reads scheduler managed entries and starts their timers to trigger events

def _load_freerun_entries(self):
        """ reads scheduler managed entries and starts their timers to trigger events """
        freerun_entries = self.freerun_process_dao.get_all()
        for freerun_entry in freerun_entries:
            try:
                self._register_process_entry(freerun_entry, self.fire_freerun_worker)
            except Exception:
                self.logger.error('Freerun Thread Handler {0} failed to start. Skipping it.'
                                  .format(freerun_entry.key), exc_info=True)