Deprecated API

Contents

• Deprecated Interfaces
• Deprecated Classes
• Deprecated Methods
• Deprecated Constructors
• Deprecated Enum Constants

Deprecated Interfaces

Interface and Description
org.lenskit.data.dao.EventDAO Use new DataAccessObject.
org.lenskit.data.dao.ItemDAO Use new DataAccessObject.
org.lenskit.data.dao.ItemEventDAO Use new DataAccessObject.
org.lenskit.data.dao.ItemNameDAO
org.grouplens.lenskit.scored.ScoredId Scored IDs are going away in LensKit 3.0.
org.lenskit.data.dao.UserDAO Use the new DataAccessObject.
org.lenskit.data.dao.UserEventDAO Use DataAccessObject.

Deprecated Classes

Class and Description
org.grouplens.lenskit.scored.AbstractScoredId Scored IDs are going away in LensKit 3.0.
org.grouplens.lenskit.collections.BitSetIterator Will be moved or removed in LensKit 3.0.
org.grouplens.lenskit.collections.CollectionUtils Collection utils have been moved to lenskit-core.
org.grouplens.lenskit.symbols.DoubleSymbolValue Symbols are going away in LensKit 3.0.
org.grouplens.lenskit.vectors.ImmutableSparseVector Use maps instead.
org.grouplens.lenskit.collections.LongKeyDomain Replaced by LongKeyIndex.
org.grouplens.lenskit.collections.LongUtils Replaced by equivalent class in lenskit-core.
org.grouplens.lenskit.cli.Main Use Main.
org.grouplens.lenskit.collections.MoreArrays Methods in this class still in use will be migrated to lenskit-core.
org.grouplens.lenskit.vectors.MutableSparseVector Use maps instead
org.grouplens.lenskit.scored.PackedScoredIdList Scored IDs are going away in LensKit 3.0.
org.lenskit.data.dao.PrefetchingItemDAO
org.grouplens.lenskit.scored.ScoredIdBuilder Scored IDs are going away in LensKit 3.0.
org.grouplens.lenskit.scored.ScoredIdListBuilder Scored IDs are going away in LensKit 3.0.
org.grouplens.lenskit.scored.ScoredIds Scored IDs are going away in LensKit 3.0.
org.grouplens.lenskit.vectors.SparseVector Use maps instead.
org.grouplens.lenskit.symbols.Symbol Symbols are being removed in LensKit 3.0.
org.grouplens.lenskit.symbols.SymbolValue Symbols are going away in LensKit 3.0.
org.grouplens.lenskit.symbols.TypedSymbol Symbols are going away in LensKit 3.0.

Deprecated Methods

Method and Description
org.lenskit.LenskitRecommenderEngineBuilder.build() Use LenskitRecommenderEngineBuilder.build(DataAccessObject)
org.lenskit.LenskitRecommender.build(LenskitConfiguration) Use LenskitRecommender.build(LenskitConfiguration, DataAccessObject)
org.lenskit.LenskitConfiguration.buildGraph() This shouldn’t be used anymore.
org.lenskit.data.ratings.Rating.create(long, long, double) Use EntityFactory.rating(long, long, double)
org.lenskit.data.ratings.Rating.create(long, long, double, long) Use EntityFactory.rating(long, long, double, long)
org.lenskit.LenskitRecommenderEngine.createRecommender() Use LenskitRecommenderEngine.createRecommender(DataAccessObject)
org.lenskit.data.ratings.Rating.createUnrate(long, long, long) Unrates have gone away.
org.grouplens.lenskit.vectors.SparseVector.fast() Fast iteration is going away.
org.grouplens.lenskit.vectors.SparseVector.fast(VectorEntry.State) Fast iteration is going away.
org.grouplens.lenskit.vectors.SparseVector.fastIterator() Fast iteration is going away.
org.grouplens.lenskit.vectors.SparseVector.fastIterator(VectorEntry.State) Fast iteration is going away.
org.lenskit.inject.RecommenderInstantiator.forConfig(LenskitConfiguration)
org.lenskit.util.keys.LongSortedArraySet.getDomain() Use LongSortedArraySet.getIndex().
org.lenskit.knn.item.model.ItemItemBuildContext.getItemPairIterator() This will go away in LensKit 3.0.
org.lenskit.knn.item.model.ItemItemBuildContext.getItemPairs() This will go away in LensKit 3.0.
org.lenskit.data.ratings.Rating.hasValue() Unrates have gone away.
org.lenskit.inject.AbstractConfigContext.in(Annotation, Class<?>)
org.lenskit.LenskitConfigContext.in(Annotation, Class<?>)
org.lenskit.inject.AbstractConfigContext.in(Class<?>)
org.lenskit.LenskitConfigContext.in(Class<?>)
org.lenskit.inject.AbstractConfigContext.in(Class<? extends Annotation>, Class<?>)
org.lenskit.LenskitConfigContext.in(Class<? extends Annotation>, Class<?>)
org.grouplens.lenskit.util.io.LKFileUtils.isCompressed(File) Use CompressionMode or commons-compress facilities instead.
org.lenskit.config.ConfigurationLoader.load(Closure<?>) Use ConfigHelpers.load(groovy.lang.Closure) instead.
org.lenskit.LenskitRecommenderEngine.load(File, ClassLoader) Use LenskitRecommenderEngineLoader for sophisticated loading.
org.lenskit.config.ConfigHelpers.load(String) Loading from Groovy source strings is confusing.
org.lenskit.config.ConfigurationLoader.load(String) Loading from Groovy sources as strings is confusing.
org.lenskit.data.ratings.Ratings.make(long, long, double) Use Rating.create(long, long, double).
org.lenskit.data.ratings.Ratings.make(long, long, double, long) Use Rating.create(long, long, double, long)
org.lenskit.transform.normalize.ItemVectorNormalizer.makeTransformation(long, SparseVector) Use ItemVectorNormalizer.makeTransformation(long, Long2DoubleMap).
org.lenskit.transform.normalize.UserVectorNormalizer.makeTransformation(long, SparseVector) Use UserVectorNormalizer.makeTransformation(long, Long2DoubleMap).
org.lenskit.transform.normalize.VectorNormalizer.makeTransformation(SparseVector) Use VectorNormalizer.makeTransformation(Long2DoubleMap).
org.lenskit.transform.normalize.ItemVectorNormalizer.normalize(long, SparseVector, MutableSparseVector) Old vectors are going away.
org.lenskit.transform.normalize.UserVectorNormalizer.normalize(long, SparseVector, MutableSparseVector) Old vectors are going away.
org.lenskit.transform.normalize.VectorNormalizer.normalize(SparseVector, MutableSparseVector) Old vectors are going away.
org.lenskit.data.dao.EntityQueryBuilder.setEntityType(EntityType) Just provide a type at construction time.

Deprecated Constructors

Constructor and Description
org.lenskit.data.dao.EventCollectionDAO(Collection<? extends Event>) use EventCollectionDAO.create(Collection) instead
org.grouplens.lenskit.data.sql.JDBCRatingDAO(Connection, SQLStatementFactory) Use JDBCRatingDAO.newBuilder().
org.grouplens.lenskit.data.sql.JDBCRatingDAO(Connection, SQLStatementFactory, boolean) Use JDBCRatingDAO.newBuilder().
org.lenskit.util.keys.Long2DoubleSortedArrayMap(Map<Long, Double>)
org.lenskit.knn.item.model.SimilarityMatrixModel(SortedKeyIndex, List<Long2DoubleMap>) This is deprecated for public usage. It is better to use the other constructor.

Deprecated Enum Constants

Enum Constant and Description
org.lenskit.data.dao.SortOrder.ANY
org.lenskit.data.dao.SortOrder.ITEM
org.lenskit.data.dao.SortOrder.TIMESTAMP
org.lenskit.data.dao.SortOrder.USER