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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 COMPONENTS_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_ | 5 #ifndef COMPONENTS_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_ |
6 #define COMPONENTS_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_ | 6 #define COMPONENTS_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
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29 namespace sync_pb { | 29 namespace sync_pb { |
30 class EntitySpecifics; | 30 class EntitySpecifics; |
31 } | 31 } |
32 | 32 |
33 namespace syncer { | 33 namespace syncer { |
34 namespace syncable { | 34 namespace syncable { |
35 | 35 |
36 extern const int32_t kCurrentDBVersion; | 36 extern const int32_t kCurrentDBVersion; |
37 extern const int32_t kCurrentPageSizeKB; | 37 extern const int32_t kCurrentPageSizeKB; |
38 | 38 |
39 struct ColumnSpec; | |
40 | |
41 // Interface that provides persistence for a syncable::Directory object. You can | 39 // Interface that provides persistence for a syncable::Directory object. You can |
42 // load all the persisted data to prime a syncable::Directory on startup by | 40 // load all the persisted data to prime a syncable::Directory on startup by |
43 // invoking Load. The only other thing you (or more correctly, a Directory) can | 41 // invoking Load. The only other thing you (or more correctly, a Directory) can |
44 // do here is save any changes that have occurred since calling Load, which can | 42 // do here is save any changes that have occurred since calling Load, which can |
45 // be done periodically as often as desired. | 43 // be done periodically as often as desired. |
46 // | 44 // |
47 // The DirectoryBackingStore will own an sqlite lock on its database for most of | 45 // The DirectoryBackingStore will own an sqlite lock on its database for most of |
48 // its lifetime. You must not have two DirectoryBackingStore objects accessing | 46 // its lifetime. You must not have two DirectoryBackingStore objects accessing |
49 // the database simultaneously. Because the lock exists at the database level, | 47 // the database simultaneously. Because the lock exists at the database level, |
50 // not even two separate browser instances would be able to acquire it | 48 // not even two separate browser instances would be able to acquire it |
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269 // sql::Connection is destroyed/recreated. | 267 // sql::Connection is destroyed/recreated. |
270 base::Closure catastrophic_error_handler_; | 268 base::Closure catastrophic_error_handler_; |
271 | 269 |
272 DISALLOW_COPY_AND_ASSIGN(DirectoryBackingStore); | 270 DISALLOW_COPY_AND_ASSIGN(DirectoryBackingStore); |
273 }; | 271 }; |
274 | 272 |
275 } // namespace syncable | 273 } // namespace syncable |
276 } // namespace syncer | 274 } // namespace syncer |
277 | 275 |
278 #endif // COMPONENTS_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_ | 276 #endif // COMPONENTS_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_ |
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