/** This function refereshes foreign key dependencies with newly generated primary key. */
 protected void refreshFKInNewContainees() {
   if (null != newGroupDetail) {
     Number newGroupId = getId();
     while (newGroupDetail.hasNext()) {
       SendToGroupDetailEOImpl detail = (SendToGroupDetailEOImpl) newGroupDetail.next();
       detail.setSendToGroupId(newGroupId);
     }
     super.refreshFKInNewContainees();
   }
 }