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();
}
static void Main(string[] args)
{
Originator o = new Originator();
o.State = "On";
// Store internal state
Caretaker c = new Caretaker();
c.Memento = o.CreateMemento();
// Continue changing originator
o.State = "Off";
// Restore saved state
o.SetMemento(c.Memento);
// Wait for user
Console.ReadKey();
}
public static void RestoreState(Originator <T> orig, int checkpoint)
{
orig.RestoreMemento(mementoList[checkpoint]);
}
public static void SaveState(Originator <T> orig)
{
mementoList.Add(orig.CreateMemento());
}