Templates::Observable< T > Class Template Reference

Implementation of a generic "typed" observer (observable part). More...

#include <observable.h>

List of all members.

Public Member Functions
	Observable (T *self)
	Constructor.
virtual	~Observable ()
	Destructor.
void	addObserver (Observer< T > *observer)
	Adds a new observer to the list of observers.
void	deleteObserver (Observer< T > *observer)
	Deletes selected observer from the list of observers.
void	cleanObservers ()
	Deletes all observers.
void	notifyObservers ()
	Notifies all stored observers by calling Observer::update() on them.
Private Types
typedef std::deque< Observer < T > * >	ObserverContainer
	Type of a container to store observers.
Private Attributes
T *	_self
	Actual object that will be passed to Observer::update() calls.
ObserverContainer	_observers
	Stored observers.

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Detailed Description

template<class T>
class Templates::Observable< T >

Implementation of a generic "typed" observer (observable part).

Implements "observer" design pattern.

Usage:

 class View: public Observable<View>
 {
     private:
         std::string _name;
     public:
         View(std::string name): Observable<View>(this), _name(name) {}
         ~View() {}
         std::string getName() {return _name;}
 };

See also:

Observer

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Member Typedef Documentation

template<class T>

typedef std::deque<Observer<T> *> Templates::Observable< T >::ObserverContainer [private]

Type of a container to store observers.

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Constructor & Destructor Documentation

template<class T>

Templates::Observable< T >::Observable

(

T *

self

)

[inline]

Constructor.

Parameters:

[in]

self

Object that will be passed to Observer::update() calls.

template<class T>

virtual Templates::Observable< T >::~Observable

(

)

[inline, virtual]

Destructor.

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Member Function Documentation

template<class T>

void Templates::Observable< T >::addObserver

(

Observer< T > *

observer

)

[inline]

Adds a new observer to the list of observers.

Parameters:

[in]

observer

Observer to be added.

template<class T>

void Templates::Observable< T >::deleteObserver

(

Observer< T > *

observer

)

[inline]

Deletes selected observer from the list of observers.

Parameters:

[in]

observer

Observer to be deleted.

template<class T>

void Templates::Observable< T >::cleanObservers

(

)

[inline]

Deletes all observers.

template<class T>

void Templates::Observable< T >::notifyObservers

(

)

[inline]

Notifies all stored observers by calling Observer::update() on them.

See also:

Observer::update()

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Member Data Documentation

template<class T>

T* Templates::Observable< T >::_self [private]

Actual object that will be passed to Observer::update() calls.

Referenced by Templates::Observable< Camera >::notifyObservers().

template<class T>

ObserverContainer Templates::Observable< T >::_observers [private]

Stored observers.

Referenced by Templates::Observable< Camera >::addObserver(), Templates::Observable< Camera >::cleanObservers(), Templates::Observable< Camera >::deleteObserver(), and Templates::Observable< Camera >::notifyObservers().

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The documentation for this class was generated from the following file:

• /home/s3rvac/Projects/FIT/PGR/Projekt/trunk/src/templates/observable.h