just some thoughts about serializer

serializer.h

@@ -0,0 +1,52 @@
+// Squawk messenger. 
+// Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef CORE_DATABASE_SERIALIZER_H
+#define CORE_DATABASE_SERIALIZER_H
+
+#include <QByteArray>
+#include <QBuffer>
+#include <QDataStream>
+
+#include "database.h"
+
+namespace Core {
+
+template<class T>
+class DataBase::Serializer
+{
+public:
+    Serializer();
+    Serializer(const T& value);
+    ~Serializer();
+
+    MDB_val setData(const T& value);
+    MDB_val getData();
+    void clear();
+
+private:
+    void _setData(const T& value);
+
+
+private:
+    QByteArray bytes;
+    QBuffer buffer;
+    QDataStream stream;
+};
+
+}
+
+#endif // CORE_DATABASE_SERIALIZER_H