public void BuyItems(Sale sale)
{
// Check that no payments have been made
if (sale.AmountDue == sale.SaleTotal)
{
// Call the ReallyBuyItems method
sale.ReallyBuyItems();
// Switch to Shopping state since they are still buying items
sale.SaleState = new ShoppingSaleState();
}
// Do nothing because payment is process
}
public void BuyItems(Sale sale)
{
sale.ReallyBuyItems();
}