* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_unary_exp(UnaryExpAst newP_unary_exp, NotificationChain msgs) {
UnaryExpAst oldP_unary_exp = p_unary_exp;
p_unary_exp = newP_unary_exp;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.ASSIGN_ASSIGN_EXP_AST__PUNARY_EXP, oldP_unary_exp, newP_unary_exp);
if (msgs == null) msgs = notification; else msgs.add(notification);
}