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ConjunctionScorer.h
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1 // Copyright (c) 2009-2011 Alan Wright. All rights reserved.
3 // Distributable under the terms of either the Apache License (Version 2.0)
4 // or the GNU Lesser General Public License.
6
7 #ifndef CONJUNCTIONSCORER_H
8 #define CONJUNCTIONSCORER_H
9
10 #include "Scorer.h"
11
12 namespace Lucene
13 {
15 class ConjunctionScorer : public Scorer
16 {
17 public:
18 ConjunctionScorer(SimilarityPtr similarity, Collection<ScorerPtr> scorers);
19 virtual ~ConjunctionScorer();
20
21 LUCENE_CLASS(ConjunctionScorer);
22
23 protected:
24 Collection<ScorerPtr> scorers;
25 double coord;
26 int32_t lastDoc;
27
28 public:
29 virtual int32_t advance(int32_t target);
30 virtual int32_t docID();
31 virtual int32_t nextDoc();
32 virtual double score();
33
34 protected:
35 int32_t doNext();
36 };
37 }
38
39 #endif

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