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

Introduction

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

Prototype

public void setMaxEdits(int maxEdits) 

Source Link

Document

Sets the maximum number of Levenshtein edit-distances to draw candidate terms from.

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://w  w w. ja va 2 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 .  com*/
        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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