edu.umd.cloud9.example.simple

Class DemoWordCountJson

java.lang.Object

org.apache.hadoop.conf.Configured

edu.umd.cloud9.example.simple.DemoWordCountJson

All Implemented Interfaces:

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

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

Modified word count demo designed to work with DemoPackJson. Counts words on even-length or odd-length lines to demonstrate use of specialized intermediate data structures.

Author:

Jimmy Lin

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DemoWordCountJson.MyKey
protected static class	DemoWordCountJson.MyMapper
protected static class	DemoWordCountJson.MyReducer

Constructor Summary

Constructors

Constructor and Description
DemoWordCountJson() Creates an instance of this tool.

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args) Dispatches command-line arguments to the tool via the ToolRunner.
int	run(String[] args) Runs this tool.

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

DemoWordCountJson

public DemoWordCountJson()

Creates an instance of this tool.

Method Detail

run

public int run(String[] args)
        throws Exception

Runs this tool.

Specified by:

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

Throws:

Exception

main

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

Dispatches command-line arguments to the tool via the ToolRunner.

Throws:

Exception