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ScoreCachingWrappingScorer.h
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1 // 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:
27 
29 
30 protected:
32  int32_t curDoc;
33  double curScore;
34 
35 public:
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
Scorer.h
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Lucene::ScoreCachingWrappingScorer::_scorer
ScorerWeakPtr _scorer
Definition: ScoreCachingWrappingScorer.h:28
Lucene::ScoreCachingWrappingScorer::docID
virtual int32_t docID()
Returns the following:
Lucene::ScorerWeakPtr
boost::weak_ptr< Scorer > ScorerWeakPtr
Definition: LuceneTypes.h:429
Lucene::ScoreCachingWrappingScorer
A Scorer which wraps another scorer and caches the score of the current document. Successive calls to...
Definition: ScoreCachingWrappingScorer.h:22
Lucene::ScoreCachingWrappingScorer::score
virtual void score(const CollectorPtr &collector)
Scores and collects all matching documents.
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::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::curScore
double curScore
Definition: ScoreCachingWrappingScorer.h:33
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::Scorer
Common scoring functionality for different types of queries.
Definition: Scorer.h:22
Lucene::CollectorPtr
boost::shared_ptr< Collector > CollectorPtr
Definition: LuceneTypes.h:295
Lucene::ScorerPtr
boost::shared_ptr< Scorer > ScorerPtr
Definition: LuceneTypes.h:429
Lucene::ScoreCachingWrappingScorer::curDoc
int32_t curDoc
Definition: ScoreCachingWrappingScorer.h:32
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::ScoreCachingWrappingScorer
ScoreCachingWrappingScorer(const ScorerPtr &scorer)
Creates a new instance by wrapping the given scorer.
Lucene::SimilarityPtr
boost::shared_ptr< Similarity > SimilarityPtr
Definition: LuceneTypes.h:435
Lucene::ScoreCachingWrappingScorer::~ScoreCachingWrappingScorer
virtual ~ScoreCachingWrappingScorer()
Lucene::ScoreCachingWrappingScorer::getSimilarity
SimilarityPtr getSimilarity()
Lucene::ScoreCachingWrappingScorer::score
virtual double score()
Returns the score of the current document matching the query. Initially invalid, until {} or #advanc...

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