WellCommerce\Bundle\OrderBundle\Entity\OrderProduct::setQuantity PHP 메소드

    public function setQuantity(int $quantity)
    {
        $this->quantity = $quantity;
    }

 public function create() : OrderProductInterface
 {
     $orderProduct = new OrderProduct();
     $orderProduct->setQuantity(1);
     $orderProduct->setWeight(0);
     $orderProduct->setBuyPrice(new Price());
     $orderProduct->setSellPrice(new DiscountablePrice());
     $orderProduct->setCreatedAt(new \DateTime());
     $orderProduct->setUpdatedAt(new \DateTime());
     $orderProduct->setOptions([]);
     return $orderProduct;
 }