Package org.elasticsearch.index.query

Class RankFeatureQueryBuilder.ScoreFunction

java.lang.Object

org.elasticsearch.index.query.RankFeatureQueryBuilder.ScoreFunction

Direct Known Subclasses:

RankFeatureQueryBuilder.ScoreFunction.Log, RankFeatureQueryBuilder.ScoreFunction.Saturation, RankFeatureQueryBuilder.ScoreFunction.Sigmoid

Enclosing class:

RankFeatureQueryBuilder

public abstract static class RankFeatureQueryBuilder.ScoreFunction
extends java.lang.Object

Scoring function for a [rank_feature] field.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RankFeatureQueryBuilder.ScoreFunction.Log	A scoring function that scores documents as Math.log(scalingFactor + S) where S is the value of the static feature.
static class	RankFeatureQueryBuilder.ScoreFunction.Saturation	A scoring function that scores documents as S / (S + pivot) where S is the value of the static feature.
static class	RankFeatureQueryBuilder.ScoreFunction.Sigmoid	A scoring function that scores documents as S^exp / (S^exp + pivot^exp) where S is the value of the static feature.

Method Summary

Methods inherited from class java.lang.Object

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