/**
* create an object outbox for a user and with some stragegies
*
* @param int $userId user identification
* @param SelectorStrategy $messageStrategy strategy to apply
*/
public function __construct($userId = NULL, $messageStrategy = NULL)
{
if (is_null($messageStrategy)) {
$messageStrategy = new OutBoxStrategy();
}
parent::__construct($messageStrategy, $userId);
}
