Akka.net

akka.cs

public class ImagePersistanceActor: ReceiveActor, ILogReceive {
 public ImagePersistanceActor() {
  Receive < string > (message => {
   Console.WriteLine("Echo from Recieve actor: " + message);
  });

  Receive < Image > (image => {
   Console.WriteLine("OK form Receive Actor: " + image.Id);
  });
 }
}

public class ImagePersistanceActor2: TypedActor, IHandle < string > , IHandle < Image > {
 public void Handle(string message) {
  Console.WriteLine("Echo From typed actor: " + message);
 }

 public void Handle(Image image) {
  Console.WriteLine("OK form Typed Actor: " + image.Id);
 }
}

public class ImagePersistanceActor3: UntypedActor {
 protected override void OnReceive(object message) {
  if (message.GetType() == typeof(string)) {
   Console.WriteLine("Echo from Untyped Actor: " + message);
  } else if (message.GetType() == typeof(Image)) {
   var image = (Image) message;
   Console.WriteLine("OK form untyped Actor: " + image.Id);
  }
 }
}