org.elasticsearch.index.query.functionscore

Class ExponentialDecayFunctionBuilder

java.lang.Object

org.elasticsearch.index.query.functionscore.ScoreFunctionBuilder<DFB>

org.elasticsearch.index.query.functionscore.DecayFunctionBuilder<ExponentialDecayFunctionBuilder>

org.elasticsearch.index.query.functionscore.ExponentialDecayFunctionBuilder

All Implemented Interfaces:

NamedWriteable, Writeable, ToXContent

public class ExponentialDecayFunctionBuilder
extends DecayFunctionBuilder<ExponentialDecayFunctionBuilder>

Nested Class Summary

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

DecayFunctionBuilder.AbstractDistanceScoreFunction

Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent

ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<V>, Writeable.Writer<V>

Field Summary

Fields

Modifier and Type	Field and Description
static DecayFunction	EXP_DECAY_FUNCTION
static java.lang.String	NAME
static ScoreFunctionParser<ExponentialDecayFunctionBuilder>	PARSER

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

DECAY, DEFAULT_DECAY, DEFAULT_MULTI_VALUE_MODE, OFFSET, ORIGIN, SCALE

Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent

EMPTY_PARAMS

Constructor Summary

Constructors

Constructor and Description
ExponentialDecayFunctionBuilder(StreamInput in) Read from a stream.
ExponentialDecayFunctionBuilder(java.lang.String fieldName, java.lang.Object origin, java.lang.Object scale, java.lang.Object offset)
ExponentialDecayFunctionBuilder(java.lang.String fieldName, java.lang.Object origin, java.lang.Object scale, java.lang.Object offset, double decay)

Method Summary

Modifier and Type	Method and Description
DecayFunction	getDecayFunction() Override this function if you want to produce your own scorer.
java.lang.String	getName() The name of this score function.

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

doEquals, doHashCode, doToFunction, doWriteTo, doXContent, getFieldName, getFunctionBytes, getMultiValueMode, setMultiValueMode

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

equals, getWeight, getWriteableName, hashCode, setWeight, toFunction, toXContent, writeTo

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.common.xcontent.ToXContent

isFragment

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

PARSER

public static final ScoreFunctionParser<ExponentialDecayFunctionBuilder> PARSER

EXP_DECAY_FUNCTION

public static final DecayFunction EXP_DECAY_FUNCTION

Constructor Detail

ExponentialDecayFunctionBuilder

public ExponentialDecayFunctionBuilder(java.lang.String fieldName,
                                       java.lang.Object origin,
                                       java.lang.Object scale,
                                       java.lang.Object offset)

ExponentialDecayFunctionBuilder

public ExponentialDecayFunctionBuilder(java.lang.String fieldName,
                                       java.lang.Object origin,
                                       java.lang.Object scale,
                                       java.lang.Object offset,
                                       double decay)

ExponentialDecayFunctionBuilder

public ExponentialDecayFunctionBuilder(StreamInput in)
                                throws java.io.IOException

Read from a stream.

Throws:

java.io.IOException

Method Detail

getName

public java.lang.String getName()

Description copied from class: ScoreFunctionBuilder

The name of this score function.

Specified by:

getName in class ScoreFunctionBuilder<ExponentialDecayFunctionBuilder>

getDecayFunction

public DecayFunction getDecayFunction()

Description copied from class: DecayFunctionBuilder

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

Specified by:

getDecayFunction in class DecayFunctionBuilder<ExponentialDecayFunctionBuilder>