/**
* @param Producer $producer
*
* @throws Exception\FacadeException
*/
public static function addProducer(Producer $producer)
{
$appId = $producer->getAppId();
if (array_key_exists($appId, static::$producers)) {
throw new Exception\FacadeException("Producer with {$appId} already exists!");
}
static::$producers[$appId] = $producer;
}
