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PositiveScoresOnlyCollector.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 POSITIVESCORESONLYCOLLECTOR_H
8 #define POSITIVESCORESONLYCOLLECTOR_H
9 
10 #include "Collector.h"
11 
12 namespace Lucene {
13 
16 class LPPAPI PositiveScoresOnlyCollector : public Collector {
17 public:
20 
22 
23 protected:
26 
27 public:
28  virtual void collect(int32_t doc);
29  virtual void setNextReader(const IndexReaderPtr& reader, int32_t docBase);
30  virtual void setScorer(const ScorerPtr& scorer);
31  virtual bool acceptsDocsOutOfOrder();
32 };
33 
34 }
35 
36 #endif
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Collectors are primarily meant to be used to gather raw results from a search, and implement sorting ...
Definition: Collector.h:100
A Collector implementation which wraps another Collector and makes sure only documents with scores > ...
Definition: PositiveScoresOnlyCollector.h:16
ScorerPtr scorer
Definition: PositiveScoresOnlyCollector.h:25
PositiveScoresOnlyCollector(const CollectorPtr &c)
CollectorPtr collector
Definition: PositiveScoresOnlyCollector.h:21
virtual void setScorer(const ScorerPtr &scorer)
Called before successive calls to collect(int32_t). Implementations that need the score of the curren...
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...
virtual bool acceptsDocsOutOfOrder()
Return true if this collector does not require the matching docIDs to be delivered in int sort order ...
virtual void collect(int32_t doc)
Called once for every document matching a query, with the unbased document number.
Definition: AbstractAllTermDocs.h:12
boost::shared_ptr< Collector > CollectorPtr
Definition: LuceneTypes.h:295
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition: LuceneTypes.h:157
boost::shared_ptr< Scorer > ScorerPtr
Definition: LuceneTypes.h:429

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