DestructionObserver.hpp

#ifndef DESTRUCTIONOBSERVER_HPP
#define DESTRUCTIONOBSERVER_HPP

class DestructionNotifier;
class DestructionNotificationHub;
class DestructionObserver {
private:
    friend DestructionNotificationHub;
    virtual void notifyDestruction(const DestructionNotifier* ptr) = 0;

public:
    virtual ~DestructionObserver();
};

#endif // DESTRUCTIONOBSERVER_HPP