UtlObservableImpl Class Reference

#include <UtlObservableImpl.h>

Inheritance diagram for UtlObservableImpl:

Collaboration diagram for UtlObservableImpl:

Public Member Functions
	UtlObservableImpl ()
virtual void	registerObserver (UtlObserver *observer)=0
virtual void	removeObserver (UtlObserver *observer)=0
Public Member Functions inherited from UtlObservable
virtual	~UtlObservable ()

Protected Member Functions
virtual void	notify (int code, void *pUserData)

Constructor & Destructor Documentation

UtlObservableImpl

(

)

Constructor.

Member Function Documentation

virtual void registerObserver ( UtlObserver *  observer )

pure virtual

Implementation of UtlObservable::registerObserver.

Parameters

observer

The observer that wants to "listen to" this observable's state changes.

Implements UtlObservable.

virtual void removeObserver ( UtlObserver *  observer )

pure virtual

Implementation of UtlObservable::removeObserver.

Parameters

observer

The observer that no longer wants to "listen to" this observable's state changes.

Implements UtlObservable.

virtual void notify ( int  code, void *  pUserData  )

protectedvirtual

Implementation of UtlObservable::notify.

Parameters

code	An integer notification value. For example, it can be used to indicate the observable's state.
pUserData	A reference to any object that the observable may pass to the observer.

Implements UtlObservable.