com.github.pmerienne.trident.cf

Class TridentCollaborativeFiltering

java.lang.Object

com.github.pmerienne.trident.cf.TridentCollaborativeFiltering

public class TridentCollaborativeFiltering
extends Object

Author:

pmerienne

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TridentCollaborativeFiltering.Options

Field Summary

Fields

Modifier and Type	Field and Description
static String	ITEM_FIELD
static String	RECOMMENDED_ITEMS_FIELD
static String	SIMILARITY_FIELD
static String	USER_FIELD
static String	USER2_FIELD

Constructor Summary

Constructors

Constructor and Description
TridentCollaborativeFiltering(storm.trident.TridentTopology topology)
TridentCollaborativeFiltering(storm.trident.TridentTopology topology, TridentCollaborativeFiltering.Options options)

Method Summary

Methods

Modifier and Type	Method and Description
void	appendCollaborativeFilteringTopology(storm.trident.Stream preferenceStream, storm.trident.Stream similaritiesUpdateStream)
void	appendUpdateUserPreferencesTopology(storm.trident.Stream preferenceStream)
void	appendUpdateUserSimilaritiesTopology(storm.trident.Stream updateSimilaritiesStream)
storm.trident.Stream	createItemRecommendationStream(storm.trident.Stream queryStream, int nbItems, int neighborhoodSize)
storm.trident.Stream	createUserSimilarityStream(storm.trident.Stream queryStream)
protected void	initStaticStates(storm.trident.TridentTopology topology)
void	registerKryoSerializers(backtype.storm.Config config)

Methods inherited from class java.lang.Object

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

Field Detail

USER_FIELD

public static final String USER_FIELD

See Also:

Constant Field Values

ITEM_FIELD

public static final String ITEM_FIELD

See Also:

Constant Field Values

USER2_FIELD

public static final String USER2_FIELD

See Also:

Constant Field Values

SIMILARITY_FIELD

public static final String SIMILARITY_FIELD

See Also:

Constant Field Values

RECOMMENDED_ITEMS_FIELD

public static final String RECOMMENDED_ITEMS_FIELD

See Also:

Constant Field Values

Constructor Detail

TridentCollaborativeFiltering

public TridentCollaborativeFiltering(storm.trident.TridentTopology topology,
                             TridentCollaborativeFiltering.Options options)

TridentCollaborativeFiltering

public TridentCollaborativeFiltering(storm.trident.TridentTopology topology)

Method Detail

registerKryoSerializers

public void registerKryoSerializers(backtype.storm.Config config)

initStaticStates

protected void initStaticStates(storm.trident.TridentTopology topology)

appendCollaborativeFilteringTopology

public void appendCollaborativeFilteringTopology(storm.trident.Stream preferenceStream,
                                        storm.trident.Stream similaritiesUpdateStream)

appendUpdateUserPreferencesTopology

public void appendUpdateUserPreferencesTopology(storm.trident.Stream preferenceStream)

appendUpdateUserSimilaritiesTopology

public void appendUpdateUserSimilaritiesTopology(storm.trident.Stream updateSimilaritiesStream)

createUserSimilarityStream

public storm.trident.Stream createUserSimilarityStream(storm.trident.Stream queryStream)

createItemRecommendationStream

public storm.trident.Stream createItemRecommendationStream(storm.trident.Stream queryStream,
                                                  int nbItems,
                                                  int neighborhoodSize)