ANY | LOOP_ITEM | NONE |
deferred class interface PERIODIC_JOB -- Pseudo periodic job. The timing is not exact : the time between -- two execution may be longer than the given period depending on -- time needed to execute ready tasks. There is no try to recover the -- time lost each time. feature(s) from PERIODIC_JOB period: DOUBLE -- unit is seconds next_time: MICROSECOND_TIME invariant period > 0; priority /= Minimum_integer; end of deferred PERIODIC_JOB