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PrefixTermEnum.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 PREFIXTERMENUM_H
8 #define PREFIXTERMENUM_H
9 
10 #include "FilteredTermEnum.h"
11 
12 namespace Lucene {
13 
18 class LPPAPI PrefixTermEnum : public FilteredTermEnum {
19 public:
20  PrefixTermEnum(const IndexReaderPtr& reader, const TermPtr& prefix);
21  virtual ~PrefixTermEnum();
22 
24 
25 protected:
26  TermPtr prefix;
27  bool _endEnum;
28 
29 public:
30  virtual double difference();
31 
32 protected:
33  virtual bool endEnum();
34  virtual bool termCompare(const TermPtr& term);
35 
36  TermPtr getPrefixTerm();
37 };
38 
39 }
40 
41 #endif
boost::shared_ptr< Term > TermPtr
Definition: LuceneTypes.h:233
Subclass of FilteredTermEnum for enumerating all terms that match the specified prefix filter term...
Definition: PrefixTermEnum.h:18
bool _endEnum
Definition: PrefixTermEnum.h:27
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition: LuceneTypes.h:157
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Definition: AbstractAllTermDocs.h:12
Abstract class for enumerating a subset of all terms.
Definition: FilteredTermEnum.h:18

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