/**
* @param Module $module The module object to add.
*/
protected function doAddModule($module)
{
$orderCouponModule = new ChildOrderCouponModule();
$orderCouponModule->setModule($module);
$this->addOrderCouponModule($orderCouponModule);
// set the back reference to this object directly as using provided method either results
// in endless loop or in multiple relations
if (!$module->getOrderCoupons()->contains($this)) {
$foreignCollection = $module->getOrderCoupons();
$foreignCollection[] = $this;
}
}
