/// <inheritdoc cref="Prototype.DeepCopy"/>
public override Prototype DeepCopy()
{
// preferred to re-use built MemberwiseClone method again instead of use ShallowCopy method, to keep both method separated
FoodOrder clonedOrder = (FoodOrder)this.MemberwiseClone();
clonedOrder.OrderInfo = new OrderInfo(this.OrderInfo.Id); // re-create new instance with old instance information
return(clonedOrder);
}
/// <summary>
/// the main static method for program which run console app
/// </summary>
/// <param name="args">given arguments for console app</param>
static void Main(string[] args)
{
// the main food order
Console.WriteLine("Original Order: ");
FoodOrder savedOrder =
new FoodOrder("Harrison", true, new string[] { "Pizza", "Coke" }, new OrderInfo(2345));
savedOrder.Debug();
// Using Shallow copy way
// // clone the main food order
// Console.WriteLine("Cloned Object: ");
// FoodOrder clonedOrder = (FoodOrder) savedOrder.ShallowCopy();
// clonedOrder.Debug();
//
// // change the main food order then print both main order and cloned one too
// Console.WriteLine("Order Changes: ");
// savedOrder.CustomerName = "Jeff";
// savedOrder.OrderInfo.Id = 5555;
//
// savedOrder.Debug();
// clonedOrder.Debug();
// Using Deep copy way
// clone the main food order
Console.WriteLine("Cloned Object: ");
FoodOrder clonedOrder = (FoodOrder)savedOrder.DeepCopy();
clonedOrder.Debug();
// change the main food order then print both main order and cloned one too
Console.WriteLine("Order Changes: ");
savedOrder.CustomerName = "Jeff";
savedOrder.OrderInfo.Id = 5555;
savedOrder.Debug();
clonedOrder.Debug();
}