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Scorer.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 SCORER_H
8 #define SCORER_H
9
10 #include "DocIdSetIterator.h"
11
12 namespace Lucene
13 {
22 class LPPAPI Scorer : public DocIdSetIterator
23 {
24 public:
27 Scorer(SimilarityPtr similarity);
28 virtual ~Scorer();
29
30 LUCENE_CLASS(Scorer);
31
32 protected:
33 SimilarityPtr similarity;
34
35 public:
37 SimilarityPtr getSimilarity();
38
41 virtual void score(CollectorPtr collector);
42
46 virtual double score() = 0;
47
48 protected:
56 virtual bool score(CollectorPtr collector, int32_t max, int32_t firstDocID);
57
58 friend class BooleanScorer;
59 friend class ScoreCachingWrappingScorer;
60 };
61 }
62
63 #endif

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