* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_cmp_exp(CmpExpAst newP_cmp_exp, NotificationChain msgs) {
CmpExpAst oldP_cmp_exp = p_cmp_exp;
p_cmp_exp = newP_cmp_exp;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.CMP_CMP_EXP_AST__PCMP_EXP, oldP_cmp_exp, newP_cmp_exp);
if (msgs == null) msgs = notification; else msgs.add(notification);
}