static void Main(string[] args)
{
#region Builder
Console.WriteLine("Buillder");
Console.WriteLine();
PersonBuilder builder = new PersonBuilder();
builder.AddName("Peter");
builder.AddAge(25);
builder.PremiumOn();
Person personWithPremium = builder.GetPerson();
Console.WriteLine(personWithPremium);
builder.PremiumOff();
Person personWithoutPremium = builder.GetPerson();
Console.WriteLine(personWithoutPremium);
Console.WriteLine();
#endregion
#region Adapter
Console.WriteLine("Adapter");
Console.WriteLine();
Person personAdaptee = new Person()
{
Name = "Peter", Age = 25
};
Console.WriteLine(personAdaptee.Separate());
ISeparator separetor = new PersonAdapter(personAdaptee);
Console.WriteLine(separetor.Separate());
Console.WriteLine();
#endregion
#region Observer
Console.WriteLine("Observer");
Console.WriteLine();
Person personSubject = new Person();
IObserver downgradeObserver = new DowngradeObserver();
IObserver upgradeObserver = new UpgradeObserver();
personSubject.Attach(downgradeObserver);
personSubject.Attach(upgradeObserver);
personSubject.HasPremium = true;
personSubject.HasPremium = false;
personSubject.Detach(upgradeObserver);
personSubject.HasPremium = true;
Console.WriteLine();
#endregion
}
