module corba2{
    struct Product{
        long productId;
        string productName;
        long productPrice;
        long productQty;
    };

    struct Order {
        Product product;
        long productQty;
    };



    interface Shop {
        typedef sequence<Product> productList;
    typedef sequence<Order> Orders;

    exception NotEnoughProducts{};

    productList getProductList();
        Order createNewCart();
    Order getCart();
        void addToCart(in Product product, in long amount);
        void checkOutCart() raises(NotEnoughProducts);

    };

    interface NewCartCreator{
        Cart createNewCart();
    };
};