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

Class org.apache.lucene.index.DocsAndPositionsEnum

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

org.apache.lucene.index.DocsAndPositionsEnum.startOffset()
Returns start offset for the current position, or -1 if offsets were not indexed.


      dpEnum.nextDoc();
      final int freq = dpEnum.freq();
      for(int posUpto=0;posUpto<freq;posUpto++) {
        final int pos = dpEnum.nextPosition();
        if (dpEnum.startOffset() < 0) {
          throw new IllegalArgumentException(
              "Required TermVector Offset information was not found");
        }
        final Token token = new Token(term,
                                      dpEnum.startOffset(),

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        if (dpEnum.startOffset() < 0) {
          throw new IllegalArgumentException(
              "Required TermVector Offset information was not found");
        }
        final Token token = new Token(term,
                                      dpEnum.startOffset(),
                                      dpEnum.endOffset());
        if (tokenPositionsGuaranteedContiguous && pos != -1) {
          // We have positions stored and a guarantee that the token position
          // information is contiguous

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    assertNotNull(dpEnum);
    assertTrue(dpEnum.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(5, dpEnum.freq());
    for(int i=0;i<5;i++) {
      dpEnum.nextPosition();
      assertEquals(4*i, dpEnum.startOffset());
      assertEquals(4*i+3, dpEnum.endOffset());
    }
    reader.close();
  }

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              boboTerm.positions = new ArrayList<Integer>();
              boboTerm.startOffsets = new ArrayList<Integer>();
              boboTerm.endOffsets = new ArrayList<Integer>();
              for (int t = 0; t < boboTerm.freq; ++t) {
                boboTerm.positions.add(docsAndPositions.nextPosition());
                boboTerm.startOffsets.add(docsAndPositions.startOffset());
                boboTerm.endOffsets.add(docsAndPositions.endOffset());
              }
            }
            boboTermList.add(boboTerm);
          }

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    final DocsAndPositionsEnum docsAndPositions = iterator.docsAndPositions( null, null );
    docsAndPositions.advance( 0 );//move to Document id 0


    docsAndPositions.nextPosition();
    assertEquals( 0, docsAndPositions.startOffset() );//first term in sentence
    assertEquals( 10, docsAndPositions.endOffset() );


    docsAndPositions.nextPosition();
    assertEquals( 29, docsAndPositions.startOffset() );//Term is mentioned again at character 29

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    docsAndPositions.nextPosition();
    assertEquals( 0, docsAndPositions.startOffset() );//first term in sentence
    assertEquals( 10, docsAndPositions.endOffset() );


    docsAndPositions.nextPosition();
    assertEquals( 29, docsAndPositions.startOffset() );//Term is mentioned again at character 29


    // cleanup
    for ( Object element : s.createQuery( "from " + Employee.class.getName() ).list() ) {
      s.delete( element );
    }

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              scratch.add(freq);
              if (hasPos) {
                for(int pos=0;pos<freq;pos++) {
                  scratch.add(docsAndPositionsEnum.nextPosition());
                  if (hasOffsets) {
                    scratch.add(docsAndPositionsEnum.startOffset());
                    scratch.add(docsAndPositionsEnum.endOffset());
                  }
                  if (hasPayloads) {
                    final BytesRef payload = docsAndPositionsEnum.getPayload();
                    if (payload != null) {

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                      payloads[upto][pos] = payloadBytes;
                    }
                  }
                  posUpto++;
                  if (hasOffsets) {
                    positions[upto][posUpto++] = docsAndPositionsEnum.startOffset();
                    positions[upto][posUpto++] = docsAndPositionsEnum.endOffset();
                  }
                }
              }
            }

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    Passage current = new Passage();
    
    OffsetsEnum off;
    while ((off = pq.poll()) != null) {
      final DocsAndPositionsEnum dp = off.dp;
      int start = dp.startOffset();
      if (start == -1) {
        throw new IllegalArgumentException("field '" + field + "' was indexed without offsets, cannot highlight");
      }
      int end = dp.endOffset();
      // LUCENE-5166: this hit would span the content limit... however more valid

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        if (off.pos == dp.freq()) {
          break; // removed from pq
        } else {
          off.pos++;
          dp.nextPosition();
          start = dp.startOffset();
          end = dp.endOffset();
        }
        if (start >= current.endOffset || end > contentLength) {
          pq.offer(off);
          break;

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