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FileSwitchDirectory.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 FILESWITCHDIRECTORY_H
8 #define FILESWITCHDIRECTORY_H
9 
10 #include "Directory.h"
11 
12 namespace Lucene {
13 
21 class LPPAPI FileSwitchDirectory : public Directory {
22 public:
23  FileSwitchDirectory(HashSet<String> primaryExtensions, const DirectoryPtr& primaryDir, const DirectoryPtr& secondaryDir, bool doClose);
24  virtual ~FileSwitchDirectory();
25 
27 
28 protected:
29  HashSet<String> primaryExtensions;
32  bool doClose;
33 
34 public:
36  DirectoryPtr getPrimaryDir();
37 
39  DirectoryPtr getSecondaryDir();
40 
42  virtual void close();
43 
45  virtual HashSet<String> listAll();
46 
48  static String getExtension(const String& name);
49 
51  virtual bool fileExists(const String& name);
52 
54  virtual uint64_t fileModified(const String& name);
55 
57  virtual void touchFile(const String& name);
58 
60  virtual void deleteFile(const String& name);
61 
63  virtual int64_t fileLength(const String& name);
64 
67  virtual IndexOutputPtr createOutput(const String& name);
68 
72  virtual void sync(const String& name);
73 
77  virtual IndexInputPtr openInput(const String& name);
78 
79 protected:
80  DirectoryPtr getDirectory(const String& name);
81 };
82 
83 }
84 
85 #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::FileSwitchDirectory::doClose
bool doClose
Definition: FileSwitchDirectory.h:32
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::FileSwitchDirectory::primaryDir
DirectoryPtr primaryDir
Definition: FileSwitchDirectory.h:30
Lucene::FileSwitchDirectory::secondaryDir
DirectoryPtr secondaryDir
Definition: FileSwitchDirectory.h:31
Lucene::FileUtils::fileLength
LPPAPI int64_t fileLength(const String &path)
Return file length in bytes.
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::FileSwitchDirectory
A Directory instance that switches files between two other Directory instances.
Definition: FileSwitchDirectory.h:21
Lucene::IndexInputPtr
boost::shared_ptr< IndexInput > IndexInputPtr
Definition: LuceneTypes.h:493
Lucene::HashSet< String >
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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