Package org.elasticsearch.index.similarity

Class NonNegativeScoresSimilarity

  • public final class NonNegativeScoresSimilarity
extends org.apache.lucene.search.similarities.Similarity
    A Similarity that rejects negative scores. This class exists so that users get an error instead of silently corrupt top hits. It should be applied to any custom or scripted similarity.

    • Nested Class Summary

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

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

    • Constructor Summary

      Constructors 
      Constructor Description
      NonNegativeScoresSimilarity​(org.apache.lucene.search.similarities.Similarity in)  

    • Method Summary

      Modifier and Type Method Description
      long computeNorm​(org.apache.lucene.index.FieldInvertState state)  
      org.apache.lucene.search.similarities.Similarity getDelegate()  
      org.apache.lucene.search.similarities.Similarity.SimScorer scorer​(float boost, org.apache.lucene.search.CollectionStatistics collectionStats, org.apache.lucene.search.TermStatistics... termStats)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • NonNegativeScoresSimilarity

        public NonNegativeScoresSimilarity​(org.apache.lucene.search.similarities.Similarity in)

    • Method Detail

      • getDelegate

        public org.apache.lucene.search.similarities.Similarity getDelegate()

      • computeNorm

        public long computeNorm​(org.apache.lucene.index.FieldInvertState state)
        Specified by:
        computeNorm in class org.apache.lucene.search.similarities.Similarity

      • scorer

        public org.apache.lucene.search.similarities.Similarity.SimScorer scorer​(float boost,
                                                                         org.apache.lucene.search.CollectionStatistics collectionStats,
                                                                         org.apache.lucene.search.TermStatistics... termStats)
        Specified by:
        scorer in class org.apache.lucene.search.similarities.Similarity