OLD | NEW |
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_SYNCABLE_READ_TRANSACTION_H_ | 5 #ifndef COMPONENTS_SYNC_SYNCABLE_SYNCABLE_READ_TRANSACTION_H_ |
6 #define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_READ_TRANSACTION_H_ | 6 #define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_READ_TRANSACTION_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "components/sync/syncable/syncable_base_transaction.h" | 11 #include "components/sync/syncable/syncable_base_transaction.h" |
12 | 12 |
13 namespace syncer { | 13 namespace syncer { |
14 | |
15 class ReadTransaction; | 14 class ReadTransaction; |
16 | |
17 namespace syncable { | 15 namespace syncable { |
18 | 16 |
19 // Locks db in constructor, unlocks in destructor. | 17 // Locks db in constructor, unlocks in destructor. |
20 class ReadTransaction : public BaseTransaction { | 18 class ReadTransaction : public BaseTransaction { |
21 public: | 19 public: |
22 ReadTransaction(const tracked_objects::Location& from_here, | 20 ReadTransaction(const tracked_objects::Location& from_here, |
23 Directory* directory); | 21 Directory* directory); |
24 | 22 |
25 ~ReadTransaction() override; | 23 ~ReadTransaction() override; |
26 | 24 |
27 protected: // Don't allow creation on heap, except by sync API wrapper. | 25 protected: // Don't allow creation on heap, except by sync API wrapper. |
28 void* operator new(size_t size) { return (::operator new)(size); } | 26 void* operator new(size_t size) { return (::operator new)(size); } |
29 | 27 |
30 private: | 28 private: |
31 friend class syncer::ReadTransaction; | 29 friend class syncer::ReadTransaction; |
32 | 30 |
33 DISALLOW_COPY_AND_ASSIGN(ReadTransaction); | 31 DISALLOW_COPY_AND_ASSIGN(ReadTransaction); |
34 }; | 32 }; |
35 | 33 |
36 } // namespace syncable | 34 } // namespace syncable |
37 } // namespace syncer | 35 } // namespace syncer |
38 | 36 |
39 #endif // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_READ_TRANSACTION_H_ | 37 #endif // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_READ_TRANSACTION_H_ |
OLD | NEW |