Package org.apache.lucene.index

Examples of org.apache.lucene.index.TermPositions.nextPosition()

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    int count = 0;
    assertTrue(tp.next());
    // "a" occurs 4 times
    assertEquals(4, tp.freq());
    int expected = 0;
    assertEquals(expected, tp.nextPosition());
    assertEquals(1, tp.nextPosition());
    assertEquals(3, tp.nextPosition());
    assertEquals(6, tp.nextPosition());

    // only one doc has "a"
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    // Make sure position is still incremented when
    // massive term is skipped:
    TermPositions tps = reader.termPositions(new Term("content", "another"));
    assertTrue(tps.next());
    assertEquals(1, tps.freq());
    assertEquals(3, tps.nextPosition());

    // Make sure the doc that has the massive term is in
    // the index:
    assertEquals("document with wicked long term should is not in the index!", 2, reader.numDocs());
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    IndexReader reader = writer.getReader();
    TermPositions termPositions = reader.termPositions(new Term("preanalyzed", "term1"));
    assertTrue(termPositions.next());
    assertEquals(1, termPositions.freq());
    assertEquals(0, termPositions.nextPosition());

    termPositions.seek(new Term("preanalyzed", "term2"));
    assertTrue(termPositions.next());
    assertEquals(2, termPositions.freq());
    assertEquals(1, termPositions.nextPosition());
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    assertEquals(0, termPositions.nextPosition());

    termPositions.seek(new Term("preanalyzed", "term2"));
    assertTrue(termPositions.next());
    assertEquals(2, termPositions.freq());
    assertEquals(1, termPositions.nextPosition());
    assertEquals(3, termPositions.nextPosition());
   
    termPositions.seek(new Term("preanalyzed", "term3"));
    assertTrue(termPositions.next());
    assertEquals(1, termPositions.freq());
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    termPositions.seek(new Term("preanalyzed", "term2"));
    assertTrue(termPositions.next());
    assertEquals(2, termPositions.freq());
    assertEquals(1, termPositions.nextPosition());
    assertEquals(3, termPositions.nextPosition());
   
    termPositions.seek(new Term("preanalyzed", "term3"));
    assertTrue(termPositions.next());
    assertEquals(1, termPositions.freq());
    assertEquals(2, termPositions.nextPosition());
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    assertEquals(3, termPositions.nextPosition());
   
    termPositions.seek(new Term("preanalyzed", "term3"));
    assertTrue(termPositions.next());
    assertEquals(1, termPositions.freq());
    assertEquals(2, termPositions.nextPosition());
    reader.close();
    writer.close();
    // 3) reset stream and consume tokens again
    stream.reset();
    checkTokens(stream);
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        InstantiatedDocument document = documentsByNumber[termPositions.doc()];

        byte[][] payloads = new byte[termPositions.freq()][];
        int[] positions = new int[termPositions.freq()];
        for (int i = 0; i < termPositions.freq(); i++) {
          positions[i] = termPositions.nextPosition();

          if (termPositions.isPayloadAvailable()) {
            payloads[i] = new byte[termPositions.getPayloadLength()];
            termPositions.getPayload(payloads[i], 0);
          }
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    IndexSearcher searcher = newSearcher(reader);
   
    TermPositions pos = searcher.getIndexReader().termPositions(new Term("field", "1"));
    pos.next();
    // first token should be at position 0
    assertEquals(0, pos.nextPosition());
   
    pos = searcher.getIndexReader().termPositions(new Term("field", "2"));
    pos.next();
    // second token should be at position 2
    assertEquals(2, pos.nextPosition());
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    assertEquals(0, pos.nextPosition());
   
    pos = searcher.getIndexReader().termPositions(new Term("field", "2"));
    pos.next();
    // second token should be at position 2
    assertEquals(2, pos.nextPosition());
   
    PhraseQuery q;
    ScoreDoc[] hits;

    q = new PhraseQuery();
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    int count = 0;
    assertTrue(tp.next());
    // "a" occurs 4 times
    assertEquals(4, tp.freq());
    int expected = 0;
    assertEquals(expected, tp.nextPosition());
    assertEquals(1, tp.nextPosition());
    assertEquals(3, tp.nextPosition());
    assertEquals(6, tp.nextPosition());

    // only one doc has "a"
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