org.apache.hadoop.examples
Class WordMedian

java.lang.Object
  extended by org.apache.hadoop.conf.Configured
      extended by 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
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
WordMedian()
           
 
Method Summary
 double getMedian()
           
static void main(String[] args)
           
 int run(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(String[] args)
                 throws Exception
Throws:
Exception

run

public int run(String[] args)
        throws Exception
Specified by:
run in interface org.apache.hadoop.util.Tool
Throws:
Exception

getMedian

public double getMedian()


Copyright © 2012 Apache Software Foundation. All Rights Reserved.