* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setUsage(TCGVariableUsage newUsage) {
TCGVariableUsage oldUsage = usage;
usage = newUsage == null ? USAGE_EDEFAULT : newUsage;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, ActivityTestCaseGraphPackage.TCG_VARIABLE__USAGE, oldUsage, usage));
}