switch ( eDerivedStructuralFeatureID( eFeature ) )
switch ( featureID )
	public void eSet( EStructuralFeature eFeature, Object newValue )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case ComponentPackage.NEEDLE__LINE_ATTRIBUTES :				setLineAttributes( (LineAttributes) newValue );				return;			case ComponentPackage.NEEDLE__DECORATOR :				setDecorator( (LineDecorator) newValue );				return;		}		eDynamicSet( eFeature, newValue );	}