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PerFieldAnalyzerWrapper.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 PERFIELDANALYZERWRAPPER_H
8 #define PERFIELDANALYZERWRAPPER_H
9 
10 #include "Analyzer.h"
11 
12 namespace Lucene {
13 
29 class LPPAPI PerFieldAnalyzerWrapper : public Analyzer {
30 public:
34  PerFieldAnalyzerWrapper(const AnalyzerPtr& defaultAnalyzer);
35 
39  PerFieldAnalyzerWrapper(const AnalyzerPtr& defaultAnalyzer, MapStringAnalyzer fieldAnalyzers);
40 
41  virtual ~PerFieldAnalyzerWrapper();
42 
44 
45 protected:
46  AnalyzerPtr defaultAnalyzer;
47  MapStringAnalyzer analyzerMap;
48 
49 public:
53  void addAnalyzer(const String& fieldName, const AnalyzerPtr& analyzer);
54 
55  virtual TokenStreamPtr tokenStream(const String& fieldName, const ReaderPtr& reader);
56  virtual TokenStreamPtr reusableTokenStream(const String& fieldName, const ReaderPtr& reader);
57 
59  virtual int32_t getPositionIncrementGap(const String& fieldName);
60 
62  virtual int32_t getOffsetGap(const FieldablePtr& field);
63 
64  virtual String toString();
65 };
66 
67 }
68 
69 #endif
boost::shared_ptr< Reader > ReaderPtr
Definition: LuceneTypes.h:547
boost::shared_ptr< Analyzer > AnalyzerPtr
Definition: LuceneTypes.h:20
This analyzer is used to facilitate scenarios where different fields require different analysis techn...
Definition: PerFieldAnalyzerWrapper.h:29
An Analyzer builds TokenStreams, which analyze text. It thus represents a policy for extracting index...
Definition: Analyzer.h:19
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Definition: AbstractAllTermDocs.h:12
boost::shared_ptr< Fieldable > FieldablePtr
Definition: LuceneTypes.h:76
MapStringAnalyzer analyzerMap
Definition: PerFieldAnalyzerWrapper.h:47
boost::shared_ptr< TokenStream > TokenStreamPtr
Definition: LuceneTypes.h:63

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