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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_ | 5 #ifndef SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_ |
6 #define SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_ | 6 #define SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_ |
7 | 7 |
8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
9 #include "sync/base/sync_export.h" | 9 #include "sync/base/sync_export.h" |
10 #include "sync/syncable/directory_backing_store.h" | 10 #include "sync/syncable/directory_backing_store.h" |
11 | 11 |
12 namespace syncer { | 12 namespace syncer { |
13 namespace syncable { | 13 namespace syncable { |
14 | 14 |
15 // This is the concrete class that provides a useful implementation of | 15 // This is the concrete class that provides a useful implementation of |
16 // DirectoryBackingStore. | 16 // DirectoryBackingStore. |
17 class SYNC_EXPORT_PRIVATE OnDiskDirectoryBackingStore | 17 class SYNC_EXPORT_PRIVATE OnDiskDirectoryBackingStore |
18 : public DirectoryBackingStore { | 18 : public DirectoryBackingStore { |
19 public: | 19 public: |
20 OnDiskDirectoryBackingStore(const std::string& dir_name, | 20 OnDiskDirectoryBackingStore(const std::string& dir_name, |
21 const base::FilePath& backing_filepath); | 21 const base::FilePath& backing_filepath); |
22 virtual ~OnDiskDirectoryBackingStore(); | 22 virtual ~OnDiskDirectoryBackingStore(); |
23 virtual DirOpenResult Load( | 23 virtual DirOpenResult Load( |
24 Directory::MetahandlesMap* handles_map, | 24 Directory::MetahandlesMap* handles_map, |
25 JournalIndex* delete_journals, | 25 JournalIndex* delete_journals, |
26 Directory::KernelLoadInfo* kernel_load_info) OVERRIDE; | 26 Directory::KernelLoadInfo* kernel_load_info) override; |
27 | 27 |
28 // A helper function that will make one attempt to load the directory. | 28 // A helper function that will make one attempt to load the directory. |
29 // Unlike Load(), it does not attempt to recover from failure. | 29 // Unlike Load(), it does not attempt to recover from failure. |
30 DirOpenResult TryLoad( | 30 DirOpenResult TryLoad( |
31 Directory::MetahandlesMap* handles_map, | 31 Directory::MetahandlesMap* handles_map, |
32 JournalIndex* delete_journals, | 32 JournalIndex* delete_journals, |
33 Directory::KernelLoadInfo* kernel_load_info); | 33 Directory::KernelLoadInfo* kernel_load_info); |
34 | 34 |
35 protected: | 35 protected: |
36 // Subclasses may override this to avoid a possible DCHECK. | 36 // Subclasses may override this to avoid a possible DCHECK. |
37 virtual void ReportFirstTryOpenFailure(); | 37 virtual void ReportFirstTryOpenFailure(); |
38 | 38 |
39 private: | 39 private: |
40 FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, MinorCorruption); | 40 FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, MinorCorruption); |
41 | 41 |
42 bool allow_failure_for_test_; | 42 bool allow_failure_for_test_; |
43 base::FilePath backing_filepath_; | 43 base::FilePath backing_filepath_; |
44 | 44 |
45 DISALLOW_COPY_AND_ASSIGN(OnDiskDirectoryBackingStore); | 45 DISALLOW_COPY_AND_ASSIGN(OnDiskDirectoryBackingStore); |
46 }; | 46 }; |
47 | 47 |
48 } // namespace syncable | 48 } // namespace syncable |
49 } // namespace syncer | 49 } // namespace syncer |
50 | 50 |
51 #endif // SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_ | 51 #endif // SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_ |
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