@Override
 public PersistedModel getPersistedModel(Serializable primaryKeyObj)
     throws PortalException, SystemException {
   return centroPersistence.findByPrimaryKey(primaryKeyObj);
 }
 /**
  * Returns the centro with the primary key.
  *
  * @param id_centro the primary key of the centro
  * @return the centro
  * @throws PortalException if a centro with the primary key could not be found
  * @throws SystemException if a system exception occurred
  */
 @Override
 public Centro getCentro(long id_centro) throws PortalException, SystemException {
   return centroPersistence.findByPrimaryKey(id_centro);
 }