moa.recommender.rc.data

Class AbstractRecommenderData

java.lang.Object

moa.recommender.rc.data.AbstractRecommenderData

All Implemented Interfaces:

Serializable, RecommenderData

Direct Known Subclasses:

MemRecommenderData

public abstract class AbstractRecommenderData
extends Object
implements RecommenderData

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	disableUpdates
protected ArrayList<Updatable>	updatables

Constructor Summary

Constructors

Constructor and Description
AbstractRecommenderData()

Method Summary

Methods

Modifier and Type	Method and Description
void	addItem(int itemID, List<Integer> ratingUsers, List<Double> ratings)
void	addUser(int userID, List<Integer> ratedItems, List<Double> ratings)
void	attachUpdatable(Updatable obj)
void	clear()
void	close()
void	disableUpdates(boolean disable)
void	removeItem(int itemID)
void	removeRating(int userID, int itemID)
void	removeUser(int userID)
void	setRating(int userID, int itemID, double rating)

Methods inherited from class java.lang.Object

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

Methods inherited from interface moa.recommender.rc.data.RecommenderData

countRatingsItem, countRatingsUser, getAvgRatingItem, getAvgRatingUser, getGlobalMean, getItems, getMaxRating, getMinRating, getNumItems, getNumRatings, getNumUsers, getRating, getRatingsItem, getRatingsUser, getUsers, itemExists, ratingIterator, userExists

Field Detail

updatables

protected ArrayList<Updatable> updatables

disableUpdates

protected boolean disableUpdates

Constructor Detail

AbstractRecommenderData

public AbstractRecommenderData()

Method Detail

disableUpdates

public void disableUpdates(boolean disable)

Specified by:

disableUpdates in interface RecommenderData

addUser

public void addUser(int userID,
           List<Integer> ratedItems,
           List<Double> ratings)

Specified by:

addUser in interface RecommenderData

removeUser

public void removeUser(int userID)

Specified by:

removeUser in interface RecommenderData

addItem

public void addItem(int itemID,
           List<Integer> ratingUsers,
           List<Double> ratings)

Specified by:

addItem in interface RecommenderData

removeItem

public void removeItem(int itemID)

Specified by:

removeItem in interface RecommenderData

setRating

public void setRating(int userID,
             int itemID,
             double rating)

Specified by:

setRating in interface RecommenderData

removeRating

public void removeRating(int userID,
                int itemID)

Specified by:

removeRating in interface RecommenderData

attachUpdatable

public void attachUpdatable(Updatable obj)

Specified by:

attachUpdatable in interface RecommenderData

clear

public void clear()

Specified by:

clear in interface RecommenderData

close

public void close()

Specified by:

close in interface RecommenderData