Module org.apache.lucene.core

Package org.apache.lucene.document

Class FeatureField.SaturationFunction

java.lang.Object

org.apache.lucene.document.FeatureField.FeatureFunction

org.apache.lucene.document.FeatureField.SaturationFunction

Enclosing class:

FeatureField

static final class FeatureField.SaturationFunction
extends FeatureField.FeatureFunction

Field Summary

Fields

Modifier and Type	Field	Description
private final String	feature
private final String	field
private final Float	pivot

Constructor Summary

Constructors

Constructor	Description
SaturationFunction(String field, String feature, Float pivot)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
(package private) Explanation	explain(String field, String feature, float weight, int freq)
int	hashCode()
FeatureField.FeatureFunction	rewrite(IndexSearcher indexSearcher)
(package private) Similarity.SimScorer	scorer(float weight)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

field

private final String field

feature

private final String feature

pivot

private final Float pivot

Constructor Details

SaturationFunction

SaturationFunction(String field,
 String feature,
 Float pivot)

Method Details

rewrite

public FeatureField.FeatureFunction rewrite(IndexSearcher indexSearcher)
                                     throws IOException

Overrides:

rewrite in class FeatureField.FeatureFunction

Throws:

IOException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

scorer

Similarity.SimScorer scorer(float weight)

Specified by:

scorer in class FeatureField.FeatureFunction

explain

Explanation explain(String field,
 String feature,
 float weight,
 int freq)

Specified by:

explain in class FeatureField.FeatureFunction