org.elasticsearch.index.query.functionscore.exp

Class ExponentialDecayFunctionParser

java.lang.Object

org.elasticsearch.index.query.functionscore.DecayFunctionParser

org.elasticsearch.index.query.functionscore.exp.ExponentialDecayFunctionParser

All Implemented Interfaces:

ScoreFunctionParser

public class ExponentialDecayFunctionParser
extends DecayFunctionParser

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.index.query.functionscore.DecayFunctionParser

DecayFunctionParser.AbstractDistanceScoreFunction

Field Summary

Fields

Modifier and Type	Field and Description
static DecayFunction	decayFunction
static String[]	NAMES

Fields inherited from class org.elasticsearch.index.query.functionscore.DecayFunctionParser

MULTI_VALUE_MODE

Constructor Summary

Constructors

Constructor and Description
ExponentialDecayFunctionParser()

Method Summary

Modifier and Type	Method and Description
DecayFunction	getDecayFunction() Override this function if you want to produce your own scorer.
String[]	getNames() Returns the name of the function, for example "linear", "gauss" etc.

Methods inherited from class org.elasticsearch.index.query.functionscore.DecayFunctionParser

parse

Methods inherited from class java.lang.Object

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

Field Detail

NAMES

public static final String[] NAMES

decayFunction

public static final DecayFunction decayFunction

Constructor Detail

ExponentialDecayFunctionParser

public ExponentialDecayFunctionParser()

Method Detail

getNames

public String[] getNames()

Description copied from interface: ScoreFunctionParser

Returns the name of the function, for example "linear", "gauss" etc. This name is used for registering the parser in FunctionScoreQueryParser.

getDecayFunction

public DecayFunction getDecayFunction()

Description copied from class: DecayFunctionParser

Override this function if you want to produce your own scorer.

Specified by:

getDecayFunction in class DecayFunctionParser