org.apache.mahout.cf.taste.impl.recommender.svd

Class ParallelSGDFactorizer.PreferenceShuffler

java.lang.Object

org.apache.mahout.cf.taste.impl.recommender.svd.ParallelSGDFactorizer.PreferenceShuffler

Enclosing class:

ParallelSGDFactorizer

protected static class ParallelSGDFactorizer.PreferenceShuffler
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected RandomWrapper	random

Constructor Summary

Constructors

Constructor and Description
PreferenceShuffler(DataModel dataModel)

Method Summary

Modifier and Type	Method and Description
Preference	get(int i)
void	shuffle()
int	size()
void	stage()

Methods inherited from class java.lang.Object

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

Field Detail

random

protected final RandomWrapper random

Constructor Detail

PreferenceShuffler

public PreferenceShuffler(DataModel dataModel)
                   throws TasteException

Throws:

TasteException

Method Detail

shuffle

public final void shuffle()

stage

public final void stage()

get

public Preference get(int i)

size

public int size()