domains_callback.erl

try_handle_msg(Props, State = #cb_state{update = Update}) ->
    case build_record(Props, #maestro_domain{}, undefined, update) of
        {ok, Domain = #maestro_domain{name=Name}, SeqNum, Action}
                when (Action == update orelse Action == delete),
                is_integer(SeqNum) orelse is_list(SeqNum) ->
            Timestamp = utils:datetime_to_epoch(erlang:universaltime()),
            Latency = Timestamp - utils:to_i(Domain#maestro_domain.emitted_at),
            case Action of
                update -> hermes_domain:update(Domain);
                delete -> hermes_domain:delete(Name)
            end,