de.innovationgate.wgpublisher.lucene

Class ConstantIDFSimilarity

java.lang.Object

org.apache.lucene.search.Similarity

org.apache.lucene.search.DefaultSimilarity

de.innovationgate.wgpublisher.lucene.ConstantIDFSimilarity

All Implemented Interfaces:

java.io.Serializable

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

See Also:

Serialized Form

Field Summary

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

NO_DOC_ID_PROVIDED

Constructor Summary

Constructors

Constructor and Description
ConstantIDFSimilarity()

Method Summary

Methods

Modifier and Type	Method and Description
float	computeNorm(java.lang.String field, org.apache.lucene.index.FieldInvertState state)
float	idf(int docFreq, int numDocs)

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

coord, getDiscountOverlaps, queryNorm, 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

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

Constructor Detail

ConstantIDFSimilarity

public ConstantIDFSimilarity()

Method Detail

idf

public float idf(int docFreq,
        int numDocs)

Overrides:

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

computeNorm

public float computeNorm(java.lang.String field,
                org.apache.lucene.index.FieldInvertState state)

Overrides:

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