* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_extent_location(ExtentLocationAst newP_extent_location, NotificationChain msgs) {
ExtentLocationAst oldP_extent_location = p_extent_location;
p_extent_location = newP_extent_location;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.NEW_RULE_CALL_EXP_AST__PEXTENT_LOCATION, oldP_extent_location, newP_extent_location);
if (msgs == null) msgs = notification; else msgs.add(notification);
}