pegasus.mapreduce.cc

Class PASmallStarOpt

java.lang.Object

org.apache.hadoop.conf.Configured

pegasus.mapreduce.cc.PASmallStarOpt

All Implemented Interfaces:

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

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

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PASmallStarOpt.PASmallStarCombiner
static class	PASmallStarOpt.PASmallStarMapper
static class	PASmallStarOpt.PASmallStarReducer

Field Summary

Fields

Modifier and Type	Field and Description
long	inputSize
long	inSize
long	numChanges
long	outSize

Constructor Summary

Constructors

Constructor and Description
PASmallStarOpt(org.apache.hadoop.fs.Path input, org.apache.hadoop.fs.Path output, boolean verbose) constructor

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args) the main entry point
int	run(java.lang.String[] args) submit the hadoop job

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

Field Detail

numChanges

public long numChanges

inputSize

public long inputSize

outSize

public long outSize

inSize

public long inSize

Constructor Detail

PASmallStarOpt

public PASmallStarOpt(org.apache.hadoop.fs.Path input,
                      org.apache.hadoop.fs.Path output,
                      boolean verbose)

constructor

Parameters:

input - file path

output - file path

verbose - if true, it prints log verbosely.

Method Detail

main

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

the main entry point

Parameters:

args - [0]: input file path, [1]: output file path, and tool runner parameters inherited from pacc

Throws:

java.lang.Exception - by hadoop

run

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

submit the hadoop job

Specified by:

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

Parameters:

args - tool runner parameters inherited from pacc

Returns:

not used

Throws:

java.lang.Exception - by hadoop