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