anchor.diff:  state_get_role(State)          -> element(3, State).
   -spec state_get_lacceptor(state())  -> pid().
   state_get_lacceptor(State)     -> element(4, State).
  +-spec state_set_gllearner(state(), comm:mypid()) -> state().
  +state_set_gllearner(State, Pid) -> setelement(5, State, Pid).
   -spec state_get_gllearner(state()) -> comm:mypid().
   state_get_gllearner(State) -> element(5, State).
   -spec state_get_subs(state()) -> [{comm:mypid(), non_neg_integer()}].
  
positive.code: -spec on_init(comm:message(), state())
      -> state() |
         {'$gen_component', [{on_handler, Handler::on}], State::state()}.
  %% While initializing
  on_init({get_node_details_response, NodeDetails}, State) ->
      ?TRACE("tx_tm_rtm:on_init:get_node_details_response State; ~p~n", [_State]),
  
negative.code:     %% start getting rtms and maintain them.
      case Role of
          tx_tm ->
              comm:send_local(self(), {get_node_details}),
              State = {_RTMs = [], TableName, Role, LAcceptor, GLLearner,
                       [], 0, msg_queue:new()},
              %% subscribe to id changes
  