问是否有方法将回调作为数据参数传递给Laravel4.2队列：：push()

EN

Queue::push('FetchUrls', [
    'urls'     => ['http://one.com', 'http://two.com', 'http://three.com'],
    'complete' => ['ResponseHandler', 'fetchComplete'],
    'error'    => ['ResponseHandler', 'fetchError'],
]);

class FetchUrls
{
    public function fire($job, $data)
    {
        list($urls, $complete, $error) = $data;

        foreach ($urls as $url) {
            if ($response = $this->fetch($url)) {
                $job->delete();
                call_user_func($complete, $response);
            } else {
                $job->release();
                call_user_func($error, $this->getError());
            }
        }
    }

    private function fetch($url)
    {
        // ...
    }

    private function getError()
    {
        // ...
    }
}

class ResponseHandler
{
    public static function fetchComplete($response)
    {
        // ...
    }

    public static function fetchError($error)
    {
        // ...
    }
}