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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_SYNCABLE_ID_H_ | 5 #ifndef COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ |
6 #define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ | 6 #define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ |
7 | 7 |
8 #include <iosfwd> | 8 #include <iosfwd> |
9 #include <limits> | 9 #include <limits> |
10 #include <memory> | 10 #include <memory> |
11 #include <sstream> | 11 #include <sstream> |
12 #include <string> | 12 #include <string> |
13 | 13 |
14 #include "base/containers/hash_tables.h" | 14 #include "base/containers/hash_tables.h" |
15 | 15 |
16 namespace base { | 16 namespace base { |
17 class StringValue; | 17 class StringValue; |
18 } | 18 } // namespace base |
19 | 19 |
20 namespace sql { | 20 namespace sql { |
21 class Statement; | 21 class Statement; |
22 } | 22 } // namespace sql |
23 | 23 |
24 namespace syncer { | 24 namespace syncer { |
25 namespace syncable { | 25 namespace syncable { |
| 26 |
| 27 class Id; |
26 struct EntryKernel; | 28 struct EntryKernel; |
27 class Id; | |
28 | 29 |
29 std::ostream& operator<<(std::ostream& out, const Id& id); | 30 std::ostream& operator<<(std::ostream& out, const Id& id); |
30 | 31 |
31 // For historical reasons, 3 concepts got everloaded into the Id: | 32 // For historical reasons, 3 concepts got everloaded into the Id: |
32 // 1. A unique, opaque identifier for the object. | 33 // 1. A unique, opaque identifier for the object. |
33 // 2. Flag specifing whether server know about this object. | 34 // 2. Flag specifing whether server know about this object. |
34 // 3. Flag for root. | 35 // 3. Flag for root. |
35 // | 36 // |
36 // We originally wrapped an integer for this information, but now we use a | 37 // We originally wrapped an integer for this information, but now we use a |
37 // string. It will have one of three forms: | 38 // string. It will have one of three forms: |
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93 friend std::ostream& operator<<(std::ostream& out, const Id& id); | 94 friend std::ostream& operator<<(std::ostream& out, const Id& id); |
94 friend class SyncableIdTest; | 95 friend class SyncableIdTest; |
95 | 96 |
96 std::string s_; | 97 std::string s_; |
97 }; | 98 }; |
98 | 99 |
99 } // namespace syncable | 100 } // namespace syncable |
100 } // namespace syncer | 101 } // namespace syncer |
101 | 102 |
102 #endif // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ | 103 #endif // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ |
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