public ConnectionIdentity execute(ConnectionIdentity the_request)
        {
            set_request(the_request)
                .find_connected_user()
                .update_connected_user_in_repository()
                .Commit();

            return new ConnectionIdentity() { connection_id = request.connection_id };
        }
 private UpdateConnectionLastSeen set_request(ConnectionIdentity the_request)
 {
     request = Guard.IsNotNull(the_request, "the_request");
     return this;
 }
 protected FaktoryConnectorConfiguration(ConnectionIdentity identity) =>
 private void update_last_seen(ConnectionIdentity connection_id)
 {
     if (connection_id != null)
     {
         update_connection_last_seen.execute(connection_id);
     }
 }