Module org.apache.lucene.core

Package org.apache.lucene.document

Class FeatureField.FeatureFunction

java.lang.Object

org.apache.lucene.document.FeatureField.FeatureFunction

Direct Known Subclasses:

FeatureField.LinearFunction, FeatureField.LogFunction, FeatureField.SaturationFunction, FeatureField.SigmoidFunction

Enclosing class:

FeatureField

abstract static class FeatureField.FeatureFunction
extends Object

Constructor Summary

Constructors

Constructor	Description
FeatureFunction()

Method Summary

Modifier and Type	Method	Description
(package private) abstract Explanation	explain(String field, String feature, float w, int freq)
(package private) FeatureField.FeatureFunction	rewrite(IndexSearcher indexSearcher)
(package private) abstract Similarity.SimScorer	scorer(float w)

Methods inherited from class java.lang.Object

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

Constructor Details

FeatureFunction

FeatureFunction()

Method Details

scorer

abstract Similarity.SimScorer scorer(float w)

explain

abstract Explanation explain(String field,
 String feature,
 float w,
 int freq)

rewrite

FeatureField.FeatureFunction rewrite(IndexSearcher indexSearcher)
                              throws IOException

Throws:

IOException