uuid handling improved

src/core/entity.cpp

@@ -1,7 +1,20 @@
 #include "entity.h"
 
-#include <boost/uuid/uuid_generators.hpp>
+#include <iostream>
 
-Entity::Entity() : uuid(boost::uuids::random_generator()())
+#include <boost/uuid/uuid_generators.hpp>
+#include <boost/uuid/uuid_io.hpp>
+
+Entity::Entity() {}
+
+void Entity::createUuid()
 {
+    static boost::uuids::random_generator generator{};
+    uuid = generator();
+}
+
+void Entity::createUuidFromString(const std::string& uuid_string)
+{
+    boost::uuids::string_generator generator{};
+    uuid = generator(uuid_string);
 }

src/core/entity.h

@@ -7,12 +7,15 @@
 
 class Entity
 {
-public:
+  public:
     Entity();
-    ~Entity();
+    virtual ~Entity() = 0;
-    const boost::uuids::uuid& getUuid() {return uuid;};
+    const boost::uuids::uuid& getUuid() { return uuid; };
-private:
+    void createUuid();
-    boost::uuids::uuid uuid;
+    void createUuidFromString(const std::string& uuid_string);
+
+  private:
+    boost::uuids::uuid uuid{};
 };
 
-#endif //ENTITY_H
+#endif // ENTITY_H