public int compare(Object obj1, Object obj2) {
   CatsReferralForClinicalNotesVo voObj1 = (CatsReferralForClinicalNotesVo) obj1;
   CatsReferralForClinicalNotesVo voObj2 = (CatsReferralForClinicalNotesVo) obj2;
   return direction * (voObj1.compareTo(voObj2, this.caseInsensitive));
 }