* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetShipping(ShippingInstructions newShipping, NotificationChain msgs) {
ShippingInstructions oldShipping = shipping;
shipping = newShipping;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ShopPackage.ORDER__SHIPPING, oldShipping, newShipping);
if (msgs == null) msgs = notification; else msgs.add(notification);
}