Update on main system framework

system/apparatus.h

@@ -1,11 +1,36 @@
 #ifndef APPARATUS_H
 #define APPARATUS_H
 
+#include <QFile>
+#include <QDataStream>
+
 
 class apparatus
 {
+private:
+    static apparatus *_instance;
+
+    QFile _bin_file;
+    QDataStream stream;
+
+    void open_reading_stream();
+    void close_reading_stream();
+
+    void open_writing_stream();
+    void close_writing_stream();
+
+    void writeGIDS();
+    void loadGIDS();
+
+    void serialize_data();
+    void deserialize_data();
+
 public:
     apparatus();
+
+    static apparatus& instance();
+    static void init();
+    static void shutdown();
 };
 
 #endif // APPARATUS_H