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

Class org.apache.lucene.index.AtomicReader

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

org.apache.lucene.index.AtomicReader.terms()
This may return null if the field does not exist.

    RandomIndexWriter w = new RandomIndexWriter(random(), dir);
    createRandomIndex(atLeast(50), w, random().nextLong());
    DirectoryReader reader = w.getReader();
    AtomicReader wrapper = SlowCompositeReaderWrapper.wrap(reader);
    String field = "body";
    Terms terms = wrapper.terms(field);
    PriorityQueue<TermAndFreq> lowFreqQueue = new PriorityQueue<CommonTermsQueryTest.TermAndFreq>(
        5) {
      
      @Override
      protected boolean lessThan(TermAndFreq a, TermAndFreq b) {

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      int base = 0;
      TermsEnum te = null;
      DocsEnum docs = null;
      for (final AtomicReaderContext ctx : r.leaves()) {
        final AtomicReader ar = ctx.reader();
        final Terms terms = ar.terms(Consts.FULL);
        te = terms.iterator(te);
        while (te.next() != null) {
          String value = te.term().utf8ToString();
          CategoryPath cp = new CategoryPath(value, delimiter);
          final int ordinal = addCategory(cp);

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      assert !terms.isEmpty();
      final AtomicReader reader = context.reader();
      final Bits liveDocs = acceptDocs;
      final PostingsAndPosition[] postings = new PostingsAndPosition[terms.size()];


      final Terms fieldTerms = reader.terms(field);
      if (fieldTerms == null) {
        return null;
      }


      // Reuse single TermsEnum below:

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      startWith = "";
    }
    Term term = getTerm(columnFamily, columnName, startWith);
    List<String> terms = new ArrayList<String>(size);
    AtomicReader areader = BlurUtil.getAtomicReader(reader);
    Terms termsAll = areader.terms(term.field());
    TermsEnum termEnum = termsAll.iterator(null);
    BytesRef currentTermText;
    while ((currentTermText = termEnum.next()) != null) {
      terms.add(currentTermText.utf8ToString());
      if (terms.size() >= size) {

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          dims[dim].sidewaysCollector = drillSidewaysCollectors[dim];
          String field = drillDownTerms[dim][0].field();
          dims[dim].dim = drillDownTerms[dim][0].text();
          if (lastField == null || !lastField.equals(field)) {
            AtomicReader reader = context.reader();
            Terms terms = reader.terms(field);
            if (terms != null) {
              termsEnum = terms.iterator(null);
            } else {
              termsEnum = null;
            }

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      bi.setText(content);
      int doc = docids[i];
      int leaf = ReaderUtil.subIndex(doc, leaves);
      AtomicReaderContext subContext = leaves.get(leaf);
      AtomicReader r = subContext.reader();
      Terms t = r.terms(field);
      if (t == null) {
        continue; // nothing to do
      }
      if (leaf != lastLeaf) {
        termsEnum = t.iterator(null);

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      final AtomicReader reader = context.reader();
      final Bits liveDocs = acceptDocs;
      
      PhraseQuery.PostingsAndFreq[] postingsFreqs = new PhraseQuery.PostingsAndFreq[termArrays.size()];


      final Terms fieldTerms = reader.terms(field);
      if (fieldTerms == null) {
        return null;
      }


      // Reuse single TermsEnum below:

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    writer.commit();


    DirectoryReader open = DirectoryReader.open(dir);
    for (AtomicReaderContext ctx : open.leaves()) {
      AtomicReader indexReader = ctx.reader();
      Terms terms = indexReader.terms("body");
      TermsEnum iterator = terms.iterator(null);
      IdentityHashMap<DocsEnum, Boolean> enums = new IdentityHashMap<DocsEnum, Boolean>();
      MatchNoBits bits = new Bits.MatchNoBits(indexReader.maxDoc());
      while ((iterator.next()) != null) {
        DocsEnum docs = iterator.docs(random().nextBoolean() ? bits : new Bits.MatchNoBits(indexReader.maxDoc()), null, random().nextBoolean() ? DocsEnum.FLAG_FREQS : DocsEnum.FLAG_NONE);

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  public DocsEnum randomDocsEnum(String field, BytesRef term, List<AtomicReaderContext> readers, Bits bits) throws IOException {
    if (random().nextInt(10) == 0) {
      return null;
    }
    AtomicReader indexReader = readers.get(random().nextInt(readers.size())).reader();
    Terms terms = indexReader.terms(field);
    if (terms == null) {
      return null;
    }
    TermsEnum iterator = terms.iterator(null);
    if (iterator.seekExact(term)) {

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  private void verify(Directory dir) throws Exception {
    DirectoryReader ir = DirectoryReader.open(dir);
    for (AtomicReaderContext leaf : ir.leaves()) {
      AtomicReader leafReader = leaf.reader();
      assertTerms(leafReader.terms("field1docs"), leafReader.terms("field2freqs"), true);
      assertTerms(leafReader.terms("field3positions"), leafReader.terms("field4offsets"), true);
      assertTerms(leafReader.terms("field4offsets"), leafReader.terms("field5payloadsFixed"), true);
      assertTerms(leafReader.terms("field5payloadsFixed"), leafReader.terms("field6payloadsVariable"), true);
      assertTerms(leafReader.terms("field6payloadsVariable"), leafReader.terms("field7payloadsFixedOffsets"), true);
      assertTerms(leafReader.terms("field7payloadsFixedOffsets"), leafReader.terms("field8payloadsVariableOffsets"), true);

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