com.liferay.portal.search.lucene

Class FieldWeightSimilarity

java.lang.Object

org.apache.lucene.search.Similarity

org.apache.lucene.search.DefaultSimilarity

com.liferay.portal.search.lucene.FieldWeightSimilarity

All Implemented Interfaces:

java.io.Serializable

public class FieldWeightSimilarity
extends org.apache.lucene.search.DefaultSimilarity

Author:

Daeyoung Song

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.lucene.search.DefaultSimilarity

discountOverlaps

Fields inherited from class org.apache.lucene.search.Similarity

NO_DOC_ID_PROVIDED

Constructor Summary

Constructors

Constructor and Description
FieldWeightSimilarity()

Method Summary

Methods

Modifier and Type	Method and Description
float	coord(int overlap, int maxOverlap)
float	idf(int docFreq, int numDocs)
float	queryNorm(float sumOfSquaredWeights)

Methods inherited from class org.apache.lucene.search.DefaultSimilarity

computeNorm, getDiscountOverlaps, setDiscountOverlaps, sloppyFreq, tf

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

decodeNorm, decodeNormValue, encodeNorm, encodeNormValue, getDefault, getNormDecoder, idfExplain, idfExplain, idfExplain, lengthNorm, scorePayload, setDefault, tf

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldWeightSimilarity

public FieldWeightSimilarity()

Method Detail

coord

public float coord(int overlap,
          int maxOverlap)

Overrides:

coord in class org.apache.lucene.search.DefaultSimilarity

idf

public float idf(int docFreq,
        int numDocs)

Overrides:

idf in class org.apache.lucene.search.DefaultSimilarity

queryNorm

public float queryNorm(float sumOfSquaredWeights)

Overrides:

queryNorm in class org.apache.lucene.search.DefaultSimilarity