* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_uri(UriAst newP_uri, NotificationChain msgs) {
UriAst oldP_uri = p_uri;
p_uri = newP_uri;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.PACKAGE_REF_AST__PURI, oldP_uri, newP_uri);
if (msgs == null) msgs = notification; else msgs.add(notification);
}