* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_control_exp(ControlExpAst newP_control_exp, NotificationChain msgs) {
ControlExpAst oldP_control_exp = p_control_exp;
p_control_exp = newP_control_exp;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.CONTROL_EXP_ACCESS_POSTFIX_EXP_AST__PCONTROL_EXP, oldP_control_exp, newP_control_exp);
if (msgs == null) msgs = notification; else msgs.add(notification);
}