org.elasticsearch.search.suggest.phrase

Class PhraseSuggestionBuilder.StupidBackoff

java.lang.Object

org.elasticsearch.search.suggest.phrase.PhraseSuggestionBuilder.SmoothingModel

org.elasticsearch.search.suggest.phrase.PhraseSuggestionBuilder.StupidBackoff

All Implemented Interfaces:

ToXContent

Enclosing class:

PhraseSuggestionBuilder

public static final class PhraseSuggestionBuilder.StupidBackoff
extends PhraseSuggestionBuilder.SmoothingModel

A "stupid-backoff" smoothing model simialr to Katz's Backoff. This model is used as the default if no model is configured.

See N-Gram Smoothing for details.

Nested Class Summary

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

ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params

Field Summary

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

EMPTY_PARAMS

Constructor Summary

Constructors

Constructor and Description
StupidBackoff(double discount) Creates a Stupid-Backoff smoothing model.

Method Summary

Modifier and Type	Method and Description
protected XContentBuilder	innerToXContent(XContentBuilder builder, ToXContent.Params params)

Methods inherited from class org.elasticsearch.search.suggest.phrase.PhraseSuggestionBuilder.SmoothingModel

toXContent

Methods inherited from class java.lang.Object

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

Constructor Detail

StupidBackoff

public StupidBackoff(double discount)

Creates a Stupid-Backoff smoothing model.

Parameters:

discount - the discount given to lower order ngrams if the higher order ngram doesn't exits

Method Detail

innerToXContent

protected XContentBuilder innerToXContent(XContentBuilder builder,
                                          ToXContent.Params params)
                                   throws IOException

Specified by:

innerToXContent in class PhraseSuggestionBuilder.SmoothingModel

Throws:

IOException