Base::Subject< _MessageType > Class Template Reference

#include <Base/Observer.h>

Detailed Description

template<class _MessageType>
class Base::Subject< _MessageType >

Subject class Implementation of the well known Observer Design Pattern. The observed object, which inherit FCSubject, will call all its observers in case of changes. A observer class has to Attach itself to the observed object.

See also

FCObserver

Public Member Functions
	Subject ()
virtual	~Subject ()
void	Attach (Observer< _MessageType > *ToObserv)
void	Detach (Observer< _MessageType > *ToObserv)
void	Notify (_MessageType rcReason)
Observer< _MessageType > *	Get (const char *Name)
void	ClearObserver ()

Protected Attributes
std::set< Observer< _MessageType > * >	_ObserverSet
	Vector of attached observers.

Constructor & Destructor Documentation

Subject()

template<class _MessageType>

Base::Subject< _MessageType >::Subject

(

)

A constructor. No special function so far.

~Subject()

template<class _MessageType>

virtual Base::Subject< _MessageType >::~Subject ( )

virtual

A destructor. No special function so far.

Member Function Documentation

Attach()

template<class _MessageType>

void Base::Subject< _MessageType >::Attach

(

Observer< _MessageType > *

ToObserv

)

Attach an Observer Attach an Observer to the list of Observers which get

called when Notify is called.

Parameters

ToObserv

A pointer to a concrete Observer

See also

Notify

ClearObserver()

template<class _MessageType>

void Base::Subject< _MessageType >::ClearObserver

(

)

Clears the list of all registered observers.

Note

Using this function in your code may be an indication of design problems.

Detach()

template<class _MessageType>

void Base::Subject< _MessageType >::Detach

(

Observer< _MessageType > *

ToObserv

)

Detach an Observer Detach an Observer from the list of Observers which get

called when Notify is called.

Parameters

ToObserv

A pointer to a concrete Observer

See also

Notify

Get()

template<class _MessageType>

Observer<_MessageType>* Base::Subject< _MessageType >::Get

(

const char *

Name

)

Get an Observer by name Get a observer by name if the observer reimplements the Name() mthode.

See also

Observer

Notify()

template<class _MessageType>

void Base::Subject< _MessageType >::Notify

(

_MessageType

rcReason

)

Notify all Observers Send a message to all Observers attached to this subject. The Message depends on the implementation of a concrete Oberserver and Subject.

See also

Notify