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tlp_Observer
Langue: en
Version: 289613 (debian - 07/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
NAME
tlp::Observer -SYNOPSIS
#include <Observable.h>
Public Member Functions
virtual ~Observer ()
virtual void update (std::set< Observable * >::iterator begin, std::set< Observable * >::iterator end)=0
virtual void observableDestroyed (Observable *)=0
Detailed Description
The Observer pattern is a framework for handling state dependency between observer and observed object. It is described in the lecture notes and pp293-304 of Design Patterns by Gamma, Helm, Johnson, and Vlissides.
Constructor & Destructor Documentation
virtual tlp::Observer::~Observer () [inline, virtual]
Member Function Documentation
virtual void tlp::Observer::observableDestroyed (Observable *) [pure virtual]
Methods called when an observable has been deleted. holdObservers and unHoldObservers function have no effects on this function.
virtual void tlp::Observer::update (std::set< Observable * >::iterator begin, std::set< Observable * >::iterator end) [pure virtual]
Methods called when a change occur in the observed objects Due to the possibility to differs notificatiosn several objects can send a notify events simultaneously. The iterators given in parameter enable to iterate all these objects.
Author
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Contenus ©2006-2024 Benjamin Poulain
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