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CachingSpanFilter.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 CACHINGSPANFILTER_H
8 #define CACHINGSPANFILTER_H
9 
10 #include "SpanFilter.h"
11 #include "CachingWrapperFilter.h"
12 
13 namespace Lucene {
14 
17 class LPPAPI CachingSpanFilter : public SpanFilter {
18 public:
21  virtual ~CachingSpanFilter();
22 
24 
25 protected:
26  SpanFilterPtr filter;
28 
29 public:
30  // for testing
31  int32_t hitCount;
32  int32_t missCount;
33 
34 public:
35  virtual DocIdSetPtr getDocIdSet(const IndexReaderPtr& reader);
36  virtual SpanFilterResultPtr bitSpans(const IndexReaderPtr& reader);
37 
38  virtual String toString();
39  virtual bool equals(const LuceneObjectPtr& other);
40  virtual int32_t hashCode();
41 
42 protected:
43  SpanFilterResultPtr getCachedResult(const IndexReaderPtr& reader);
44 };
45 
46 }
47 
48 #endif
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Lucene::CachingSpanFilter
Wraps another SpanFilter's result and caches it. The purpose is to allow filters to simply filter,...
Definition: CachingSpanFilter.h:17
Lucene::CachingWrapperFilter::DELETES_RECACHE
Definition: CachingWrapperFilter.h:30
Lucene::LuceneObjectPtr
boost::shared_ptr< LuceneObject > LuceneObjectPtr
Definition: LuceneTypes.h:539
Lucene::SpanFilterResultPtr
boost::shared_ptr< SpanFilterResult > SpanFilterResultPtr
Definition: LuceneTypes.h:445
Lucene::SpanFilter
Abstract base class providing a mechanism to restrict searches to a subset of an index and also maint...
Definition: SpanFilter.h:21
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::IndexReaderPtr
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition: LuceneTypes.h:157
Lucene::CachingSpanFilter::missCount
int32_t missCount
Definition: CachingSpanFilter.h:32
Lucene::CachingWrapperFilter::DeletesMode
DeletesMode
Specifies how new deletions against a reopened reader should be handled.
Definition: CachingWrapperFilter.h:30
Lucene::SpanFilterPtr
boost::shared_ptr< SpanFilter > SpanFilterPtr
Definition: LuceneTypes.h:444
Lucene::DocIdSetPtr
boost::shared_ptr< DocIdSet > DocIdSetPtr
Definition: LuceneTypes.h:323
Lucene::CachingSpanFilter::hitCount
int32_t hitCount
Definition: CachingSpanFilter.h:31
Lucene::CachingSpanFilter::cache
FilterCachePtr cache
Definition: CachingSpanFilter.h:27
Lucene::FilterCachePtr
boost::shared_ptr< FilterCache > FilterCachePtr
Definition: LuceneTypes.h:359
SpanFilter.h
CachingWrapperFilter.h

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