org.elasticsearch.search.suggest.phrase

Class LaplaceScorer

java.lang.Object

org.elasticsearch.search.suggest.phrase.WordScorer

org.elasticsearch.search.suggest.phrase.LaplaceScorer

public final class LaplaceScorer
extends WordScorer

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.search.suggest.phrase.WordScorer

WordScorer.WordScorerFactory

Field Summary

Fields

Modifier and Type	Field and Description
static WordScorer.WordScorerFactory	FACTORY

Fields inherited from class org.elasticsearch.search.suggest.phrase.WordScorer

field, reader, realWordLikelyhood, separator, spare, terms, vocabluarySize

Constructor Summary

Constructors

Constructor and Description
LaplaceScorer(org.apache.lucene.index.IndexReader reader, org.apache.lucene.index.Terms terms, String field, double realWordLikelyhood, org.apache.lucene.util.BytesRef separator, double alpha)

Method Summary

Methods

Modifier and Type	Method and Description
protected double	scoreBigram(DirectCandidateGenerator.Candidate word, DirectCandidateGenerator.Candidate w_1)
protected double	scoreTrigram(DirectCandidateGenerator.Candidate word, DirectCandidateGenerator.Candidate w_1, DirectCandidateGenerator.Candidate w_2)

Methods inherited from class org.elasticsearch.search.suggest.phrase.WordScorer

channelScore, frequency, score, scoreUnigram

Methods inherited from class java.lang.Object

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

Field Detail

FACTORY

public static final WordScorer.WordScorerFactory FACTORY

Constructor Detail

LaplaceScorer

public LaplaceScorer(org.apache.lucene.index.IndexReader reader,
             org.apache.lucene.index.Terms terms,
             String field,
             double realWordLikelyhood,
             org.apache.lucene.util.BytesRef separator,
             double alpha)
              throws IOException

Throws:

IOException

Method Detail

scoreBigram

protected double scoreBigram(DirectCandidateGenerator.Candidate word,
                 DirectCandidateGenerator.Candidate w_1)
                      throws IOException

Overrides:

scoreBigram in class WordScorer

Throws:

IOException

scoreTrigram

protected double scoreTrigram(DirectCandidateGenerator.Candidate word,
                  DirectCandidateGenerator.Candidate w_1,
                  DirectCandidateGenerator.Candidate w_2)
                       throws IOException

Overrides:

scoreTrigram in class WordScorer

Throws:

IOException