gov.llnl.ontology.mapreduce.stats
Class ExtractKeysMR

java.lang.Object
  org.apache.hadoop.conf.Configured
      gov.llnl.ontology.mapreduce.CorpusTableMR
          gov.llnl.ontology.mapreduce.stats.ExtractKeysMR

All Implemented Interfaces:

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

public class ExtractKeysMR
extends CorpusTableMR

Author:

Keith Stevens

Nested Class Summary

static class

ExtractKeysMR.ExtractKeysMapper

Nested classes/interfaces inherited from class gov.llnl.ontology.mapreduce.CorpusTableMR

CorpusTableMR.CorpusTableMapper<K,V>

Field Summary

Fields inherited from class gov.llnl.ontology.mapreduce.CorpusTableMR

CONF_PREFIX, TABLE

Constructor Summary

ExtractKeysMR()

Method Summary

static void	main(String[] args) Runs the ExtractKeysMR.
protected Class	mapperClass() Returns the Class object for the Mapper task.
protected Class	mapperKeyClass() Returns the Class object for the Mapper Value of this task.
protected Class	mapperValueClass() Returns the Class object for the Mapper Value of this task.
protected void	setupReducer(String tableName, org.apache.hadoop.mapreduce.Job job, MRArgOptions options) Sets up the Reducer for this job.

Methods inherited from class gov.llnl.ontology.mapreduce.CorpusTableMR

addOptions, jobName, run, setupConfiguration, validateOptions

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

ExtractKeysMR

public ExtractKeysMR()

Method Detail

main

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

Runs the ExtractKeysMR.

Throws:

Exception

mapperClass

protected Class mapperClass()

Returns the Class object for the Mapper task.

Specified by:

mapperClass in class CorpusTableMR

mapperKeyClass

protected Class mapperKeyClass()

Returns the Class object for the Mapper Value of this task.

Overrides:

mapperKeyClass in class CorpusTableMR

mapperValueClass

protected Class mapperValueClass()

Returns the Class object for the Mapper Value of this task.

Overrides:

mapperValueClass in class CorpusTableMR

setupReducer

protected void setupReducer(String tableName,
                            org.apache.hadoop.mapreduce.Job job,
                            MRArgOptions options)

Sets up the Reducer for this job.

Overrides:

setupReducer in class CorpusTableMR