* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetBillingAddress(Address newBillingAddress, NotificationChain msgs) {
Address oldBillingAddress = billingAddress;
billingAddress = newBillingAddress;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ShopPackage.ORDER__BILLING_ADDRESS, oldBillingAddress, newBillingAddress);
if (msgs == null) msgs = notification; else msgs.add(notification);
}