static void Main(string[] args)
{
Book book = new Book
{
Isbn = "12345",
Title = "Sefiller",
Author = "Victor Hugo"
};
book.ShowBook();
CareTaker history = new CareTaker();
history.Memento = book.CreateUndo();
book.Isbn = "54321";
book.Title = "SEFİLLER";
book.ShowBook();
book.RestoreFromUndo(history.Memento);
book.ShowBook();
}
static void Main(string[] args)
{
Originator <StateObject> current = new Originator <StateObject>();
current.SetState(new StateObject {
Id = 0, Name = "Object 0"
});
CareTaker <StateObject> .SaveState(current);
current.ShowState();
current.SetState(new StateObject {
Id = 1, Name = "Object 1"
});
CareTaker <StateObject> .SaveState(current);
current.ShowState();
current.SetState(new StateObject {
Id = 2, Name = "Object 2"
});
CareTaker <StateObject> .SaveState(current);
current.ShowState();
current.SetState(new StateObject {
Id = 3, Name = "Object 3"
});
CareTaker <StateObject> .SaveState(current);
current.ShowState();
CareTaker <StateObject> .RestoreState(current, 1);
current.ShowState();
Console.ReadKey();
}