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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
26 LUCENE_CLASS(FileSwitchDirectory);
27
28 protected:
29 HashSet<String> primaryExtensions;
30 DirectoryPtr primaryDir;
31 DirectoryPtr secondaryDir;
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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