code: public void clearAllSchedulingData(T jedis) throws JobPersistenceException, ClassNotFoundException {
          // delete triggers
          for (String jobHashKey : jedis.smembers(redisSchema.jobsSet())) {
              removeJob(redisSchema.jobKey(jobHashKey), jedis);
          }
  
          // delete remaining jobs
          for (String triggerHashKey : jedis.smembers(redisSchema.triggersSet())) {
              removeTrigger(redisSchema.triggerKey(triggerHashKey), jedis);
          }
  
          // remove calendars
          for (String calendarHashKey : jedis.smembers(redisSchema.calendarsSet())) {
              removeCalendar(redisSchema.calendarName(calendarHashKey), jedis);
          }
      }
docs: Clear (delete!) all scheduling data - all {@link Job}s, {@link Trigger}s {@link Calendar}s.
  @param jedis a thread-safe Redis connection