org.apache.hadoop.hbase.mapreduce
Class RowCounter

java.lang.Object
  extended by org.apache.hadoop.hbase.mapreduce.RowCounter

public class RowCounter
extends Object

A job with a just a map phase to count rows. Map outputs table rows IF the input row has columns that have content.


Constructor Summary
RowCounter()
           
 
Method Summary
static org.apache.hadoop.mapreduce.Job createSubmittableJob(org.apache.hadoop.conf.Configuration conf, String[] args)
          Sets up the actual job.
static void main(String[] args)
          Main entry point.
 
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 static org.apache.hadoop.mapreduce.Job createSubmittableJob(org.apache.hadoop.conf.Configuration conf,
                                                                   String[] args)
                                                            throws IOException
Sets up the actual job.

Parameters:
conf - The current configuration.
args - The command line parameters.
Returns:
The newly created job.
Throws:
IOException - When setting up the job fails.

main

public static void main(String[] args)
                 throws Exception
Main entry point.

Parameters:
args - The command line parameters.
Throws:
Exception - When running the job fails.


Copyright © 2011 The Apache Software Foundation. All Rights Reserved.