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TokenStream.h
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1 // Copyright (c) 2009-2011 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 TOKENSTREAM_H
8 #define TOKENSTREAM_H
9
10 #include "AttributeSource.h"
11
12 namespace Lucene
13 {
44 class LPPAPI TokenStream : public AttributeSource
45 {
46 protected:
48 TokenStream();
49
51 TokenStream(AttributeSourcePtr input);
52
54 TokenStream(AttributeFactoryPtr factory);
55
56 public:
57 virtual ~TokenStream();
58
59 LUCENE_CLASS(TokenStream);
60
61 public:
79 virtual bool incrementToken() = 0;
80
88 virtual void end();
89
96 virtual void reset();
97
99 virtual void close();
100 };
101 }
102
103 #endif

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