static void Main(string[] args)
{
PlayerStatistics p1 = new PlayerStatistics();
p1.level = 4;
p1.score = 34;
p1.checkPointTime = DateTime.Now;
Console.WriteLine("Initial:");
p1.PrintStatistics();
CareTaker ct = new CareTaker();
ct.checkpoint = p1.CreateCheckPoint(p1);
Console.WriteLine();
p1.level = 8;
p1.score = 96;
p1.checkPointTime = DateTime.Now.AddHours(10);
Console.WriteLine("Updated:");
p1.PrintStatistics();
Console.WriteLine();
p1.RestoreCheckPoint(ct.checkpoint);
Console.WriteLine("Restored:");
p1.PrintStatistics();
}
static void Main(string[] args)
{
Console.WriteLine("MEMENTO DESIGN PATTERN \n");
Console.WriteLine("--------");
Person person = new Person("Atoke", "Femi");
Console.WriteLine("Initial full name is {0}", person.FullName);
person.Update("Adetayo", "Oyegbile");
Console.WriteLine("Updated full name is {0}", person.FullName);
person.Revert();
Console.WriteLine("Reverted full name is {0}", person.FullName);
Console.WriteLine("--------");
Console.WriteLine("Game Player statistics");
// step 1 - set initial data
PlayerStatistics _statistics = new PlayerStatistics();
_statistics.LevelId = 1;
_statistics.Score = 100;
_statistics.CheckPointTime = DateTime.Now;
_statistics.PrintStatistics();
// step 2 - create and store data in memento instance
CheckPointCareTaker _careTaker = new CheckPointCareTaker();
_careTaker.checkPoint = _statistics.CreateCheckPoint(_statistics);
Console.WriteLine(Environment.NewLine);
// step 3 - change the data
_statistics.LevelId = 4;
_statistics.Score = 320;
_statistics.CheckPointTime = DateTime.Now.Add(new TimeSpan(0, 0, 40, 0));
_statistics.PrintStatistics();
Console.WriteLine(Environment.NewLine);
// step 4 - restore the initial data
_statistics.RestoreCheckPoint(_careTaker.checkPoint);
_statistics.PrintStatistics();
}
public CheckPointMemento CreateCheckPoint(PlayerStatistics statistics)
{
return(new CheckPointMemento(statistics.level, statistics.score, statistics.checkPointTime));
}
