es.uam.eps.ir.ranksys.nn.user.neighborhood

Class CachedUserNeighborhood<U>

java.lang.Object

es.uam.eps.ir.ranksys.nn.user.neighborhood.UserNeighborhood<U>

es.uam.eps.ir.ranksys.nn.user.neighborhood.CachedUserNeighborhood<U>

Type Parameters:

U - type of the users

All Implemented Interfaces:

UserIndex<U>, FastUserIndex<U>, Neighborhood

public class CachedUserNeighborhood<U>
extends UserNeighborhood<U>

Cached user similarity. See CachedNeighborhood.

Author:

Saúl Vargas (saul.vargas@uam.es)

Field Summary

Fields inherited from class es.uam.eps.ir.ranksys.nn.user.neighborhood.UserNeighborhood

neighborhood, uIndex

Constructor Summary

Constructors

Constructor and Description
CachedUserNeighborhood(FastUserIndex<U> uIndex, Stream<org.jooq.lambda.tuple.Tuple2<U,Stream<Tuple2od<U>>>> neighborhoods) Constructor that caches a stream of previously calculated neighborhoods.
CachedUserNeighborhood(UserNeighborhood<U> neighborhood) Constructor that calculates and caches user neighborhoods.

Method Summary

Methods inherited from class es.uam.eps.ir.ranksys.nn.user.neighborhood.UserNeighborhood

getNeighbors, getNeighbors, numUsers, uidx2user, user2uidx

Methods inherited from class java.lang.Object

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

Methods inherited from interface es.uam.eps.ir.ranksys.fast.index.FastUserIndex

containsUser, getAllUidx, getAllUsers, uidx2user, uidx2user, user2uidx, user2uidx

Constructor Detail

CachedUserNeighborhood

public CachedUserNeighborhood(UserNeighborhood<U> neighborhood)

Constructor that calculates and caches user neighborhoods.

Parameters:

neighborhood - user neighborhood to be cached

CachedUserNeighborhood

public CachedUserNeighborhood(FastUserIndex<U> uIndex,
                              Stream<org.jooq.lambda.tuple.Tuple2<U,Stream<Tuple2od<U>>>> neighborhoods)

Constructor that caches a stream of previously calculated neighborhoods.

Parameters:

uIndex - fast user index

neighborhoods - stream of already calculated neighborhoods