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

Class org.apache.lucene.index.TermPositions

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

org.apache.lucene.index.TermPositions.nextPosition()
Returns next position in the current document. It is an error to call this more than {@link #freq()} timeswithout calling {@link #next()}
This is invalid until {@link #next()} is called forthe first time.


    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();
    
    // 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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                  {
                     type = PropertyType.UNDEFINED;
                     if (hasPayloads)
                     {
                        TermPositions termPos = (TermPositions)termDocs;
                        termPos.nextPosition();
                        if (termPos.isPayloadAvailable())
                        {
                           payload = termPos.getPayload(payload, 0);
                           type = PropertyMetaData.fromByteArray(payload).getPropertyType();
                        }

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                        termDocs.seek(termEnum);
                        while (termDocs.next()) {
                            type = PropertyType.UNDEFINED;
                            if (hasPayloads) {
                                TermPositions termPos = (TermPositions) termDocs;
                                termPos.nextPosition();
                                if (termPos.isPayloadAvailable()) {
                                    payload = termPos.getPayload(payload, 0);
                                    type = PropertyMetaData.fromByteArray(payload).getPropertyType();
                                }
                            }

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            assertEquals(aprioriTermPositions.freq(), testTermPositions.freq());




            for (int termPositionIndex = 0; termPositionIndex < aprioriTermPositions.freq(); termPositionIndex++) {
              int aprioriPos = aprioriTermPositions.nextPosition();
              int testPos = testTermPositions.nextPosition();


              if (aprioriPos != testPos) {
                assertEquals(aprioriPos, testPos);
              }

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    IndexSearcher searcher = new IndexSearcher(store, true);
    
    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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    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"
    assertFalse(tp.next());

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