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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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_SYNCABLE_ID_H_ | 5 #ifndef SYNC_SYNCABLE_SYNCABLE_ID_H_ |
6 #define SYNC_SYNCABLE_SYNCABLE_ID_H_ | 6 #define SYNC_SYNCABLE_SYNCABLE_ID_H_ |
7 | 7 |
8 #include <iosfwd> | 8 #include <iosfwd> |
9 #include <limits> | 9 #include <limits> |
10 #include <sstream> | 10 #include <sstream> |
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95 // by operator<. | 95 // by operator<. |
96 Id GetLexicographicSuccessor() const; | 96 Id GetLexicographicSuccessor() const; |
97 | 97 |
98 // Dumps the ID as a value and returns it. Transfers ownership of | 98 // Dumps the ID as a value and returns it. Transfers ownership of |
99 // the StringValue to the caller. | 99 // the StringValue to the caller. |
100 base::StringValue* ToValue() const; | 100 base::StringValue* ToValue() const; |
101 | 101 |
102 // Three functions are used to work with our proto buffers. | 102 // Three functions are used to work with our proto buffers. |
103 std::string GetServerId() const; | 103 std::string GetServerId() const; |
104 static Id CreateFromServerId(const std::string& server_id); | 104 static Id CreateFromServerId(const std::string& server_id); |
| 105 |
105 // This should only be used if you get back a reference to a local | 106 // This should only be used if you get back a reference to a local |
106 // id from the server. Returns a client only opaque id. | 107 // id from the server. Returns a client only opaque id. |
107 static Id CreateFromClientString(const std::string& local_id); | 108 static Id CreateFromClientString(const std::string& local_id); |
108 | 109 |
109 // This method returns an ID that will compare less than any valid ID. | 110 // This method returns an ID that will compare less than any valid ID. |
110 // The returned ID is not a valid ID itself. This is useful for | 111 // The returned ID is not a valid ID itself. This is useful for |
111 // computing lower bounds on std::sets that are ordered by operator<. | 112 // computing lower bounds on std::sets that are ordered by operator<. |
112 static Id GetLeastIdForLexicographicComparison(); | 113 static Id GetLeastIdForLexicographicComparison(); |
113 | 114 |
114 private: | 115 private: |
115 friend scoped_ptr<EntryKernel> UnpackEntry(sql::Statement* statement); | 116 friend scoped_ptr<EntryKernel> UnpackEntry(sql::Statement* statement); |
116 friend void BindFields(const EntryKernel& entry, | 117 friend void BindFields(const EntryKernel& entry, |
117 sql::Statement* statement); | 118 sql::Statement* statement); |
118 friend std::ostream& operator<<(std::ostream& out, const Id& id); | 119 friend std::ostream& operator<<(std::ostream& out, const Id& id); |
119 friend class MockConnectionManager; | 120 friend class MockConnectionManager; |
120 friend class SyncableIdTest; | 121 friend class SyncableIdTest; |
121 | 122 |
122 std::string s_; | 123 std::string s_; |
123 }; | 124 }; |
124 | 125 |
125 Id GetNullId(); | 126 Id GetNullId(); |
126 | 127 |
127 } // namespace syncable | 128 } // namespace syncable |
128 } // namespace syncer | 129 } // namespace syncer |
129 | 130 |
130 #endif // SYNC_SYNCABLE_SYNCABLE_ID_H_ | 131 #endif // SYNC_SYNCABLE_SYNCABLE_ID_H_ |
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