/**
* Handle an event.
*
* @param EventInterface $event
*
* @return void
*/
public function handle(EventInterface $event)
{
if (!$event instanceof SerializableEvent) {
throw new \InvalidArgumentException(sprintf('Cannot serialize %s event.', $event->getName()));
}
$this->publisher->publish(json_encode($event->toArray()), $event->getName());
}
