Package org.apache.hadoop.examples

Class WordMedian

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.examples.WordMedian

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class WordMedian
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	WordMedian.WordMedianMapper	Maps words from line of text into a key-value pair; the length of the word as the key, and 1 as the value.
static class	WordMedian.WordMedianReducer	Performs integer summation of all the values for each key.

Constructor Summary

Constructors

Constructor	Description
WordMedian()

Method Summary

Modifier and Type	Method	Description
double	getMedian()
static void	main(java.lang.String[] args)
int	run(java.lang.String[] args)

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Constructor Detail

WordMedian

public WordMedian()

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception

run

public int run(java.lang.String[] args)
        throws java.lang.Exception

Specified by:

run in interface org.apache.hadoop.util.Tool

Throws:

java.lang.Exception

getMedian

public double getMedian()