org.apache.mahout.math.hadoop

Class TransposeJob

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.mahout.common.AbstractJob

org.apache.mahout.math.hadoop.TransposeJob

All Implemented Interfaces:

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

public class TransposeJob
extends AbstractJob

Transpose a matrix

Field Summary

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

argMap, inputFile, inputPath, outputFile, outputPath, tempPath

Constructor Summary

Constructors

Constructor and Description
TransposeJob()

Method Summary

Methods

Modifier and Type	Method and Description
static org.apache.hadoop.mapreduce.Job	buildTransposeJob(org.apache.hadoop.conf.Configuration initialConf, org.apache.hadoop.fs.Path matrixInputPath, org.apache.hadoop.fs.Path matrixOutputPath, int numInputRows)
static org.apache.hadoop.mapreduce.Job	buildTransposeJob(org.apache.hadoop.fs.Path matrixInputPath, org.apache.hadoop.fs.Path matrixOutputPath, int numInputRows)
static void	main(String[] args)
int	run(String[] strings)

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

Constructor Detail

TransposeJob

public TransposeJob()

Method Detail

main

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

Throws:

Exception

run

public int run(String[] strings)
        throws Exception

Throws:

Exception

buildTransposeJob

public static org.apache.hadoop.mapreduce.Job buildTransposeJob(org.apache.hadoop.fs.Path matrixInputPath,
                                                org.apache.hadoop.fs.Path matrixOutputPath,
                                                int numInputRows)
                                                         throws IOException

Throws:

IOException

buildTransposeJob

public static org.apache.hadoop.mapreduce.Job buildTransposeJob(org.apache.hadoop.conf.Configuration initialConf,
                                                org.apache.hadoop.fs.Path matrixInputPath,
                                                org.apache.hadoop.fs.Path matrixOutputPath,
                                                int numInputRows)
                                                         throws IOException

Throws:

IOException