* The SplObserver to attach. *
* @since 5.1.0 */ public function attach(SplObserver $observer) { $observerClass = get_class($observer); if (array_key_exists($observerClass, $this->observers)) { return; // throw new InvalidClassException(sprintf(__('Observador ya inicializado "%s"'), $observerClass)); } $this->observers[$observerClass] = $observer; } /** * Detach an observer * * @link http://php.net/manual/en/splsubject.detach.php * @param SplObserver $observer* The SplObserver to detach. *
* @throws InvalidClassException * @since 5.1.0 */ public function detach(SplObserver $observer) { $observerClass = get_class($observer); if (!array_key_exists($observerClass, $this->observers)) { throw new InvalidClassException(SPException::SP_ERROR, __('Observador no inicializado')); } unset($this->observers[$observerClass]); } /** * Notify an observer * * @link http://php.net/manual/en/splsubject.notify.php * @return void * @since 5.1.0 */ public function notify() { foreach ($this->observers as $observer) { $observer->update($this); } } /** * Notificar un evento * * @param string $event * @param mixed $object * @throws \SP\Core\Exceptions\InvalidArgumentException */ public function notifyEvent($event, $object) { if (!is_object($object)) { throw new InvalidArgumentException(SPException::SP_ERROR, __('Es necesario un objeto')); } foreach ($this->observers as $observer) { if (in_array($event, $observer->getEvents(), true)) { $observer->updateEvent($event, $object); } } } }