gov.llnl.ontology.mapreduce.ingest
Class OneLinePerDocExtractorMR

java.lang.Object
  org.apache.hadoop.conf.Configured
      gov.llnl.ontology.mapreduce.CorpusTableMR
          gov.llnl.ontology.mapreduce.ingest.OneLinePerDocExtractorMR

All Implemented Interfaces:

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

public class OneLinePerDocExtractorMR
extends CorpusTableMR

Author:

Keith Stevens

Nested Class Summary

static class

OneLinePerDocExtractorMR.OneLinePerDocExtractorMRMapper The TableMapper responsible for the real work.

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

CorpusTableMR.CorpusTableMapper<K,V>

Field Summary

static String	ABOUT
static String	MR_NAME
static String	USE_HEADER

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

CONF_PREFIX, TABLE

Constructor Summary

OneLinePerDocExtractorMR()

Method Summary

protected void	addOptions(MRArgOptions options) Add more command line arguments.
protected String	jobName() Returns a descriptive job name for this map reduce task.
static void	main(String[] args) Runs the TokenCountMR.
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	setupConfiguration(MRArgOptions options, org.apache.hadoop.conf.Configuration conf) Copies command line arguments to a Configuration so that Map/Reduce jobs can utilize the values set.
protected void	setupReducer(String tableName, org.apache.hadoop.mapreduce.Job job, MRArgOptions options) Sets up the Reducer for this job.
protected void	validateOptions(MRArgOptions options) Returns true if the MRArgOptions contains a valid value for each requried option.

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

run

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

USE_HEADER

public static final String USE_HEADER

See Also:

Constant Field Values

ABOUT

public static final String ABOUT

See Also:

Constant Field Values

MR_NAME

public static final String MR_NAME

See Also:

Constant Field Values

Constructor Detail

OneLinePerDocExtractorMR

public OneLinePerDocExtractorMR()

Method Detail

main

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

Runs the TokenCountMR.

Throws:

Exception

addOptions

protected void addOptions(MRArgOptions options)

Description copied from class: CorpusTableMR

Add more command line arguments. By default, this adds no options.

Overrides:

addOptions in class CorpusTableMR

validateOptions

protected void validateOptions(MRArgOptions options)

Returns true if the MRArgOptions contains a valid value for each requried option. By default, this does no validation.

Overrides:

validateOptions in class CorpusTableMR

jobName

protected String jobName()

Returns a descriptive job name for this map reduce task.

Overrides:

jobName in class CorpusTableMR

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

setupConfiguration

protected void setupConfiguration(MRArgOptions options,
                                  org.apache.hadoop.conf.Configuration conf)

Copies command line arguments to a Configuration so that Map/Reduce jobs can utilize the values set. By default, this does no configuration.

Overrides:

setupConfiguration 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