Example usage for org.apache.lucene.search.spell DirectSpellChecker setComparator

Introduction

In this page you can find the example usage for org.apache.lucene.search.spell DirectSpellChecker setComparator.

Prototype

public void setComparator(Comparator<SuggestWord> comparator) 

Source Link

Document

Set the comparator for sorting suggestions.

Usage

From source file:org.codelibs.elasticsearch.search.suggest.DirectSpellcheckerSettings.java

License:Apache License

public DirectSpellChecker createDirectSpellChecker() {

    DirectSpellChecker directSpellChecker = new DirectSpellChecker();
    directSpellChecker.setAccuracy(accuracy());
    Comparator<SuggestWord> comparator;
    switch (sort()) {
    case SCORE://from   w w  w  . j a  va2 s. c om
        comparator = SCORE_COMPARATOR;
        break;
    case FREQUENCY:
        comparator = LUCENE_FREQUENCY;
        break;
    default:
        throw new IllegalArgumentException("Illegal suggest sort: " + sort());
    }
    directSpellChecker.setComparator(comparator);
    directSpellChecker.setDistance(stringDistance());
    directSpellChecker.setMaxEdits(maxEdits());
    directSpellChecker.setMaxInspections(maxInspections());
    directSpellChecker.setMaxQueryFrequency(maxTermFreq());
    directSpellChecker.setMinPrefix(prefixLength());
    directSpellChecker.setMinQueryLength(minWordLength());
    directSpellChecker.setThresholdFrequency(minDocFreq());
    directSpellChecker.setLowerCaseTerms(false);
    return directSpellChecker;
}

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From source file:org.elasticsearch.search.suggest.SuggestUtils.java

License:Apache License

public static DirectSpellChecker getDirectSpellChecker(DirectSpellcheckerSettings suggestion) {

    DirectSpellChecker directSpellChecker = new DirectSpellChecker();
    directSpellChecker.setAccuracy(suggestion.accuracy());
    Comparator<SuggestWord> comparator;
    switch (suggestion.sort()) {
    case SCORE://from  ww w.  j a  v a  2  s.  c o  m
        comparator = SCORE_COMPARATOR;
        break;
    case FREQUENCY:
        comparator = LUCENE_FREQUENCY;
        break;
    default:
        throw new ElasticsearchIllegalArgumentException("Illegal suggest sort: " + suggestion.sort());
    }
    directSpellChecker.setComparator(comparator);
    directSpellChecker.setDistance(suggestion.stringDistance());
    directSpellChecker.setMaxEdits(suggestion.maxEdits());
    directSpellChecker.setMaxInspections(suggestion.maxInspections());
    directSpellChecker.setMaxQueryFrequency(suggestion.maxTermFreq());
    directSpellChecker.setMinPrefix(suggestion.prefixLength());
    directSpellChecker.setMinQueryLength(suggestion.minWordLength());
    directSpellChecker.setThresholdFrequency(suggestion.minDocFreq());
    directSpellChecker.setLowerCaseTerms(false);
    return directSpellChecker;
}

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