Deprecated API

Contents

• Deprecated Interfaces
• Deprecated Classes
• Deprecated Annotation Types
• Deprecated Methods
• Deprecated Constructors

Deprecated Interfaces

Interface and Description
org.grouplens.lenskit.collections.FastCollection Just implement FastIterable.
org.grouplens.lenskit.collections.FastIterable Fast iteration has gone away.
org.grouplens.lenskit.util.Index Use IdIndexMapping instead.

Deprecated Classes

Class and Description
org.grouplens.lenskit.collections.CopyingFastCollection Fast iteration is going away.
org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor Use the code in org.grouplens.lenskit.data.text.
org.grouplens.lenskit.eval.cli.EvalCLI Use lenskit eval from the lenskit-cli package.
org.grouplens.lenskit.vectors.ImmutableVec Use vectorz instead.
org.grouplens.lenskit.util.Indexer Use MutableIdIndexMapping instead.
org.grouplens.lenskit.vectors.MutableVec Use vectorz instead.
org.grouplens.lenskit.data.dao.SimpleFileItemDAOProvider Use SimpleFileItemDAOProvider instead.
org.grouplens.lenskit.data.dao.SimpleFileRatingDAO Use TextEventDAO instead.
org.grouplens.lenskit.data.dao.SimpleFileUserDAOProvider Use SimpleFileUserDAOProvider instead.
org.grouplens.lenskit.vectors.Vec Use vectorz instead.

Deprecated Annotation Types

Annotation Type and Description
org.grouplens.lenskit.data.dao.ItemFile Use org.grouplens.lenskit.data.text instead.
org.grouplens.lenskit.data.dao.UserFile Use org.grouplens.lenskit.data.text instead.

Deprecated Methods

Method and Description
org.grouplens.lenskit.eval.traintest.TrainTestEvalTask.addWritePredictionChannel(Symbol, String) Use the predictions metric.
org.grouplens.lenskit.core.LenskitConfiguration.buildGraph() This shouldn't be used anymore.
org.grouplens.lenskit.collections.CollectionUtils.emptyFastCollection() Just use a standard empty collection.
org.grouplens.lenskit.cursors.AbstractCursor.fast()
org.grouplens.lenskit.cursors.Cursor.fast() Fast iteration is going away.
org.grouplens.lenskit.vectors.SparseVector.fast() Fast iteration is going away.
org.grouplens.lenskit.collections.CollectionUtils.fast(Iterable<E>) Fast iteration has gone away. This method now does nothing.
org.grouplens.lenskit.vectors.SparseVector.fast(VectorEntry.State) Fast iteration is going away.
org.grouplens.lenskit.collections.CollectionUtils.fastFilterAndLimit(Iterable<E>, Predicate<? super E>, int) Fast iteration has gone away.
org.grouplens.lenskit.collections.FastIterable.fastIterator() Fast iteration has gone away.
org.grouplens.lenskit.scored.PackedScoredIdList.fastIterator()
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.grouplens.lenskit.cursors.AbstractCursor.fastNext()
org.grouplens.lenskit.cursors.AbstractPollingCursor.fastNext()
org.grouplens.lenskit.cursors.Cursor.fastNext() Fast iteration is going away
org.grouplens.lenskit.inject.RecommenderInstantiator.forConfig(LenskitConfiguration)
org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.getItemPairIterator() This will go away in LensKit 3.0.
org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.getItemPairs() This will go away in LensKit 3.0.
org.grouplens.lenskit.core.LenskitConfigContext.in(Annotation, Class<?>)
org.grouplens.lenskit.inject.AbstractConfigContext.in(Annotation, Class<?>)
org.grouplens.lenskit.core.LenskitConfigContext.in(Class<?>)
org.grouplens.lenskit.inject.AbstractConfigContext.in(Class<?>)
org.grouplens.lenskit.core.LenskitConfigContext.in(Class<? extends Annotation>, Class<?>)
org.grouplens.lenskit.inject.AbstractConfigContext.in(Class<? extends Annotation>, Class<?>)
org.grouplens.lenskit.util.io.LKFileUtils.isCompressed(File) Use CompressionMode or commons-compress facilities instead.
org.grouplens.lenskit.config.ConfigurationLoader.load(Closure<?>) Use ConfigHelpers.load(groovy.lang.Closure) instead.
org.grouplens.lenskit.core.LenskitRecommenderEngine.load(File, ClassLoader) Use LenskitRecommenderEngineLoader for sophisticated loading.
org.grouplens.lenskit.core.LenskitRecommenderEngine.load(InputStream, ClassLoader) Use LenskitRecommenderEngineLoader for sophisticated loading.
org.grouplens.lenskit.config.ConfigHelpers.load(String) Loading from Groovy source strings is confusing.
org.grouplens.lenskit.config.ConfigurationLoader.load(String) Loading from Groovy sources as strings is confusing.
org.grouplens.lenskit.eval.ExecutionInfo.Builder.setAlgoAttributes(Map<String, Object>)
org.grouplens.lenskit.eval.ExecutionInfo.Builder.setAlgoName(String)
org.grouplens.lenskit.data.source.CSVDataSourceBuilder.setCache(boolean)
org.grouplens.lenskit.eval.traintest.TrainTestEvalTask.setIsolate(boolean) Isolate data sets instead.
org.grouplens.lenskit.eval.traintest.TrainTestEvalTask.setPredictOutput(File)
org.grouplens.lenskit.eval.traintest.TrainTestEvalTask.setPredictOutput(String)
org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder.setPreload(boolean) This method doesn't do anything anymore. Pack rating data if you want preloading.
org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate.setPreload(boolean)
org.grouplens.lenskit.eval.traintest.TrainTestEvalTask.setRecommendOutput(File)
org.grouplens.lenskit.eval.traintest.TrainTestEvalTask.setRecommendOutput(String)
org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask.setSplitUsers(boolean) Use CrossfoldTask.setMethod(CrossfoldMethod) instead.

Deprecated Constructors

Constructor and Description
org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor(BufferedReader, String, String) Inheriting from this class is deprecated.
org.grouplens.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.grouplens.lenskit.knn.item.model.SimilarityMatrixModel(LongKeyDomain, List<ImmutableSparseVector>) This is deprecated for public usage. It is better to use the other constructor.
org.grouplens.lenskit.data.dao.SimpleFileRatingDAO(File, String, CompressionMode) use SimpleFileRatingDAO.create(File, String, CompressionMode) instead.