* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetOp(Op newOp, NotificationChain msgs)
{
Op oldOp = op;
op = newOp;
if (eNotificationRequired())
{
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, KappaPackage.ATOM__OP, oldOp, newOp);
if (msgs == null) msgs = notification; else msgs.add(notification);