public boolean eIsSet( EStructuralFeature eFeature )
public boolean eIsSet( int featureID )
	public boolean eIsSet( EStructuralFeature eFeature )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case DataPackage.SAMPLE_DATA__BASE_SAMPLE_DATA :				return baseSampleData != null && !baseSampleData.isEmpty( );			case DataPackage.SAMPLE_DATA__ORTHOGONAL_SAMPLE_DATA :				return orthogonalSampleData != null						&& !orthogonalSampleData.isEmpty( );			case DataPackage.SAMPLE_DATA__ANCILLARY_SAMPLE_DATA :				return ancillarySampleData != null						&& !ancillarySampleData.isEmpty( );		}		return eDynamicIsSet( eFeature );	}