* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setTrend(TrendType newTrend) {
TrendType oldTrend = trend;
trend = newTrend == null ? TREND_EDEFAULT : newTrend;
boolean oldTrendESet = trendESet;
trendESet = true;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, _40Package.TREND_TYPE1__TREND, oldTrend, trend, !oldTrendESet));