cat.lump.ir.lucene.index

Class TFSimilarity

java.lang.Object

DefaultSimilarity

cat.lump.ir.lucene.index.TFSimilarity

public class TFSimilarity
extends DefaultSimilarity

An extension to Lucene's default similarity that intends to represent a document simply by its TFs. The rest of elements included in the original DefaultSimilarity implementation are overriden and set to 1: http://lucene.apache.org/core/3_5_0/api/all/org/apache/lucene/search/Similarity.html#formula_tf

Author:

albarron

Constructor Summary

Constructors

Constructor and Description
TFSimilarity()

Method Summary

Methods

Modifier and Type	Method and Description
float	computeNorm(java.lang.String arg0, FieldInvertState arg1)
float	coord(int arg0, int arg1)
float	idf(int arg0, int arg1)
float	queryNorm(float arg0)
float	sloppyFreq(int arg0)

Methods inherited from class java.lang.Object

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

Constructor Detail

TFSimilarity

public TFSimilarity()

Method Detail

computeNorm

public float computeNorm(java.lang.String arg0,
                FieldInvertState arg1)

coord

public float coord(int arg0,
          int arg1)

idf

public float idf(int arg0,
        int arg1)

queryNorm

public float queryNorm(float arg0)

sloppyFreq

public float sloppyFreq(int arg0)