/**
* The Observer Constructor
*
* This takes an optional publisher that the observer can attach itself to
*
* @param Falcraft\Pattern\Resource\PublisherInterface $subject
*
*/
public function __construct(PatternsResource\PublisherInterface $subject = null)
{
$restrictions = new Types\Restrictions(array(Type::BASIC_NULL, Type::TYPED_OBJECT), array('Falcraft\\Patterns\\Resource\\PublisherInterface'), array('strict' => true));
$this->subject = new Types\RestrictedSet(array(), $restrictions, array('strict' => true));
if ($subject) {
$subject->attachListener($this);
}
}
/**
* Remove a publisher from the list of listened to publishers
*
* Make sure we stop listening to it
*
* The remove function is in here because the detach function doesn't
* take an argument for what publisher to remove.
*
* @param Falcraft\Patterns\Resource\PublisherInterface $publisher
*
*/
public function removePublisher(PatternsResource\PublisherInterface $publisher)
{
$publisher->detachListener($this);
}
