org.apache.hadoop.hbase.mapred

Class RowCounter

java.lang.Object

Configured

org.apache.hadoop.hbase.mapred.RowCounter

@InterfaceAudience.Public
 @InterfaceStability.Stable
public class RowCounter
extends Configured

A job with a map to count rows. Map outputs table rows IF the input row has columns that have content. Uses org.apache.hadoop.mapred.lib.IdentityReducer

Constructor Summary

Constructors

Constructor and Description
RowCounter()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

RowCounter

public RowCounter()

Method Detail

createSubmittableJob

public JobConf createSubmittableJob(java.lang.String[] args)
                             throws java.io.IOException

Parameters:

args -

Returns:

the JobConf

Throws:

java.io.IOException

run

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

Throws:

java.lang.Exception

main

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

Parameters:

args -

Throws:

java.lang.Exception