org.apache.mahout.cf.taste.hadoop.preparation

Class PreparePreferenceMatrixJob

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.mahout.common.AbstractJob

org.apache.mahout.cf.taste.hadoop.preparation.PreparePreferenceMatrixJob

All Implemented Interfaces:

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

public class PreparePreferenceMatrixJob
extends AbstractJob

Field Summary

Fields

Modifier and Type	Field and Description
static String	ITEMID_INDEX
static String	NUM_USERS
static String	RATING_MATRIX
static String	USER_VECTORS

Fields inherited from class org.apache.mahout.common.AbstractJob

argMap, inputFile, inputPath, outputFile, outputPath, tempPath

Constructor Summary

Constructors

Constructor and Description
PreparePreferenceMatrixJob()

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args)
int	run(String[] args)

Methods inherited from class org.apache.mahout.common.AbstractJob

addFlag, addInputOption, addOption, addOption, addOption, addOption, addOutputOption, buildOption, buildOption, getAnalyzerClassFromOption, getCLIOption, getConf, getDimensions, getFloat, getFloat, getGroup, getInputFile, getInputPath, getInt, getInt, getOption, getOption, getOption, getOptions, getOutputFile, getOutputPath, getOutputPath, getTempPath, getTempPath, hasOption, keyFor, maybePut, parseArguments, parseArguments, parseDirectories, prepareJob, prepareJob, prepareJob, prepareJob, setConf, setS3SafeCombinedInputPath, shouldRunNextPhase

Methods inherited from class java.lang.Object

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

Field Detail

NUM_USERS

public static final String NUM_USERS

See Also:

Constant Field Values

ITEMID_INDEX

public static final String ITEMID_INDEX

See Also:

Constant Field Values

USER_VECTORS

public static final String USER_VECTORS

See Also:

Constant Field Values

RATING_MATRIX

public static final String RATING_MATRIX

See Also:

Constant Field Values

Constructor Detail

PreparePreferenceMatrixJob

public PreparePreferenceMatrixJob()

Method Detail

main

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

Throws:

Exception

run

public int run(String[] args)
        throws Exception

Throws:

Exception