Package org.apache.lucene.index

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

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    int docid = disi.docID();
    assertEquals(-1, docid);
    assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
   
    // now reuse and check again
    TermsEnum te = reader.terms("foo").iterator(null);
    assertTrue(te.seekExact(new BytesRef("bar"), true));
    disi = te.docs(null, disi, DocsEnum.FLAG_NONE);
    docid = disi.docID();
    assertEquals(-1, docid);
    assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
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    int numIters = atLeast(3);
    MemoryIndex memory = new MemoryIndex(true,  random().nextInt(50) * 1024 * 1024);
    for (int i = 0; i < numIters; i++) { // check reuse
      memory.addField("foo", "bar", analyzer);
      AtomicReader reader = (AtomicReader) memory.createSearcher().getIndexReader();
      assertEquals(1, reader.terms("foo").getSumTotalTermFreq());
      DocsAndPositionsEnum disi = reader.termPositionsEnum(new Term("foo", "bar"));
      int docid = disi.docID();
      assertEquals(-1, docid);
      assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
      assertEquals(0, disi.nextPosition());
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      assertEquals(0, disi.nextPosition());
      assertEquals(0, disi.startOffset());
      assertEquals(3, disi.endOffset());
     
      // now reuse and check again
      TermsEnum te = reader.terms("foo").iterator(null);
      assertTrue(te.seekExact(new BytesRef("bar"), true));
      disi = te.docsAndPositions(null, disi);
      docid = disi.docID();
      assertEquals(-1, docid);
      assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
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    MemoryIndex mindex = new MemoryIndex(random().nextBoolean(),  random().nextInt(50) * 1024 * 1024);
    MockAnalyzer mockAnalyzer = new MockAnalyzer(random());
    mindex.addField("field", "the quick brown fox", mockAnalyzer);
    mindex.addField("field", "jumps over the", mockAnalyzer);
    AtomicReader reader = (AtomicReader) mindex.createSearcher().getIndexReader();
    assertEquals(7, reader.terms("field").getSumTotalTermFreq());
    PhraseQuery query = new PhraseQuery();
    query.add(new Term("field", "fox"));
    query.add(new Term("field", "jumps"));
    assertTrue(mindex.search(query) > 0.1);
    mindex.reset();
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    AtomicReader reader = (AtomicReader) mindex.createSearcher().getIndexReader();
    assertNull(reader.getNumericDocValues("not-in-index"));
    assertNull(reader.getNormValues("not-in-index"));
    assertNull(reader.termDocsEnum(new Term("not-in-index", "foo")));
    assertNull(reader.termPositionsEnum(new Term("not-in-index", "foo")));
    assertNull(reader.terms("not-in-index"));
  }
 
  public void testDuellMemIndex() throws IOException {
    LineFileDocs lineFileDocs = new LineFileDocs(random());
    int numDocs = atLeast(10);
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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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          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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      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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