switch ( eDerivedStructuralFeatureID( eFeature ) )
switch ( featureID )
	public void eSet( EStructuralFeature eFeature, Object newValue )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case AttributePackage.MARKER__TYPE :				setType( (MarkerType) newValue );				return;			case AttributePackage.MARKER__SIZE :				setSize( ( (Integer) newValue ).intValue( ) );				return;			case AttributePackage.MARKER__VISIBLE :				setVisible( ( (Boolean) newValue ).booleanValue( ) );				return;			case AttributePackage.MARKER__ICON_PALETTE :				setIconPalette( (Palette) newValue );				return;		}		eDynamicSet( eFeature, newValue );	}