/// <summary>
/// Reads and updates the register.
/// </summary>
public override T Update(Func <T, T> func)
{
var op = this.Context.Runtime.GetExecutingOperation <ActorOperation>();
this.Context.SendEvent(this.RegisterActor, SharedRegisterEvent.UpdateEvent(func, op.Actor.Id));
var e = op.Actor.ReceiveEventAsync(typeof(SharedRegisterResponseEvent <T>)).Result as SharedRegisterResponseEvent <T>;
return(e.Value);
}