedException

close

public void close()

Specified by:

close in interface org.apache.hadoop.mapred.ShuffleConsumerPlugin<K,V>

createMergeManager

protected org.apache.hadoop.mapreduce.task.reduce.MergeManager<K,V> createMergeManager(org.apache.hadoop.mapred.ShuffleConsumerPlugin.Context<K,V> context)
                                                                                throws IOException

Throws:

IOException