module timer 
  {
    module itt_timer 
    {
      module ucm_itt 
      {
      	typedef unsigned short timer_number_t;
        typedef boolean timer_bool_t;
        typedef unsigned short timer_enum_index_t;
        enum timeout_enum_t {
          ABSOLUTE_TIME
        ,  RELATIVE_TIME
        };
        struct timeout_t {
          timer_number_t time_val; 
          timeout_enum_t flag; 
        };
      
        interface itt_callback_intf
        {
          void on_timeout (in timeout_t time, in timer_number_t timer_number);
        };
        interface itt_service_intf
        {
          void start_periodic_scheduler (in timer_number_t timer_number,in timeout_t delay_time,in timeout_t rate);
          void start_sporadic_scheduler (in timer_number_t timer_number, in timeout_t time);
          void cancel_timer (in timer_number_t timer_number);
          timer_bool_t is_canceled (in timer_number_t timer_number);
        };
      };

    };
    
    module ott_timer 
    {
      module ucm_ott 
      {
      	typedef unsigned short ott_round_t;
        typedef string ott_str_id;
        typedef itt_timer::ucm_itt::timer_number_t timer_number_t;
      
        interface ott_handler
        {
          void on_trigger (in ott_str_id timer,in timer_number_t delta_time,in ott_round_t round);
        };
        interface ott_timer
        {
          void cancel ();
          ::timer::itt_timer::ucm_itt::timer_bool_t is_cancelled ();
        };
        interface ott_scheduler
        {
          void scheduler_trigger (in Object trigger_handler,in timer_number_t trigger_delay);
          void schedule_repeated_trigger (in Object trigger_handler,in timer_number_t start_delay,in timer_number_t interval,in ott_round_t max_rounds);
        };

      };
    
    };
  };