Package org.apache.lucene.index

Examples of org.apache.lucene.index.DocsAndPositionsEnum.nextDoc()

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      TermsEnum te = reader.terms("foo").iterator(null);
      assertTrue(te.seekExact(new BytesRef("bar")));
      disi = te.docsAndPositions(null, disi);
      docid = disi.docID();
      assertEquals(-1, docid);
      assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
      reader.close();
      memory.reset();
    }
  }
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      String currentTerm = termEnum.term().utf8ToString();

      assertThat("Token mismatch for field: " + field_name, currentTerm, equalTo(memTermEnum.term().utf8ToString()));

      docsPosEnum.nextDoc();
      memDocsPosEnum.nextDoc();

      int freq = docsPosEnum.freq();
      assertThat(freq, equalTo(memDocsPosEnum.freq()));
      for (int i = 0; i < freq; i++) {
        String failDesc = " (field:" + field_name + " term:" + currentTerm + ")";
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      String docTerm = term.utf8ToString();

      if (matchedTokens.contains(docTerm) || docTerm.startsWith(prefixToken)) {

        DocsAndPositionsEnum docPosEnum = it.docsAndPositions(null, null, DocsAndPositionsEnum.FLAG_OFFSETS);
        docPosEnum.nextDoc();

        // use the first occurrence of the term
        int p = docPosEnum.nextPosition();
        if (p < position) {
          position = p;
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    // massive term is skipped:
    DocsAndPositionsEnum tps = MultiFields.getTermPositionsEnum(reader,
                                                                MultiFields.getLiveDocs(reader),
                                                                "content",
                                                                new BytesRef("another"));
    assertTrue(tps.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(1, tps.freq());
    assertEquals(3, tps.nextPosition());

    // Make sure the doc that has the massive term is in
    // the index:
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    IndexReader reader = writer.getReader();
    DocsAndPositionsEnum termPositions = MultiFields.getTermPositionsEnum(reader,
                                                                          MultiFields.getLiveDocs(reader),
                                                                          "preanalyzed",
                                                                          new BytesRef("term1"));
    assertTrue(termPositions.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(1, termPositions.freq());
    assertEquals(0, termPositions.nextPosition());

    termPositions = MultiFields.getTermPositionsEnum(reader,
                                                     MultiFields.getLiveDocs(reader),
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    termPositions = MultiFields.getTermPositionsEnum(reader,
                                                     MultiFields.getLiveDocs(reader),
                                                     "preanalyzed",
                                                     new BytesRef("term2"));
    assertTrue(termPositions.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(2, termPositions.freq());
    assertEquals(1, termPositions.nextPosition());
    assertEquals(3, termPositions.nextPosition());
   
    termPositions = MultiFields.getTermPositionsEnum(reader,
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    termPositions = MultiFields.getTermPositionsEnum(reader,
                                                     MultiFields.getLiveDocs(reader),
                                                     "preanalyzed",
                                                     new BytesRef("term3"));
    assertTrue(termPositions.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(1, termPositions.freq());
    assertEquals(2, termPositions.nextPosition());
    reader.close();
    writer.close();
    // 3) reset stream and consume tokens again
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    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());
    assertEquals(0, dpe.nextPosition());
    assertEquals(0, dpe.startOffset());
    final int endOffset = dpe.endOffset();
    assertEquals(1 + positionGap, dpe.nextPosition());
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    assertEquals(1, vector.size());
    TermsEnum termsEnum = vector.iterator(null);
    termsEnum.next();
    assertEquals(2, termsEnum.totalTermFreq());
    DocsAndPositionsEnum positions = termsEnum.docsAndPositions(null, null);
    assertTrue(positions.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(2, positions.freq());
    positions.nextPosition();
    assertEquals(0, positions.startOffset());
    assertEquals(4, positions.endOffset());
    positions.nextPosition();
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    assertEquals(0, positions.startOffset());
    assertEquals(4, positions.endOffset());
    positions.nextPosition();
    assertEquals(8, positions.startOffset());
    assertEquals(12, positions.endOffset());
    assertEquals(DocIdSetIterator.NO_MORE_DOCS, positions.nextDoc());
    r.close();
    dir.close();
  }
 
  public void testGeneral() throws IOException {
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