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WildcardTermEnum.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 WILDCARDTERMENUM_H
8 #define WILDCARDTERMENUM_H
9 
10 #include "FilteredTermEnum.h"
11 
12 namespace Lucene {
13 
18 class LPPAPI WildcardTermEnum : public FilteredTermEnum {
19 public:
24  WildcardTermEnum(const IndexReaderPtr& reader, const TermPtr& term);
25 
26  virtual ~WildcardTermEnum();
27 
29 
30 public:
31  static const wchar_t WILDCARD_STRING;
32  static const wchar_t WILDCARD_CHAR;
33 
35  String field;
36  String text;
37  String pre;
38  int32_t preLen;
39  bool _endEnum;
40 
41 public:
42  virtual double difference();
43 
45  static bool wildcardEquals(const String& pattern, int32_t patternIdx, const String& string, int32_t stringIdx);
46 
47 protected:
48  virtual bool termCompare(const TermPtr& term);
49  virtual bool endEnum();
50 };
51 
52 }
53 
54 #endif
Lucene::WildcardTermEnum::WILDCARD_CHAR
static const wchar_t WILDCARD_CHAR
Definition: WildcardTermEnum.h:32
Lucene::WildcardTermEnum::pre
String pre
Definition: WildcardTermEnum.h:37
Lucene::WildcardTermEnum
Subclass of FilteredTermEnum for enumerating all terms that match the specified wildcard filter term.
Definition: WildcardTermEnum.h:18
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Lucene::TermPtr
boost::shared_ptr< Term > TermPtr
Definition: LuceneTypes.h:233
Lucene::WildcardTermEnum::_endEnum
bool _endEnum
Definition: WildcardTermEnum.h:39
Lucene::FilteredTermEnum
Abstract class for enumerating a subset of all terms.
Definition: FilteredTermEnum.h:18
Lucene::WildcardTermEnum::field
String field
Definition: WildcardTermEnum.h:35
Lucene
Definition: AbstractAllTermDocs.h:12
FilteredTermEnum.h
Lucene::WildcardTermEnum::text
String text
Definition: WildcardTermEnum.h:36
Lucene::IndexReaderPtr
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition: LuceneTypes.h:157
Lucene::WildcardTermEnum::WILDCARD_STRING
static const wchar_t WILDCARD_STRING
Definition: WildcardTermEnum.h:28
Lucene::WildcardTermEnum::searchTerm
TermPtr searchTerm
Definition: WildcardTermEnum.h:34
Lucene::WildcardTermEnum::preLen
int32_t preLen
Definition: WildcardTermEnum.h:38

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