ForumServer.ServerController.Notify C# (CSharp) Метод

        private void Notify()
        {
            try
            {
                log.Info("got request to notify on post");

                foreach (string username in subscribed.Keys)
                {
                    lock (subscribed[username])
                    {

                        if (!username.Equals("guest"))
                        {
                            String listensTo = "";
                            subscribed.TryGetValue(username, out listensTo);
                            if (policyManager.ShouldNotify(posted, username, listensTo))
                            {
                                Monitor.PulseAll(subscribed[username]);
                                String obj = "";
                                subscribed.TryRemove(username, out obj);
                            }
                        }
                        else Monitor.PulseAll(subscribed[username]);
                    }
                }

            }
            catch (Exception e)
            {
                log.Error("failed to notify", e);
                throw e;
            }
        }