public static void Demo()
{
ModifyPrice modifyPrice = new ModifyPrice();
Product product = new Product {
Name = "Phone", Price = 100
};
Execute(product, modifyPrice, new ProductCommand(product, PriceAction.Increase));
Execute(product, modifyPrice, new ProductCommand(product, PriceAction.Decrease));
Execute(product, modifyPrice, new ProductCommand(product, PriceAction.Decrease));
Execute(product, modifyPrice, new ProductCommand(product, PriceAction.Increase));
}
private static void Execute(Product product, ModifyPrice modifyPrice, ICommand productCommand)
{
modifyPrice.SetCommand(productCommand);
modifyPrice.Invoke();
}
