Package org.apache.lucene.index

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

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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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  private static List<Term> sample(Random random, IndexReader reader, int size) throws IOException {
    List<Term> sample = new ArrayList<Term>();
    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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    if (vectors == null) {
      // null snippet
      return;
    }

    final Terms vector = vectors.terms(fieldName);
    if (vector == null) {
      // null snippet
      return;
    }
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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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        input.close();
      } else {
        Fields fields = atomicReader.fields();
        for (String field : fields) {
          LOG.debug("Context [{1}] sampling field [{0}].", field, context);
          Terms terms = fields.terms(field);
          boolean hasOffsets = terms.hasOffsets();
          boolean hasPayloads = terms.hasPayloads();
          boolean hasPositions = terms.hasPositions();

          tracer.initTrace(segmentReader, field, hasPositions, hasPayloads, hasOffsets);
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      int numberOfShards = _shardContext.getTableContext().getDescriptor().getShardCount();
      int shardId = BlurUtil.getShardIndex(shard);
      for (AtomicReaderContext context : leaves) {
        AtomicReader atomicReader = context.reader();
        Fields fields = atomicReader.fields();
        Terms terms = fields.terms(BlurConstants.ROW_ID);
        if (terms != null) {
          TermsEnum termsEnum = terms.iterator(null);
          BytesRef ref = null;
          while ((ref = termsEnum.next()) != null) {
            key.set(ref.bytes, ref.offset, ref.length);
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  }

  private static void applyFamily(OpenBitSet bits, String family, SegmentReader segmentReader, int primeDocRowId,
      int numberOfDocsInRow, Bits liveDocs) throws IOException {
    Fields fields = segmentReader.fields();
    Terms terms = fields.terms(BlurConstants.FAMILY);
    TermsEnum iterator = terms.iterator(null);
    BytesRef text = new BytesRef(family);
    int lastDocId = primeDocRowId + numberOfDocsInRow;
    if (iterator.seekExact(text, true)) {
      DocsEnum docs = iterator.docs(liveDocs, null, DocsEnum.FLAG_NONE);
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        input.close();
      } else {
        Fields fields = atomicReader.fields();
        for (String field : fields) {
          LOG.debug("Context [{1}] sampling field [{0}].", field, context);
          Terms terms = fields.terms(field);
          boolean hasOffsets = terms.hasOffsets();
          boolean hasPayloads = terms.hasPayloads();
          boolean hasPositions = terms.hasPositions();

          tracer.initTrace(segmentReader, field, hasPositions, hasPayloads, hasOffsets);
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  private void duellReaders(CompositeReader other, AtomicReader memIndexReader)
      throws IOException {
    AtomicReader competitor = new SlowCompositeReaderWrapper(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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    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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