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

Introduction

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

Prototype

public void setMaxQueryFrequency(float maxQueryFrequency) 

Source Link

Document

Set the maximum threshold (default: 0.01f) of documents a query term can appear in order to provide 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  v  a2  s  .com
        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:/*  www.  j  a va 2 s .c om*/
        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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