mukesh agrawal | 7a4e400 | 2011-09-06 11:26:05 -0700 | [diff] [blame] | 1 | // Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef SHILL_KEY_VALUE_STORE_ |
| 6 | #define SHILL_KEY_VALUE_STORE_ |
| 7 | |
| 8 | #include <map> |
| 9 | #include <string> |
| 10 | |
| 11 | #include <base/basictypes.h> |
| 12 | |
| 13 | namespace shill { |
| 14 | |
| 15 | class KeyValueStore { |
| 16 | // A simple store for key-value pairs, which supports (a limited set of) |
| 17 | // heterogenous value types. |
| 18 | // |
| 19 | // Compare to PropertyStore, which enables a class to (selectively) |
| 20 | // expose its instance members as properties accessible via |
| 21 | // RPC. (RPC support for ProperyStore is implemented in a |
| 22 | // protocol-specific adaptor. e.g. dbus_adpator.) |
| 23 | // |
| 24 | // Implemented separately from PropertyStore, to avoid complicating |
| 25 | // the PropertyStore interface. In particular, objects implementing the |
| 26 | // PropertyStore interface always provide the storage themselves. In |
| 27 | // contrast, users of KeyValueStore expect KeyValueStore to provide |
| 28 | // storage. |
| 29 | public: |
| 30 | KeyValueStore(); |
| 31 | |
| 32 | bool ContainsBool(const std::string &name) const; |
| 33 | bool ContainsString(const std::string &name) const; |
| 34 | |
| 35 | bool GetBool(const std::string &name) const; |
| 36 | const std::string &GetString(const std::string &name) const; |
| 37 | |
| 38 | void SetBool(const std::string &name, bool value); |
| 39 | void SetString(const std::string& name, |
| 40 | const std::string& value); |
| 41 | |
| 42 | private: |
| 43 | std::map<std::string, bool> bool_properties_; |
| 44 | std::map<std::string, std::string> string_properties_; |
| 45 | |
| 46 | DISALLOW_COPY_AND_ASSIGN(KeyValueStore); |
| 47 | }; |
| 48 | |
| 49 | } // namespace shill |
| 50 | |
| 51 | #endif // SHILL_KEY_VALUE_STORE_ |