/**
* Retrieve listener for object
* Creates listener if none exists
* @param mixed $object
* @param string|array|null $name
* @return \observr\State\Listener\AggregateListener
*/
public function listener($object, $name = null)
{
$uid = spl_object_hash($object);
if (!isset($this->listeners[$uid])) {
$this->listeners[$uid] = [];
}
if (is_null($name)) {
return new AggregateListener($this->listeners[$uid]);
}
if (!is_array($name)) {
$name = [$name];
}
$listeners = [];
foreach ($name as $n) {
list($unqualifiedName, $namespace) = StateObserver::parseName((string) $n);
$qualifiedName = $unqualifiedName . '.' . $namespace;
if (!isset($this->listeners[$uid][$unqualifiedName])) {
$listener = new StreamListener($this->notifier, new StateObserver($object, $qualifiedName));
$this->listeners[$uid][$unqualifiedName] = $listener;
}
$listeners[] = $this->listeners[$uid][$unqualifiedName];
}
return new AggregateListener($listeners);
}
/**
* Triggers individual observer callable
* @param \observr\Event\EventInterface $event
* @param \observr\State\callable $callable
* @return type
*/
protected function trigger(EventAwareInterface $event, callable $callable = null)
{
$this->increment++;
return $this->parent->trigger($event, $callable);
}
