PEIP: PEIP_INF_Observable.php Source File

00001 <?php
00002 
00003 /*
00004  * This file is part of the PEIP package.
00005  * (c) 2010 Timo Michna <timomichna/yahoo.de>
00006  * 
00007  * For the full copyright and license information, please view the LICENSE
00008  * file that was distributed with this source code.
00009  */
00010 
00021 interface PEIP_INF_Observable {
00022 
00023     public function addObserver(PEIP_INF_Observer $observer);
00024 
00025     public function deleteObserver(PEIP_INF_Observer $observer);
00026     
00027     public function notifyObservers(array $arguments = array());
00028 
00029     public function countObservers();
00030     
00031     public function hasChanged();
00032     
00033     public function setChanged();
00034     
00035     public function clearChanged();
00036 
00037 }