Package ai.preferred.cerebro.index.similarity

Class CosineSimilarity

java.lang.Object

org.apache.lucene.search.similarities.Similarity

ai.preferred.cerebro.index.similarity.CosineSimilarity

public class CosineSimilarity
extends org.apache.lucene.search.similarities.Similarity

Class to compute cosine similarity.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.similarities.Similarity

org.apache.lucene.search.similarities.Similarity.SimScorer, org.apache.lucene.search.similarities.Similarity.SimWeight

Constructor Summary

Constructors

Constructor	Description
CosineSimilarity()

Method Summary

Modifier and Type	Method	Description
long	computeNorm(org.apache.lucene.index.FieldInvertState state)
org.apache.lucene.search.similarities.Similarity.SimWeight	computeWeight(double[] queryVec, org.apache.lucene.index.IndexReader reader, org.apache.lucene.search.CollectionStatistics collectionStats)
org.apache.lucene.search.similarities.Similarity.SimWeight	computeWeight(float boost, org.apache.lucene.search.CollectionStatistics collectionStats, org.apache.lucene.search.TermStatistics... termStats)
org.apache.lucene.search.similarities.Similarity.SimScorer	simScorer(org.apache.lucene.search.similarities.Similarity.SimWeight stats, org.apache.lucene.index.LeafReaderContext context)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CosineSimilarity

public CosineSimilarity()

Method Detail

computeNorm

public long computeNorm(org.apache.lucene.index.FieldInvertState state)

Specified by:

computeNorm in class org.apache.lucene.search.similarities.Similarity

computeWeight

public org.apache.lucene.search.similarities.Similarity.SimWeight computeWeight(float boost,
                                                                                org.apache.lucene.search.CollectionStatistics collectionStats,
                                                                                org.apache.lucene.search.TermStatistics... termStats)

Specified by:

computeWeight in class org.apache.lucene.search.similarities.Similarity

computeWeight

public org.apache.lucene.search.similarities.Similarity.SimWeight computeWeight(double[] queryVec,
                                                                                org.apache.lucene.index.IndexReader reader,
                                                                                org.apache.lucene.search.CollectionStatistics collectionStats)

simScorer

public org.apache.lucene.search.similarities.Similarity.SimScorer simScorer(org.apache.lucene.search.similarities.Similarity.SimWeight stats,
                                                                            org.apache.lucene.index.LeafReaderContext context)
                                                                     throws java.io.IOException

Specified by:

simScorer in class org.apache.lucene.search.similarities.Similarity

Throws:

java.io.IOException