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TopScoreDocCollector.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 TOPSCOREDOCCOLLECTOR_H
8 #define TOPSCOREDOCCOLLECTOR_H
9
10 #include "TopDocsCollector.h"
11
12 namespace Lucene
13 {
21 class LPPAPI TopScoreDocCollector : public TopDocsCollector
22 {
23 public:
24 TopScoreDocCollector(int32_t numHits);
25 virtual ~TopScoreDocCollector();
26
27 LUCENE_CLASS(TopScoreDocCollector);
28
29 INTERNAL:
30 ScoreDocPtr pqTop;
31 int32_t docBase;
32 ScorerWeakPtr _scorer;
33
34 public:
39 static TopScoreDocCollectorPtr create(int32_t numHits, bool docsScoredInOrder);
40
41 virtual void setNextReader(IndexReaderPtr reader, int32_t docBase);
42 virtual void setScorer(ScorerPtr scorer);
43
44 protected:
45 virtual TopDocsPtr newTopDocs(Collection<ScoreDocPtr> results, int32_t start);
46 };
47 }
48
49 #endif

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