* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetUnaryExpr(unaryExpression newUnaryExpr, NotificationChain msgs)
{
unaryExpression oldUnaryExpr = unaryExpr;
unaryExpr = newUnaryExpr;
if (eNotificationRequired())
{
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, S3DPackage.PRIMARY_EXPRESSION__UNARY_EXPR, oldUnaryExpr, newUnaryExpr);
if (msgs == null) msgs = notification; else msgs.add(notification);