question: @ Override public boolean eIsSet ( int featureID ) { switch ( featureID ) { case DatatypePackage . CONSTRAINT__TYPE : return type != TYPE_EDEFAULT ; case DatatypePackage . CONSTRAINT__CONSTRAINT_VALUES : return CONSTRAINT_VALUES_EDEFAULT == null ? constraintValues != null : ! CONSTRAINT_VALUES_EDEFAULT . equals ( constraintValues ) ; } return super . eIsSet ( featureID ) ; }
target:  <!-- begin-user-doc --> <!-- end-user-doc -->