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

- Main Page
- Related Pages
- Namespaces
- Data Structures
- Files

- File List
- Globals

All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Pages
SloppyPhraseScorer.h
Go to the documentation of this file.
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 SLOPPYPHRASESCORER_H
8 #define SLOPPYPHRASESCORER_H
9
10 #include "PhraseScorer.h"
11
12 namespace Lucene
13 {
14 class SloppyPhraseScorer : public PhraseScorer
15 {
16 public:
17 SloppyPhraseScorer(WeightPtr weight, Collection<TermPositionsPtr> tps, Collection<int32_t> offsets, SimilarityPtr similarity, int32_t slop, ByteArray norms);
18 virtual ~SloppyPhraseScorer();
19
20 LUCENE_CLASS(SloppyPhraseScorer);
21
22 protected:
23 int32_t slop;
24 Collection<PhrasePositionsPtr> repeats;
25 Collection<PhrasePositionsPtr> tmpPos; // for flipping repeating pps
26 bool checkedRepeats;
27
28 public:
41 virtual double phraseFreq();
42
43 protected:
46 PhrasePositionsPtr flip(PhrasePositionsPtr pp, PhrasePositionsPtr pp2);
47
59 int32_t initPhrasePositions();
60
65 PhrasePositionsPtr termPositionsDiffer(PhrasePositionsPtr pp);
66 };
67 }
68
69 #endif

clucene.sourceforge.net