* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetU(unroll_modifier newU, NotificationChain msgs)
{
unroll_modifier oldU = u;
u = newU;
if (eNotificationRequired())
{
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, DecoraDslPackage.ITERATION_STATEMENT__U, oldU, newU);
if (msgs == null) msgs = notification; else msgs.add(notification);