Package org.apache.hadoop.examples

Class MultiFileWordCount.MapClass

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<MultiFileWordCount.WordOffset,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>

org.apache.hadoop.examples.MultiFileWordCount.MapClass

Enclosing class:

MultiFileWordCount

public static class MultiFileWordCount.MapClass
extends org.apache.hadoop.mapreduce.Mapper<MultiFileWordCount.WordOffset,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>

This Mapper is similar to the one in WordCount.TokenizerMapper.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor	Description
MapClass()

Method Summary

Modifier and Type	Method	Description
void	map(MultiFileWordCount.WordOffset key, org.apache.hadoop.io.Text value, org.apache.hadoop.mapreduce.Mapper.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

cleanup, run, setup

Methods inherited from class java.lang.Object

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

Constructor Detail

MapClass

public MapClass()

Method Detail

map

public void map(MultiFileWordCount.WordOffset key,
                org.apache.hadoop.io.Text value,
                org.apache.hadoop.mapreduce.Mapper.Context context)
         throws java.io.IOException,
                java.lang.InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<MultiFileWordCount.WordOffset,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>

Throws:

java.io.IOException

java.lang.InterruptedException