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AveragePayloadFunction.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 AVERAGEPAYLOADFUNCTION_H
8 #define AVERAGEPAYLOADFUNCTION_H
9 
10 #include "PayloadFunction.h"
11 
12 namespace Lucene {
13 
17 class LPPAPI AveragePayloadFunction : public PayloadFunction {
18 public:
19  virtual ~AveragePayloadFunction();
21 
22 public:
23  virtual double currentScore(int32_t docId, const String& field, int32_t start, int32_t end, int32_t numPayloadsSeen,
24  double currentScore, double currentPayloadScore);
25  virtual double docScore(int32_t docId, const String& field, int32_t numPayloadsSeen, double payloadScore);
26  virtual int32_t hashCode();
27  virtual bool equals(const LuceneObjectPtr& other);
28 };
29 
30 }
31 
32 #endif
An abstract class that defines a way for Payload*Query instances to transform the cumulative effects ...
Definition: PayloadFunction.h:18
boost::shared_ptr< LuceneObject > LuceneObjectPtr
Definition: LuceneTypes.h:539
Calculate the final score as the average score of all payloads seen.
Definition: AveragePayloadFunction.h:17
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Definition: AbstractAllTermDocs.h:12

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