public CachingUserNeighborhood(IUserNeighborhood neighborhood, IDataModel dataModel)
{
//Preconditions.checkArgument(neighborhood != null, "neighborhood is null");
this.neighborhood = neighborhood;
int maxCacheSize = dataModel.GetNumUsers(); // just a dumb heuristic for sizing
this.neighborhoodCache = new Cache <long, long[]>(new NeighborhoodRetriever(neighborhood), maxCacheSize);
}
public GenericUserBasedRecommender(IDataModel dataModel,
IUserNeighborhood neighborhood,
IUserSimilarity similarity) : base(dataModel)
{
//Preconditions.checkArgument(neighborhood != null, "neighborhood is null");
this.neighborhood = neighborhood;
this.similarity = similarity;
this.refreshHelper = new RefreshHelper(() => {
capper = buildCapper();
});
refreshHelper.AddDependency(dataModel);
refreshHelper.AddDependency(similarity);
refreshHelper.AddDependency(neighborhood);
capper = buildCapper();
}
internal NeighborhoodRetriever(IUserNeighborhood neighborhood)
{
this.neighborhood = neighborhood;
}
public GenericBooleanPrefUserBasedRecommender(IDataModel dataModel,
IUserNeighborhood neighborhood,
IUserSimilarity similarity)
: base(dataModel, neighborhood, similarity)
{
}
public GenericBooleanPrefUserBasedRecommender(IDataModel dataModel,
IUserNeighborhood neighborhood,
IUserSimilarity similarity)
: base(dataModel, neighborhood, similarity) {
}
