code: public void setAttVal(String newAttVal) {
  		String oldAttVal = attVal;
  		attVal = newAttVal;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, AfplibPackage.ATTRIBUTE_VALUE__ATT_VAL, oldAttVal, attVal));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated