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[ric-plt/sdl.git] / include / private / syncstorageimpl.hpp

diff --git a/include/private/syncstorageimpl.hpp b/include/private/syncstorageimpl.hpp
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+/*
+   Copyright (c) 2018-2019 Nokia.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+#ifndef SHAREDDATALAYER_SYNCSTORAGEIMPL_HPP_
+#define SHAREDDATALAYER_SYNCSTORAGEIMPL_HPP_
+
+#include <sdl/syncstorage.hpp>
+#include <system_error>
+
+namespace shareddatalayer
+{
+    class AsyncStorage;
+
+    class System;
+
+    class SyncStorageImpl: public SyncStorage
+    {
+    public:
+        explicit SyncStorageImpl(std::unique_ptr<AsyncStorage> asyncStorage);
+
+        SyncStorageImpl(std::unique_ptr<AsyncStorage> asyncStorage,
+                        System& system);
+
+        void set(const Namespace& ns, const DataMap& dataMap) override;
+
+        bool setIf(const Namespace& ns, const Key& key, const Data& oldData, const Data& newData) override;
+
+        bool setIfNotExists(const Namespace& ns, const Key& key, const Data& data) override;
+
+        DataMap get(const Namespace& ns, const Keys& keys) override;
+
+        void remove(const Namespace& ns, const Keys& keys) override;
+
+        bool removeIf(const Namespace& ns, const Key& key, const Data& data) override;
+
+        Keys findKeys(const Namespace& ns, const std::string& keyPrefix) override;
+
+        void removeAll(const Namespace& ns) override;
+
+    private:
+        std::unique_ptr<AsyncStorage> asyncStorage;
+        System& system;
+        int pFd;
+        DataMap localMap;
+        Keys localKeys;
+        bool localStatus;
+        std::error_code localError;
+        bool synced;
+
+        void verifyBackendResponse();
+
+        void waitForCallback();
+
+        void waitSdlToBeReady(const Namespace& ns);
+
+        void modifyAck(const std::error_code& error);
+
+        void modifyIfAck(const std::error_code& error, bool status);
+
+        void getAck(const std::error_code& error, const DataMap& dataMap);
+
+        void findKeysAck(const std::error_code& error, const Keys& keys);
+    };
+}
+
+#endif