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ConstantScoreQuery.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 CONSTANTSCOREQUERY_H
8 #define CONSTANTSCOREQUERY_H
9 
10 #include "Query.h"
11 #include "Weight.h"
12 #include "Scorer.h"
13 
14 namespace Lucene
15 {
18  class LPPAPI ConstantScoreQuery : public Query
19  {
20  public:
22  virtual ~ConstantScoreQuery();
23 
25 
26  protected:
27  FilterPtr filter;
28 
29  public:
30  using Query::toString;
31 
33  FilterPtr getFilter();
34 
35  virtual QueryPtr rewrite(IndexReaderPtr reader);
36  virtual void extractTerms(SetTerm terms);
37 
38  virtual WeightPtr createWeight(SearcherPtr searcher);
39 
41  virtual String toString(const String& field);
42 
43  virtual bool equals(LuceneObjectPtr other);
44  virtual int32_t hashCode();
45  virtual LuceneObjectPtr clone(LuceneObjectPtr other = LuceneObjectPtr());
46 
47  friend class ConstantWeight;
48  friend class ConstantScorer;
49  };
50 }
51 
52 #endif

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