org.apache.lucene.search

Class SimilarityDelegator

public class SimilarityDelegator extends Similarity

Expert: Delegating scoring implementation. Useful in getSimilarity implementations, to override only certain methods of a Searcher's Similiarty implementation..

Constructor Summary
	SimilarityDelegator(Similarity delegee) Construct a Similarity that delegates all methods to another.

Method Summary
float	coord(int overlap, int maxOverlap)
float	idf(int docFreq, int numDocs)
float	lengthNorm(String fieldName, int numTerms)
float	queryNorm(float sumOfSquaredWeights)
float	sloppyFreq(int distance)
float	tf(float freq)

Constructor Detail

SimilarityDelegator

public SimilarityDelegator(Similarity delegee)

Construct a Similarity that delegates all methods to another.

Parameters: delegee the Similarity implementation to delegate to

Method Detail

coord

public float coord(int overlap, int maxOverlap)

idf

public float idf(int docFreq, int numDocs)

lengthNorm

public float lengthNorm(String fieldName, int numTerms)

queryNorm

public float queryNorm(float sumOfSquaredWeights)

sloppyFreq

public float sloppyFreq(int distance)

tf

public float tf(float freq)