switch ( eDerivedStructuralFeatureID( eFeature ) )
switch ( featureID )
	public Object eGet( EStructuralFeature eFeature, boolean resolve )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case AttributePackage.DATE_FORMAT_SPECIFIER__TYPE :				return getType( );			case AttributePackage.DATE_FORMAT_SPECIFIER__DETAIL :				return getDetail( );		}		return eDynamicGet( eFeature, resolve );	}