* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetCarrier(CarrierBase newCarrier, NotificationChain msgs) {
CarrierBase oldCarrier = carrier;
carrier = newCarrier;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ShopPackage.SHIPPING_INSTRUCTIONS__CARRIER, oldCarrier, newCarrier);
if (msgs == null) msgs = notification; else msgs.add(notification);
}