Example usage for org.apache.lucene.index Terms getMax

Introduction

In this page you can find the example usage for org.apache.lucene.index Terms getMax.

Prototype

@SuppressWarnings("fallthrough")
public BytesRef getMax() throws IOException 

Source Link

Document

Returns the largest term (in lexicographic order) in the field.

Usage

From source file:com.github.flaxsearch.api.TermsData.java

License:Apache License

public TermsData(Terms terms, List<String> termsList, String encoding) throws IOException {
    this.termCount = terms.size();
    this.docCount = terms.getDocCount();
    this.minTerm = BytesRefUtils.encode(terms.getMin(), encoding);
    this.maxTerm = BytesRefUtils.encode(terms.getMax(), encoding);
    this.terms = termsList;
}

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From source file:com.rondhuit.w2v.lucene.LuceneIndexCorpus.java

License:Apache License

@Override
public void learnVocab() throws IOException {
    super.learnVocab();

    final String field = ((LuceneIndexConfig) config).getField();
    final Terms terms = MultiFields.getTerms(reader, field);
    final BytesRef maxTerm = terms.getMax();
    final BytesRef minTerm = terms.getMin();
    Query q = new TermRangeQuery(field, minTerm, maxTerm, true, true);
    IndexSearcher searcher = new IndexSearcher(reader);
    topDocs = searcher.search(q, Integer.MAX_VALUE);

    TermsEnum termsEnum = null;/*from  w  w  w. j  a  v a2s  . c om*/
    termsEnum = terms.iterator(termsEnum);

    termsEnum.seekCeil(new BytesRef());
    BytesRef term = termsEnum.term();
    while (term != null) {
        int p = addWordToVocab(term.utf8ToString());
        vocab[p].setCn((int) termsEnum.totalTermFreq());
        term = termsEnum.next();
    }
}

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From source file:org.codelibs.elasticsearch.index.mapper.MappedFieldType.java

License:Apache License

/**
 * @return a {FieldStats} instance that maps to the type of this
 * field or {@code null} if the provided index has no stats about the
 * current field/*from   w w w .  jav  a 2 s  .  com*/
 */
public FieldStats stats(IndexReader reader) throws IOException {
    int maxDoc = reader.maxDoc();
    FieldInfo fi = MultiFields.getMergedFieldInfos(reader).fieldInfo(name());
    if (fi == null) {
        return null;
    }
    Terms terms = MultiFields.getTerms(reader, name());
    if (terms == null) {
        return new FieldStats.Text(maxDoc, 0, -1, -1, isSearchable(), isAggregatable());
    }
    FieldStats stats = new FieldStats.Text(maxDoc, terms.getDocCount(), terms.getSumDocFreq(),
            terms.getSumTotalTermFreq(), isSearchable(), isAggregatable(), terms.getMin(), terms.getMax());
    return stats;
}

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From source file:org.elasticsearch.index.mapper.MappedFieldType.java

License:Apache License

/**
 * @return a {@link FieldStats} instance that maps to the type of this field based on the provided {@link Terms} instance.
 *///from   ww  w.j av  a  2 s .  c o m
public FieldStats stats(Terms terms, int maxDoc) throws IOException {
    return new FieldStats.Text(maxDoc, terms.getDocCount(), terms.getSumDocFreq(), terms.getSumTotalTermFreq(),
            terms.getMin(), terms.getMax());
}

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