Index: prefs_interface.h |
diff --git a/prefs_interface.h b/prefs_interface.h |
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+// Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_PREFS_INTERFACE_H__ |
+#define CHROMEOS_PLATFORM_UPDATE_ENGINE_PREFS_INTERFACE_H__ |
+ |
+#include <string> |
+ |
+namespace chromeos_update_engine { |
+ |
+// The prefs interface allows access to a persistent preferences |
+// store. The two reasons for providing this as an interface are |
+// testing as well as easier switching to a new implementation in the |
+// future, if necessary. |
+ |
+class PrefsInterface { |
+ public: |
+ // Gets a string |value| associated with |key|. Returns true on |
+ // success, false on failure (including when the |key| is not |
+ // present in the store). |
+ virtual bool GetString(const std::string& key, std::string* value) = 0; |
+ |
+ // Associates |key| with a string |value|. Returns true on success, |
+ // false otherwise. |
+ virtual bool SetString(const std::string& key, const std::string& value) = 0; |
+ |
+ // Gets an int64 |value| associated with |key|. Returns true on |
+ // success, false on failure (including when the |key| is not |
+ // present in the store). |
+ virtual bool GetInt64(const std::string& key, int64_t* value) = 0; |
+ |
+ // Associates |key| with an int64 |value|. Returns true on success, |
+ // false otherwise. |
+ virtual bool SetInt64(const std::string& key, const int64_t value) = 0; |
+}; |
+ |
+} // namespace chromeos_update_engine |
+ |
+#endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_PREFS_INTERFACE_H__ |