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ScoreCachingWrappingScorer.h
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1
2// Copyright (c) 2009-2014 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 SCORECACHINGWRAPPINGSCORER_H
8#define SCORECACHINGWRAPPINGSCORER_H
9
10#include "Scorer.h"
11
12 namespace Lucene {
13
22 class LPPAPI ScoreCachingWrappingScorer : public Scorer {
23 public:
25 ScoreCachingWrappingScorer(const ScorerPtr& scorer);
26 virtual ~ScoreCachingWrappingScorer();
27
28 LUCENE_CLASS(ScoreCachingWrappingScorer);
29
30 protected:
31 ScorerWeakPtr _scorer;
32 int32_t curDoc;
33 double curScore;
34
35 public:
36 SimilarityPtr getSimilarity();
37 virtual double score();
38 virtual int32_t docID();
39 virtual int32_t nextDoc();
40 virtual void score(const CollectorPtr& collector);
41 virtual int32_t advance(int32_t target);
42
43 protected:
44 virtual bool score(const CollectorPtr& collector, int32_t max, int32_t firstDocID);
45};
46
47}
48
49#endif
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition LuceneObject.h:24
Scorer.h
Lucene::ScoreCachingWrappingScorer::advance
virtual int32_t advance(int32_t target)
Advances to the first beyond the current whose document number is greater than or equal to target....
Lucene::ScoreCachingWrappingScorer::curDoc
int32_t curDoc
Definition ScoreCachingWrappingScorer.h:32
Lucene::ScoreCachingWrappingScorer::nextDoc
virtual int32_t nextDoc()
Advances to the next document in the set and returns the doc it is currently on, or NO_MORE_DOCS if t...
Lucene::ScoreCachingWrappingScorer::score
virtual void score(const CollectorPtr &collector)
Scores and collects all matching documents.
Lucene::ScoreCachingWrappingScorer::score
virtual double score()
Returns the score of the current document matching the query. Initially invalid, until nextDoc() or a...
Lucene::ScoreCachingWrappingScorer::~ScoreCachingWrappingScorer
virtual ~ScoreCachingWrappingScorer()
Lucene::ScoreCachingWrappingScorer::curScore
double curScore
Definition ScoreCachingWrappingScorer.h:33
Lucene::ScoreCachingWrappingScorer::_scorer
ScorerWeakPtr _scorer
Definition ScoreCachingWrappingScorer.h:31
Lucene::ScoreCachingWrappingScorer::score
virtual bool score(const CollectorPtr &collector, int32_t max, int32_t firstDocID)
Collects matching documents in a range. Hook for optimization. Note, firstDocID is added to ensure th...
Lucene::ScoreCachingWrappingScorer::docID
virtual int32_t docID()
Returns the following:
Lucene::ScoreCachingWrappingScorer::ScoreCachingWrappingScorer
ScoreCachingWrappingScorer(const ScorerPtr &scorer)
Creates a new instance by wrapping the given scorer.
Lucene::ScoreCachingWrappingScorer::getSimilarity
SimilarityPtr getSimilarity()
Lucene::Scorer::Scorer
Scorer(const SimilarityPtr &similarity)
Constructs a Scorer.
Lucene
Definition AbstractAllTermDocs.h:12
Lucene::ScorerWeakPtr
boost::weak_ptr< Scorer > ScorerWeakPtr
Definition LuceneTypes.h:429
Lucene::SimilarityPtr
boost::shared_ptr< Similarity > SimilarityPtr
Definition LuceneTypes.h:435
Lucene::ScorerPtr
boost::shared_ptr< Scorer > ScorerPtr
Definition LuceneTypes.h:429
Lucene::CollectorPtr
boost::shared_ptr< Collector > CollectorPtr
Definition LuceneTypes.h:295

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