Uses of Record Class
org.apache.lucene.search.CollectionStatistics
Packages that use CollectionStatistics
Package
Description
Code to search indices.
This package contains the various ranking models that can be used in Lucene.
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Uses of CollectionStatistics in org.apache.lucene.search
Methods in org.apache.lucene.search that return CollectionStatisticsModifier and TypeMethodDescriptionIndexSearcher.collectionStatistics(String field) ReturnsCollectionStatisticsfor a field, ornullif the field does not exist (has no indexed terms) -
Uses of CollectionStatistics in org.apache.lucene.search.similarities
Methods in org.apache.lucene.search.similarities with parameters of type CollectionStatisticsModifier and TypeMethodDescriptionprotected floatBM25Similarity.avgFieldLength(CollectionStatistics collectionStats) The default implementation computes the average assumTotalTermFreq / docCountprotected voidLMSimilarity.fillBasicStats(BasicStats stats, CollectionStatistics collectionStats, TermStatistics termStats) Computes the collection probability of the current term in addition to the usual statistics.protected voidSimilarityBase.fillBasicStats(BasicStats stats, CollectionStatistics collectionStats, TermStatistics termStats) Fills all member fields defined inBasicStatsinstats.BM25Similarity.idfExplain(CollectionStatistics collectionStats, TermStatistics termStats) Computes a score factor for a simple term and returns an explanation for that score factor.BM25Similarity.idfExplain(CollectionStatistics collectionStats, TermStatistics[] termStats) Computes a score factor for a phrase.ClassicSimilarity.idfExplain(CollectionStatistics collectionStats, TermStatistics termStats) TFIDFSimilarity.idfExplain(CollectionStatistics collectionStats, TermStatistics termStats) Computes a score factor for a simple term and returns an explanation for that score factor.TFIDFSimilarity.idfExplain(CollectionStatistics collectionStats, TermStatistics[] termStats) Computes a score factor for a phrase.final Similarity.SimScorerBM25Similarity.scorer(float boost, CollectionStatistics collectionStats, TermStatistics... termStats) BooleanSimilarity.scorer(float boost, CollectionStatistics collectionStats, TermStatistics... termStats) MultiSimilarity.scorer(float boost, CollectionStatistics collectionStats, TermStatistics... termStats) final Similarity.SimScorerPerFieldSimilarityWrapper.scorer(float boost, CollectionStatistics collectionStats, TermStatistics... termStats) RawTFSimilarity.scorer(float boost, CollectionStatistics collectionStats, TermStatistics... termStats) abstract Similarity.SimScorerSimilarity.scorer(float boost, CollectionStatistics collectionStats, TermStatistics... termStats) Compute any collection-level weight (e.g.final Similarity.SimScorerSimilarityBase.scorer(float boost, CollectionStatistics collectionStats, TermStatistics... termStats) final Similarity.SimScorerTFIDFSimilarity.scorer(float boost, CollectionStatistics collectionStats, TermStatistics... termStats)