## Uses of Class
org.apache.mahout.cf.taste.impl.common.FastIDSet

Packages that use FastIDSet
org.apache.mahout.cf.taste.impl.common
org.apache.mahout.cf.taste.impl.model
org.apache.mahout.cf.taste.impl.model.file
org.apache.mahout.cf.taste.impl.model.jdbc
org.apache.mahout.cf.taste.impl.recommender
org.apache.mahout.cf.taste.impl.recommender.slopeone
org.apache.mahout.cf.taste.impl.recommender.slopeone.file
org.apache.mahout.cf.taste.impl.recommender.slopeone.jdbc
org.apache.mahout.cf.taste.model
org.apache.mahout.cf.taste.recommender
org.apache.mahout.cf.taste.recommender.slopeone

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.common

Methods in org.apache.mahout.cf.taste.impl.common that return FastIDSet
`FastIDSet` `FastIDSet.clone()`

Methods in org.apache.mahout.cf.taste.impl.common with parameters of type FastIDSet
`boolean` `FastIDSet.addAll(FastIDSet c)`
`int` `FastIDSet.intersectionSize(FastIDSet other)` Convenience method to quickly compute just the size of the intersection with another .
`boolean` `FastIDSet.removeAll(FastIDSet c)`
`boolean` `FastIDSet.retainAll(FastIDSet c)`

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.model

Methods in org.apache.mahout.cf.taste.impl.model that return FastIDSet
`FastIDSet` `PlusAnonymousUserDataModel.getItemIDsFromUser(long userID)`
`FastIDSet` `GenericDataModel.getItemIDsFromUser(long userID)`
`FastIDSet` `GenericBooleanPrefDataModel.getItemIDsFromUser(long userID)`

Methods in org.apache.mahout.cf.taste.impl.model that return types with arguments of type FastIDSet
`FastByIDMap<FastIDSet>` `GenericBooleanPrefDataModel.getRawUserData()` This is used mostly internally to the framework, and shouldn't be relied upon otherwise.
`static FastByIDMap<FastIDSet>` `GenericBooleanPrefDataModel.toDataMap(DataModel dataModel)` Exports the simple user IDs and associated item IDs in the data model.
`static FastByIDMap<FastIDSet>` `GenericBooleanPrefDataModel.toDataMap(FastByIDMap<PreferenceArray> data)`

Constructor parameters in org.apache.mahout.cf.taste.impl.model with type arguments of type FastIDSet
`GenericBooleanPrefDataModel(FastByIDMap<FastIDSet> userData)` Creates a new `GenericDataModel` from the given users (and their preferences).
`GenericBooleanPrefDataModel(FastByIDMap<FastIDSet> userData, FastByIDMap<FastByIDMap<java.lang.Long>> timestamps)` Creates a new `GenericDataModel` from the given users (and their preferences).

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.model.file

Methods in org.apache.mahout.cf.taste.impl.model.file that return FastIDSet
`FastIDSet` `FileDataModel.getItemIDsFromUser(long userID)`

Method parameters in org.apache.mahout.cf.taste.impl.model.file with type arguments of type FastIDSet
`protected void` `FileDataModel.processFileWithoutID(FileLineIterator dataOrUpdateFileIterator, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<java.lang.Long>> timestamps)`
`protected void` `FileDataModel.processLineWithoutID(java.lang.String line, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<java.lang.Long>> timestamps)`

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.model.jdbc

Methods in org.apache.mahout.cf.taste.impl.model.jdbc that return FastIDSet
`FastIDSet` `AbstractJDBCDataModel.getItemIDsFromUser(long id)`

Methods in org.apache.mahout.cf.taste.impl.model.jdbc that return types with arguments of type FastIDSet
`FastByIDMap<FastIDSet>` `AbstractJDBCDataModel.exportWithIDsOnly()`

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.recommender

Methods in org.apache.mahout.cf.taste.impl.recommender that return FastIDSet
`protected FastIDSet` `AbstractRecommender.getAllOtherItems(long theUserID)`
`protected FastIDSet` `GenericUserBasedRecommender.getAllOtherItems(long[] theNeighborhood, long theUserID)`
`protected FastIDSet` `GenericBooleanPrefUserBasedRecommender.getAllOtherItems(long[] theNeighborhood, long theUserID)`
`FastIDSet` `SamplingCandidateItemsStrategy.getCandidateItems(long userID, DataModel dataModel)`
`FastIDSet` `PreferredItemsNeighborhoodCandidateItemsStrategy.getCandidateItems(long userID, DataModel dataModel)`
`FastIDSet` `AllUnknownItemsCandidateItemsStrategy.getCandidateItems(long userID, DataModel dataModel)`
`FastIDSet` `TreeClusteringRecommender2.getCluster(long userID)`
`FastIDSet` `TreeClusteringRecommender.getCluster(long userID)`
`FastIDSet[]` `TreeClusteringRecommender2.getClusters()`
`FastIDSet[]` `TreeClusteringRecommender.getClusters()`

Methods in org.apache.mahout.cf.taste.impl.recommender with parameters of type FastIDSet
`double` `NearestNeighborClusterSimilarity.getSimilarity(FastIDSet cluster1, FastIDSet cluster2)`
`double` `FarthestNeighborClusterSimilarity.getSimilarity(FastIDSet cluster1, FastIDSet cluster2)`
`double` `ClusterSimilarity.getSimilarity(FastIDSet cluster1, FastIDSet cluster2)`

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.recommender.slopeone

Methods in org.apache.mahout.cf.taste.impl.recommender.slopeone that return FastIDSet
`FastIDSet` `MemoryDiffStorage.getRecommendableItemIDs(long userID)`

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.recommender.slopeone.file

Methods in org.apache.mahout.cf.taste.impl.recommender.slopeone.file that return FastIDSet
`FastIDSet` `FileDiffStorage.getRecommendableItemIDs(long userID)`

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.recommender.slopeone.jdbc

Methods in org.apache.mahout.cf.taste.impl.recommender.slopeone.jdbc that return FastIDSet
`FastIDSet` `AbstractJDBCDiffStorage.getRecommendableItemIDs(long userID)`

Uses of FastIDSet in org.apache.mahout.cf.taste.model

Methods in org.apache.mahout.cf.taste.model that return FastIDSet
`FastIDSet` `DataModel.getItemIDsFromUser(long userID)`

Methods in org.apache.mahout.cf.taste.model that return types with arguments of type FastIDSet
`FastByIDMap<FastIDSet>` `JDBCDataModel.exportWithIDsOnly()`

Uses of FastIDSet in org.apache.mahout.cf.taste.recommender

Methods in org.apache.mahout.cf.taste.recommender that return FastIDSet
`FastIDSet` `CandidateItemsStrategy.getCandidateItems(long userID, DataModel dataModel)` #return IDs of all items that could be recommended to the user
`FastIDSet` `ClusteringRecommender.getCluster(long userID)` Returns the cluster of users to which the given user, denoted by user ID, belongs.
`FastIDSet[]` `ClusteringRecommender.getClusters()` Returns all clusters of users.

Uses of FastIDSet in org.apache.mahout.cf.taste.recommender.slopeone

Methods in org.apache.mahout.cf.taste.recommender.slopeone that return FastIDSet
`FastIDSet` `DiffStorage.getRecommendableItemIDs(long userID)`

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