File Doc Category Size Date Package
SimilarityDelegator.java API Doc Apache Lucene 1.9 1767 Mon Feb 20 09:20:04 GMT 2006 org.apache.lucene.search

SimilarityDelegator

java.lang.Object
- org.apache.lucene.search.Similarity

public class SimilarityDelegator extends Similarity

Expert: Delegating scoring implementation. Useful in {@link Query#getSimilarity(Searcher)} implementations, to override only certain methods of a Searcher's Similiarty implementation..

Fields Summary
private Similarity
delegee
Constructors Summary
public SimilarityDelegator(Similarity delegee)
Construct a {@link Similarity} that delegates all methods to another.
param
delegee the Similarity implementation to delegate to
this.delegee = delegee;
Methods Summary
public float coord(int overlap, int maxOverlap)
return delegee.coord(overlap, maxOverlap);
public float idf(int docFreq, int numDocs)
return delegee.idf(docFreq, numDocs);
public float lengthNorm(java.lang.String fieldName, int numTerms)
return delegee.lengthNorm(fieldName, numTerms);
public float queryNorm(float sumOfSquaredWeights)
return delegee.queryNorm(sumOfSquaredWeights);
public float sloppyFreq(int distance)
return delegee.sloppyFreq(distance);
public float tf(float freq)
return delegee.tf(freq);