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.

                        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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    IndexReader reader = IndexReader.open(dir);
    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();
    
    // 3) reset stream and consume tokens again
    stream.reset();
    checkTokens(stream);

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

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    tp.seek(term);
    while(tp.next())
    {
      if(tp.freq() > 0)
      {
        tp.nextPosition();
        if(tp.isPayloadAvailable())
        {
          int len = tp.getPayloadLength();
          payloadBuf = tp.getPayload(payloadBuf, 0);
          add(tp.doc(), payloadBuf, len);

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        while(tp.next())
        {
          if(tp.freq() > 0)
          {
            tp.nextPosition();
            tp.getPayload(payloadBuffer, 0);
            int len = bytesToInt(payloadBuffer);
            allocate(tp.doc(), Math.min(len, _maxItems), true);
          }
        }

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        while(tp.next())
        {
          if(tp.freq() > 0)
          {
            tp.nextPosition();
            tp.getPayload(payloadBuffer, 0);
            int len = bytesToInt(payloadBuffer);
            allocate(tp.doc(), Math.min(len, _maxItems), true);
          }
        }

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    IndexReader reader = IndexReader.open(dir);
    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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