public void DoSomeStuff()
{
var shoppingService = new ShoppingService();
var transaction = new CartTransaction {
TransactionUri = "http://google.com/"
};
shoppingService.BeginTransaction(transaction);
shoppingService.AddToCart(1, 2, 3);
}
public void AddToCart(CartTransaction transaction, int cartId, int itemId, int quantity)
{
//add an item to the cart
}
public void BeginTransaction(CartTransaction cartTransaction)
{
_cartTransaction = cartTransaction;
}