Package org.apache.lucene.index

Examples of org.apache.lucene.index.Fields.terms()

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                    logger.error("Index has no fields.....!");
                    throw new RuntimeException("Index has no fields.....!");
                }

                for (String field : fieldNames) {
                    Terms terms = fields.terms(field);
                    if (terms != null) {
                        te = terms.iterator(te);
                        CrescentCollectionField crescentField = selectCollection.getCrescentFieldByName().get(field);
                        fillQueue(field, te, termStatsQueue, crescentField.getType());
                    }
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        continue;
      }
      for (int i = 0; i < queryTerms.length; i++) {
        Term term = queryTerms[i];
        TermContext termContext = contextArray[i];
        final Terms terms = fields.terms(term.field());
        if (terms == null) {
          // field does not exist
          continue;
        }
        termsEnum = terms.iterator(termsEnum);
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  private void duellReaders(CompositeReader other, AtomicReader memIndexReader)
      throws IOException {
    AtomicReader competitor = SlowCompositeReaderWrapper.wrap(other);
    Fields memFields = memIndexReader.fields();
    for (String field : competitor.fields()) {
      Terms memTerms = memFields.terms(field);
      Terms iwTerms = memIndexReader.terms(field);
      if (iwTerms == null) {
        assertNull(memTerms);
      } else {
        NumericDocValues normValues = competitor.getNormValues(field);
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  public void createWeight(Map context, IndexSearcher searcher) throws IOException {
    long sumTotalTermFreq = 0;
    for (AtomicReaderContext readerContext : searcher.getTopReaderContext().leaves()) {
      Fields fields = readerContext.reader().fields();
      if (fields == null) continue;
      Terms terms = fields.terms(indexedField);
      if (terms == null) continue;
      long v = terms.getSumTotalTermFreq();
      if (v == -1) {
        sumTotalTermFreq = -1;
        break;
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  private static List<Term> sample(Random random, IndexReader reader, int size) throws IOException {
    List<Term> sample = new ArrayList<>();
    Fields fields = MultiFields.getFields(reader);
    for (String field : fields) {
      Terms terms = fields.terms(field);
      assertNotNull(terms);
      TermsEnum termsEnum = terms.iterator(null);
      while (termsEnum.next() != null) {
        if (sample.size() >= size) {
          int pos = random.nextInt(size);
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    assertEquals(1, s.search(new TermQuery(new Term("tokenized_tokenstream", "abc")), 1).totalHits);
    assertEquals(1, s.search(new TermQuery(new Term("tokenized_tokenstream", "xyz")), 1).totalHits);

    for(String field : new String[] {"tv", "tv_pos", "tv_off", "tv_pos_off"}) {
      Fields tvFields = r.getTermVectors(0);
      Terms tvs = tvFields.terms(field);
      assertNotNull(tvs);
      assertEquals(2, tvs.size());
      TermsEnum tvsEnum = tvs.iterator(null);
      assertEquals(new BytesRef("abc"), tvsEnum.next());
      final DocsAndPositionsEnum dpEnum = tvsEnum.docsAndPositions(null, null);
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    if (field != null) {
      Fields fields = MultiFields.getFields(reader);
      if (fields == null) {
        throw new RuntimeException("field " + field + " not found");
      }
      Terms terms = fields.terms(field);
      if (terms != null) {
        TermsEnum termsEnum = terms.iterator(null);
        tiq = new TermStatsQueue(numTerms, comparator);
        tiq.fill(field, termsEnum);
      }
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      if (fields == null) {
        throw new RuntimeException("no fields found for this index");
      }
      tiq = new TermStatsQueue(numTerms, comparator);
      for (String fieldName : fields) {
        Terms terms = fields.terms(fieldName);
        if (terms != null) {
          tiq.fill(fieldName, terms.iterator(null));
        }
      }
    }
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    doc.add(new Field("f", "a", ft));
    doc.add(new Field("f", "a", ft));
    writer.addDocument(doc, a);
    final AtomicReader reader = getOnlySegmentReader(writer.getReader());
    final Fields fields = reader.getTermVectors(0);
    final Terms terms = fields.terms("f");
    final TermsEnum te = terms.iterator(null);
    assertEquals(new BytesRef("a"), te.next());
    final DocsAndPositionsEnum dpe = te.docsAndPositions(null, null);
    assertEquals(0, dpe.nextDoc());
    assertEquals(2, dpe.freq());
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    Map<String, Int> termFreqMap = new HashMap<>();
    for (String fieldName : fieldNames) {
      final Fields vectors = ir.getTermVectors(docNum);
      final Terms vector;
      if (vectors != null) {
        vector = vectors.terms(fieldName);
      } else {
        vector = null;
      }

      // field does not store term vector info
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