public void Test_Facebook_chat()
{
IChattingGroupMediator fbMediator = new FacebookGroupMediator();
IChattingGroupMediator instMediator = new InstagramGroupMediator();
var userA = new ConcreteUser("User_name_A");
var userB = new ConcreteUser("User_name_B");
var userC = new ConcreteUser("User_name_C");
var userD = new ConcreteUser("User_name_D");
var userE = new ConcreteUser("User_name_E");
var userF = new ConcreteUser("User_name_F");
var userG = new ConcreteUser("User_name_G");
fbMediator.RegisterUser(userA);
fbMediator.RegisterUser(userC);
fbMediator.RegisterUser(userE);
fbMediator.RegisterUser(userF);
instMediator.RegisterUser(userA);
instMediator.RegisterUser(userB);
instMediator.RegisterUser(userC);
instMediator.RegisterUser(userD);
instMediator.RegisterUser(userG);
userA.SendMessageToFacebook("This is msg from userA");
userE.SendMessageToFacebook("This is msg from userE");
Assert.Throws <ArgumentNullException>(() => { userD.SendMessageToFacebook("This is msg from userA"); }, "This user does not participate in this facebook group. (Parameter '_mediatorFacebook')");
userA.SendMessageToInstagram("This is msg from userA");
userB.SendMessageToInstagram("This is msg from userB");
Assert.Throws <ArgumentNullException>(() => { userE.SendMessageToInstagram("This is msg from userA"); }, "This user does not participate in this instagram group. (Parameter '_mediatorInstagram')");
}
static void Main(string[] args)
{
Imediator mediator = new ConcreteMediator();
IUser user1 = new ConcreteUser(mediator);
IUser user2 = new ConcreteUser(mediator);
mediator.AddUser(user1);
mediator.AddUser(user2);
user1.SendMessage("This is user number 1!");
user2.SendMessage("This is user number 2!");
}
private static void MediatorPattern()
{
#region Facebook Group
FacebookGroupMediator facebookMediator = new ConcreteFacebookGroupMediator();
FaceBookUser Ram = new ConcreteUser(facebookMediator, "Ram");
FaceBookUser Dave = new ConcreteUser(facebookMediator, "Dave");
FaceBookUser Smith = new ConcreteUser(facebookMediator, "Smith");
FaceBookUser Rajesh = new ConcreteUser(facebookMediator, "Rajesh");
FaceBookUser Sam = new ConcreteUser(facebookMediator, "Sam");
FaceBookUser Pam = new ConcreteUser(facebookMediator, "Pam");
FaceBookUser Anurag = new ConcreteUser(facebookMediator, "Anurag");
FaceBookUser John = new ConcreteUser(facebookMediator, "John");
facebookMediator.RegisterUser(Ram);
facebookMediator.RegisterUser(Dave);
facebookMediator.RegisterUser(Smith);
facebookMediator.RegisterUser(Rajesh);
facebookMediator.RegisterUser(Sam);
facebookMediator.RegisterUser(Pam);
facebookMediator.RegisterUser(Anurag);
facebookMediator.RegisterUser(John);
Dave.Send("dotnettutorials.net - this website is very good to learn Design Pattern");
Console.WriteLine();
Rajesh.Send("What is Design Patterns? Please explain ");
#endregion Facebook Group
#region Air Trafic Control
IAirTraficControlMediator atcMediator = new AirTraficControlMediator();
Flight flight1 = new ConreteFlight(atcMediator, 111);
Flight flight2 = new ConreteFlight(atcMediator, 222);
Flight flight3 = new ConreteFlight(atcMediator, 333);
Flight flight4 = new ConreteFlight(atcMediator, 444);
Flight flight5 = new ConreteFlight(atcMediator, 555);
atcMediator.Register(flight1);
atcMediator.Register(flight2);
atcMediator.Register(flight3);
atcMediator.Register(flight4);
atcMediator.Register(flight5);
Console.WriteLine();
flight1.SendMessage("Where to land ??");
Console.WriteLine();
#endregion Air Trafic Control
}
public void Attach(ConcreteUser user)
{
_users.Add(user);
}
public void Detatch(ConcreteUser user)
{
_users.Remove(user);
}