Observer¶

The pure virtual class Observer defines an interface for the observers in the observer pattern.

It has to be used together with the Observable class.

Code:: Observer.h

Public Methods¶

`notify`¶

virtual void notify(Observable *pObs, int iType, const void *pCom)=0;

pObs: Pointer to the observed object.
iType: Type of the notification (an integer).
pCom: Pointer to some data which has to be cast to the correct type.

This method is called by an Observable object.