org.apache.tez.examples

Class WordCount

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.tez.examples.WordCount

All Implemented Interfaces:

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

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

Simple example to perform WordCount using Tez API's. WordCount is the HelloWorld program of distributed data processing and counts the number of occurrences of a word in a distributed text data set.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WordCount.SumProcessor
static class	WordCount.TokenProcessor

Constructor Summary

Constructors

Constructor and Description
WordCount()

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args)
int	run(String[] args)
boolean	run(String inputPath, String outputPath, org.apache.hadoop.conf.Configuration conf, int numPartitions)

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

WordCount

public WordCount()

Method Detail

run

public boolean run(String inputPath,
          String outputPath,
          org.apache.hadoop.conf.Configuration conf,
          int numPartitions)
            throws Exception

Throws:

Exception

run

public int run(String[] args)
        throws Exception

Specified by:

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

Throws:

Exception

main

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

Throws:

Exception