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RAMDirectory.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 RAMDIRECTORY_H
8 #define RAMDIRECTORY_H
9 
10 #include "Directory.h"
11 
12 namespace Lucene {
13 
17 class LPPAPI RAMDirectory : public Directory {
18 public:
20  RAMDirectory();
21 
31  RAMDirectory(const DirectoryPtr& dir);
32 
33  RAMDirectory(const DirectoryPtr& dir, bool closeDir);
34 
35  virtual ~RAMDirectory();
36 
38 
39 INTERNAL:
40  int64_t _sizeInBytes;
41  MapStringRAMFile fileMap;
42 
43 protected:
46  bool closeDir;
47 
48 public:
49  virtual void initialize();
50 
52  virtual HashSet<String> listAll();
53 
55  virtual bool fileExists(const String& name);
56 
58  virtual uint64_t fileModified(const String& name);
59 
61  virtual void touchFile(const String& name);
62 
64  virtual int64_t fileLength(const String& name);
65 
68  int64_t sizeInBytes();
69 
71  virtual void deleteFile(const String& name);
72 
75  virtual IndexOutputPtr createOutput(const String& name);
76 
78  virtual IndexInputPtr openInput(const String& name);
79 
81  virtual void close();
82 };
83 
84 }
85 
86 #endif
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Lucene::FileUtils::fileModified
LPPAPI uint64_t fileModified(const String &path)
Return file last modified date and time.
Lucene::Directory
A Directory is a flat list of files. Files may be written once, when they are created....
Definition: Directory.h:18
Lucene::FileUtils::touchFile
LPPAPI bool touchFile(const String &path)
Set file last modified date and time to now.
Lucene::DirectoryWeakPtr
boost::weak_ptr< Directory > DirectoryWeakPtr
Definition: LuceneTypes.h:489
Lucene::RAMDirectory::_dirSource
DirectoryWeakPtr _dirSource
Definition: RAMDirectory.h:44
Lucene::RAMDirectory::fileMap
MapStringRAMFile fileMap
Definition: RAMDirectory.h:41
Lucene::FileUtils::fileLength
LPPAPI int64_t fileLength(const String &path)
Return file length in bytes.
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::IndexInputPtr
boost::shared_ptr< IndexInput > IndexInputPtr
Definition: LuceneTypes.h:493
Lucene::HashSet< String >
Lucene::RAMDirectory
A memory-resident Directory implementation. Locking implementation is by default the SingleInstanceLo...
Definition: RAMDirectory.h:17
Lucene::RAMDirectory::closeDir
bool closeDir
Definition: RAMDirectory.h:46
Lucene::RAMDirectory::copyDirectory
bool copyDirectory
Definition: RAMDirectory.h:45
Lucene::DirectoryPtr
boost::shared_ptr< Directory > DirectoryPtr
Definition: LuceneTypes.h:489
Directory.h
Lucene::FileUtils::fileExists
LPPAPI bool fileExists(const String &path)
Return true if given file or directory exists.
Lucene::IndexOutputPtr
boost::shared_ptr< IndexOutput > IndexOutputPtr
Definition: LuceneTypes.h:494

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