@Override
 public void setClientInfo(Properties properties) throws SQLClientInfoException {
   if (!isClosed()) {
     physicalConnection.setClientInfo(properties);
   }
 }
 @Override
 public void setClientInfo(String name, String value) throws SQLClientInfoException {
   if (!isClosed()) {
     physicalConnection.setClientInfo(name, value);
   }
 }