public function __construct(\Eccube\Entity\Master\OrderStatus $orderStatus = null)
{
$this->setDiscount(0)->setSubtotal(0)->setTotal(0)->setPaymentTotal(0)->setCharge(0)->setTax(0)->setDeliveryFeeTotal(0)->setOrderStatus($orderStatus)->setDelFlg(Constant::DISABLED);
$this->OrderDetails = new \Doctrine\Common\Collections\ArrayCollection();
$this->Shippings = new \Doctrine\Common\Collections\ArrayCollection();
$this->MailHistories = new \Doctrine\Common\Collections\ArrayCollection();
}