org.owasp.dependencycheck.data.lucene

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

Field Summary

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

discountOverlaps

Constructor Summary

Constructors

Constructor and Description
DependencySimilarity()

Method Summary

Modifier and Type	Method and 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

computeNorm, getDiscountOverlaps, idfExplain, scorer, setDiscountOverlaps

Methods inherited from class java.lang.Object

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

Constructor Detail

DependencySimilarity

public DependencySimilarity()

Method Detail

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