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TopScoreDocCollector.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 TOPSCOREDOCCOLLECTOR_H
8 #define TOPSCOREDOCCOLLECTOR_H
9 
10 #include "TopDocsCollector.h"
11 
12 namespace Lucene {
13 
21 class LPPAPI TopScoreDocCollector : public TopDocsCollector {
22 public:
23  TopScoreDocCollector(int32_t numHits);
25 
27 
28 INTERNAL:
29  ScoreDocPtr pqTop;
30  int32_t docBase;
32 
33 public:
38  static TopScoreDocCollectorPtr create(int32_t numHits, bool docsScoredInOrder);
39 
40  virtual void setNextReader(const IndexReaderPtr& reader, int32_t docBase);
41  virtual void setScorer(const ScorerPtr& scorer);
42 
43 protected:
44  virtual TopDocsPtr newTopDocs(Collection<ScoreDocPtr> results, int32_t start);
45 };
46 
47 }
48 
49 #endif
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Lucene::TopScoreDocCollector::create
static TopScoreDocCollectorPtr create(int32_t numHits, bool docsScoredInOrder)
Creates a new TopScoreDocCollector given the number of hits to collect and whether documents are scor...
Lucene::Collection< ScoreDocPtr >
Lucene::ScorerWeakPtr
boost::weak_ptr< Scorer > ScorerWeakPtr
Definition: LuceneTypes.h:429
Lucene::ScoreDocPtr
boost::shared_ptr< ScoreDoc > ScoreDocPtr
Definition: LuceneTypes.h:428
Lucene::TopDocsCollector
A base class for all collectors that return a TopDocs output. This collector allows easy extension by...
Definition: TopDocsCollector.h:21
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::IndexReaderPtr
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition: LuceneTypes.h:157
Lucene::TopScoreDocCollector::setNextReader
virtual void setNextReader(const IndexReaderPtr &reader, int32_t docBase)
Called before collecting from each IndexReader. All doc ids in collect(int32_t) will correspond to re...
Lucene::TopScoreDocCollector::TopScoreDocCollector
TopScoreDocCollector(int32_t numHits)
Lucene::TopScoreDocCollector::setScorer
virtual void setScorer(const ScorerPtr &scorer)
Called before successive calls to collect(int32_t). Implementations that need the score of the curren...
Lucene::ScorerPtr
boost::shared_ptr< Scorer > ScorerPtr
Definition: LuceneTypes.h:429
Lucene::TopScoreDocCollectorPtr
boost::shared_ptr< TopScoreDocCollector > TopScoreDocCollectorPtr
Definition: LuceneTypes.h:475
Lucene::TopDocsPtr
boost::shared_ptr< TopDocs > TopDocsPtr
Definition: LuceneTypes.h:471
Lucene::TopScoreDocCollector::docBase
int32_t docBase
Definition: TopScoreDocCollector.h:30
Lucene::TopScoreDocCollector::~TopScoreDocCollector
virtual ~TopScoreDocCollector()
Lucene::TopScoreDocCollector::newTopDocs
virtual TopDocsPtr newTopDocs(Collection< ScoreDocPtr > results, int32_t start)
Returns a TopDocs instance containing the given results. If results is null it means there are no res...
TopDocsCollector.h
Lucene::TopScoreDocCollector
A Collector implementation that collects the top-scoring hits, returning them as a TopDocs....
Definition: TopScoreDocCollector.h:21
Lucene::TopScoreDocCollector::_scorer
ScorerWeakPtr _scorer
Definition: TopScoreDocCollector.h:31

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