Lucene++ - a full-featured, c++ search engine
API Documentation


 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Pages
PayloadFunction.h
Go to the documentation of this file.
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 PAYLOADFUNCTION_H
8 #define PAYLOADFUNCTION_H
9 
10 #include "LuceneObject.h"
11 
12 namespace Lucene {
13 
18 class LPPAPI PayloadFunction : public LuceneObject {
19 protected:
21 
22 public:
23  virtual ~PayloadFunction();
25 
26 public:
38  virtual double currentScore(int32_t docId, const String& field, int32_t start, int32_t end, int32_t numPayloadsSeen,
39  double currentScore, double currentPayloadScore) = 0;
40 
47  virtual double docScore(int32_t docId, const String& field, int32_t numPayloadsSeen, double payloadScore) = 0;
48 
50  virtual int32_t hashCode() = 0;
51 
53  virtual bool equals(const LuceneObjectPtr& other) = 0;
54 };
55 
56 }
57 
58 #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
Base class for all Lucene classes.
Definition: LuceneObject.h:31
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Definition: AbstractAllTermDocs.h:12

clucene.sourceforge.net