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PerFieldAnalyzerWrapper.h
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1
2// 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
12namespace Lucene {
13
29class LPPAPI PerFieldAnalyzerWrapper : public Analyzer {
30public:
34 PerFieldAnalyzerWrapper(const AnalyzerPtr& defaultAnalyzer);
35
39 PerFieldAnalyzerWrapper(const AnalyzerPtr& defaultAnalyzer, MapStringAnalyzer fieldAnalyzers);
40
42
44
45protected:
47 MapStringAnalyzer analyzerMap;
48
49public:
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
#define LUCENE_CLASS(Name)
Definition LuceneObject.h:24
An Analyzer builds TokenStreams, which analyze text. It thus represents a policy for extracting index...
Definition Analyzer.h:19
This analyzer is used to facilitate scenarios where different fields require different analysis techn...
Definition PerFieldAnalyzerWrapper.h:29
virtual TokenStreamPtr reusableTokenStream(const String &fieldName, const ReaderPtr &reader)
Creates a TokenStream that is allowed to be re-used from the previous time that the same thread calle...
MapStringAnalyzer analyzerMap
Definition PerFieldAnalyzerWrapper.h:47
virtual int32_t getOffsetGap(const FieldablePtr &field)
Return the offsetGap from the analyzer assigned to field.
PerFieldAnalyzerWrapper(const AnalyzerPtr &defaultAnalyzer)
Constructs with default analyzer.
virtual TokenStreamPtr tokenStream(const String &fieldName, const ReaderPtr &reader)
Creates a TokenStream which tokenizes all the text in the provided Reader. Must be able to handle nul...
virtual String toString()
Returns a string representation of the object.
PerFieldAnalyzerWrapper(const AnalyzerPtr &defaultAnalyzer, MapStringAnalyzer fieldAnalyzers)
Constructs with default analyzer and a map of analyzers to use for specific fields.
AnalyzerPtr defaultAnalyzer
Definition PerFieldAnalyzerWrapper.h:46
virtual int32_t getPositionIncrementGap(const String &fieldName)
Return the positionIncrementGap from the analyzer assigned to fieldName.
void addAnalyzer(const String &fieldName, const AnalyzerPtr &analyzer)
Defines an analyzer to use for the specified field.
Definition AbstractAllTermDocs.h:12
boost::shared_ptr< Fieldable > FieldablePtr
Definition LuceneTypes.h:76
boost::shared_ptr< TokenStream > TokenStreamPtr
Definition LuceneTypes.h:63
boost::shared_ptr< Analyzer > AnalyzerPtr
Definition LuceneTypes.h:20
boost::shared_ptr< Reader > ReaderPtr
Definition LuceneTypes.h:547

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