private List<Map<String, Object>> getActiveMemberList(String code) {
   List<Map<String, Object>> activeList = new ArrayList<Map<String, Object>>();
   Classpage classpage = this.getCollectionRepository().getClasspageByCode(code);
   if (classpage == null) {
     throw new NotFoundException("Class not found!!!");
   }
   UserGroup userGroup = this.getUserGroupService().findUserGroupByGroupCode(code);
   List<UserGroupAssociation> userGroupAssociations =
       this.getUserGroupRepository().getUserGroupAssociationByGroup(userGroup.getPartyUid());
   for (UserGroupAssociation userGroupAssociation : userGroupAssociations) {
     if (userGroupAssociation.getIsGroupOwner() != 1) {
       activeList.add(this.setMemberResponse(userGroupAssociation, ACTIVE));
     }
   }
   return activeList;
 }