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CachingTokenFilter.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 CACHINGTOKENFILTER_H
8#define CACHINGTOKENFILTER_H
9
10#include "TokenFilter.h"
11
12namespace Lucene {
13
19class LPPAPI CachingTokenFilter : public TokenFilter {
20public:
23
25
26protected:
30
31public:
32 virtual bool incrementToken();
33 virtual void end();
34 virtual void reset();
35
36protected:
37 void fillCache();
38};
39
40}
41
42#endif
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
This class can be used if the token attributes of a TokenStream are intended to be consumed more than...
Definition: CachingTokenFilter.h:19
virtual void reset()
Reset the filter as well as the input TokenStream.
virtual void end()
Performs end-of-stream operations, if any, and calls then end() on the input TokenStream....
virtual bool incrementToken()
Consumers (ie., IndexWriter) use this method to advance the stream to the next token....
Collection< AttributeSourceStatePtr > cache
Definition: CachingTokenFilter.h:27
AttributeSourceStatePtr finalState
Definition: CachingTokenFilter.h:29
Collection< AttributeSourceStatePtr >::iterator iterator
Definition: CachingTokenFilter.h:28
CachingTokenFilter(const TokenStreamPtr &input)
A TokenFilter is a TokenStream whose input is another TokenStream.
Definition: TokenFilter.h:18
Definition: AbstractAllTermDocs.h:12
boost::shared_ptr< TokenStream > TokenStreamPtr
Definition: LuceneTypes.h:63
boost::shared_ptr< AttributeSourceState > AttributeSourceStatePtr
Definition: LuceneTypes.h:521

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