Class DependencySimilarity

java.lang.Object
org.apache.lucene.search.similarities.Similarity
org.apache.lucene.search.similarities.TFIDFSimilarity
org.apache.lucene.search.similarities.ClassicSimilarity
org.owasp.dependencycheck.data.lucene.DependencySimilarity
@NotThreadSafe public class DependencySimilarity extends org.apache.lucene.search.similarities.ClassicSimilarity
Author:
Jeremy Long

  • 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
    DependencySimilarity()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    float
    idf(long docFreq, long numDocs)
    Override the default IDF implementation so that frequency within all document is ignored.

    Methods inherited from class org.apache.lucene.search.similarities.ClassicSimilarity

    idfExplain, lengthNorm, tf, toString

    Methods inherited from class org.apache.lucene.search.similarities.TFIDFSimilarity

    idfExplain, scorer

    Methods inherited from class org.apache.lucene.search.similarities.Similarity

    computeNorm, getDiscountOverlaps

    Methods inherited from class Object

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

  • Constructor Details

    • DependencySimilarity

      public DependencySimilarity()

  • Method Details

    • idf

      public float idf(long docFreq, long numDocs)

      Override the default IDF implementation so that frequency within all document is ignored.

      See this article for more details.
      Overrides:
      idf in class org.apache.lucene.search.similarities.ClassicSimilarity
      Parameters:
      docFreq - - the number of documents which contain the term
      numDocs - - the total number of documents in the collection
      Returns:
      1