Example usage for org.apache.lucene.search FuzzyTermsEnum next

Introduction

In this page you can find the example usage for org.apache.lucene.search FuzzyTermsEnum next.

Prototype

@Override
    public BytesRef next() throws IOException 

Source Link

Usage

From source file:org.pageseeder.flint.lucene.search.Terms.java

License:Apache License

/**
 * Loads all the fuzzy terms in the list of terms given the reader.
 *
 * @param reader Index reader to use./*from  www.  jav  a 2 s. c  o m*/
 * @param values The list of terms to load.
 * @param term   The term to use.
 *
 * @throws IOException If an error is thrown by the fuzzy term enumeration.
 */
public static void fuzzy(IndexReader reader, List<String> values, Term term, int minSimilarity)
        throws IOException {
    AttributeSource atts = new AttributeSource();
    Fields fields = MultiFields.getFields(reader);
    org.apache.lucene.index.Terms terms = fields == null ? null : fields.terms(term.field());
    if (terms == null)
        return;
    FuzzyTermsEnum fuzzy = new FuzzyTermsEnum(terms, atts, term, minSimilarity, 0, false);
    BytesRef val;
    BytesRef searched = term.bytes();
    while ((val = fuzzy.next()) != null) {
        if (!searched.bytesEquals(val))
            values.add(val.utf8ToString());
    }
}

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From source file:org.pageseeder.flint.lucene.search.Terms.java

License:Apache License

/**
 * Loads all the fuzzy terms in the list of terms given the reader.
 *
 * @param reader  Index reader to use.//from   w w  w .j a  va  2s.  co m
 * @param bucket  Where to store the terms.
 * @param term    The term to use.
 *
 * @throws IOException If an error is thrown by the fuzzy term enumeration.
 */
@Beta
public static void fuzzy(IndexReader reader, Bucket<Term> bucket, Term term, int minSimilarity)
        throws IOException {
    AttributeSource atts = new AttributeSource();
    Fields fields = MultiFields.getFields(reader);
    org.apache.lucene.index.Terms terms = fields == null ? null : fields.terms(term.field());
    if (terms == null)
        return;
    FuzzyTermsEnum fuzzy = new FuzzyTermsEnum(terms, atts, term, minSimilarity, 0, true);
    BytesRef val;
    BytesRef searched = term.bytes();
    while ((val = fuzzy.next()) != null) {
        if (!searched.bytesEquals(val)) {
            Term t = new Term(term.field(), BytesRef.deepCopyOf(val));
            bucket.add(t, reader.docFreq(t));
        }
    }
}

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