/**
  * @ejb.interface-method
  * @ejb.transaction type="Required"
  */
 public void update(Collection col) throws LocalException {
   super.update(col);
 }
 /**
  * @ejb.interface-method
  * @ejb.transaction type="Required"
  */
 public void delete(Collection col) throws LocalException {
   super.delete(col);
 }