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

Class PreferredItemsNeighborhoodCandidateItemsStrategy

java.lang.Object

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

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

All Implemented Interfaces:

Refreshable, CandidateItemsStrategy, MostSimilarItemsCandidateItemsStrategy

public final class PreferredItemsNeighborhoodCandidateItemsStrategy
extends AbstractCandidateItemsStrategy

Constructor Summary

Constructors

Constructor and Description
PreferredItemsNeighborhoodCandidateItemsStrategy()

Method Summary

Modifier and Type	Method and Description
protected FastIDSet	doGetCandidateItems(long[] preferredItemIDs, DataModel dataModel, boolean includeKnownItems) returns all items that have not been rated by the user and that were preferred by another user that has preferred at least one item that the current user has preferred too

Methods inherited from class org.apache.mahout.cf.taste.impl.recommender.AbstractCandidateItemsStrategy

doGetCandidateItems, getCandidateItems, getCandidateItems, refresh

Methods inherited from class java.lang.Object

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

Constructor Detail

PreferredItemsNeighborhoodCandidateItemsStrategy

public PreferredItemsNeighborhoodCandidateItemsStrategy()

Method Detail

doGetCandidateItems

protected FastIDSet doGetCandidateItems(long[] preferredItemIDs,
                                        DataModel dataModel,
                                        boolean includeKnownItems)
                                 throws TasteException

returns all items that have not been rated by the user and that were preferred by another user that has preferred at least one item that the current user has preferred too

Specified by:

doGetCandidateItems in class AbstractCandidateItemsStrategy

Throws:

TasteException