org.apache.hadoop.examples.pi

Class DistSum.MapSide

java.lang.Object

org.apache.hadoop.examples.pi.DistSum.Machine

org.apache.hadoop.examples.pi.DistSum.MapSide

Enclosing class:

DistSum

public static class DistSum.MapSide
extends DistSum.Machine

A machine which does computation on the map side.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DistSum.MapSide.PartitionInputFormat An InputFormat which partitions a summation
static class	DistSum.MapSide.SummingMapper A mapper which computes sums

Nested classes/interfaces inherited from class org.apache.hadoop.examples.pi.DistSum.Machine

DistSum.Machine.AbstractInputFormat, DistSum.Machine.SummationSplit

Constructor Summary

Constructors

Constructor and Description
MapSide()

Method Summary

Modifier and Type	Method and Description
void	init(org.apache.hadoop.mapreduce.Job job) Initialize a job

Methods inherited from class org.apache.hadoop.examples.pi.DistSum.Machine

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

MapSide

public MapSide()

Method Detail

init

public void init(org.apache.hadoop.mapreduce.Job job)

Initialize a job