Package org.apache.lucene.index

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

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    assertEquals( "electrical", next.utf8ToString() );
    assertEquals( 2, totalTermFreq );

    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() );
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  @Override
  public final int advance(int target) throws IOException {
    while (_queue.top() != null && target > _queue.top().docID()) {
      DocsAndPositionsEnum postings = _queue.pop();
      if (postings.advance(target) != NO_MORE_DOCS) {
        _queue.add(postings);
      }
    }
    return nextDoc();
  }
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    DocsAndPositionsEnum positions = MultiFields.getTermPositionsEnum(reader, null,
        Consts.FIELD_PAYLOADS, Consts.PAYLOAD_PARENT_BYTES_REF,
        DocsAndPositionsEnum.FLAG_PAYLOADS);

    // shouldn't really happen, if it does, something's wrong
    if (positions == null || positions.advance(first) == DocIdSetIterator.NO_MORE_DOCS) {
      throw new CorruptIndexException("Missing parent data for category " + first);
    }
   
    int num = reader.maxDoc();
    for (int i = first; i < num; i++) {
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      }
     
      // if there are multi-term matches, we have to initialize the "fake" enum for each document
      if (automata.length > 0) {
        DocsAndPositionsEnum dp = MultiTermHighlighting.getDocsEnum(analyzer.tokenStream(field, content), automata);
        dp.advance(doc - subContext.docBase);
        postings[terms.length-1] = dp; // last term is the multiterm matcher
      }
     
      Passage passages[] = highlightDoc(field, terms, content.length(), bi, doc - subContext.docBase, termsEnum, postings, maxPassages);
     
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        de = postings[i] = termsEnum.docsAndPositions(null, null, DocsAndPositionsEnum.FLAG_OFFSETS);
        if (de == null) {
          // no positions available
          throw new IllegalArgumentException("field '" + field + "' was indexed without offsets, cannot highlight");
        }
        pDoc = de.advance(doc);
      } else {
        pDoc = de.docID();
        if (pDoc < doc) {
          pDoc = de.advance(doc);
        }
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        }
        pDoc = de.advance(doc);
      } else {
        pDoc = de.docID();
        if (pDoc < doc) {
          pDoc = de.advance(doc);
        }
      }

      if (doc == pDoc) {
        weights[i] = scorer.weight(contentLength, de.freq());
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