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

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