public static function factory(Storage $storage, $row)
{
$mailtemplate = new MailTemplate($storage);
$mailtemplate->setTemplateID($row["templateid"]);
$mailtemplate->setGliederungID($row["gliederungid"]);
$mailtemplate->setLabel($row["label"]);
$mailtemplate->setBody($row["body"]);
return $mailtemplate;
}