/**
  * Retrieves a list of rule results for a specific event and option.
  *
  * @param eventId the event id
  * @param optionId the option id
  * @return {@link Object}
  */
 @RequestMapping(path = "/event_option_rules/rules_by_event_option", method = RequestMethod.GET)
 public Object getEventRuleByEventIdAndOptionId(
     @RequestParam(value = "event_id") final Long eventId,
     @RequestParam(value = "option_id") final Long optionId) {
   System.out.println("event_id::" + eventId + "\noption_id::" + optionId);
   Object o = repository.findEventRulesForEventIdAndOptionId(eventId, optionId);
   return o;
 }