Bug 320171 [Model] Use real Java-References in the Binding-Model-Elements
Currently they BindingTable is referencing a BindingContext using an ID. To me it looks like BindingTable is a child of BindingContext and then doesn't need the ID-Reference any more
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ui/basic/impl/PartImpl.java
* <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case BasicPackageImpl.PART__CONTRIBUTION_URI:
				return CONTRIBUTION_URI_EDEFAULT == null ? contributionURI != null : !CONTRIBUTION_URI_EDEFAULT.equals(contributionURI);
			case BasicPackageImpl.PART__OBJECT:
				return OBJECT_EDEFAULT == null ? object != null : !OBJECT_EDEFAULT.equals(object);
			case BasicPackageImpl.PART__PERSISTED_STATE:
				return persistedState != null && !persistedState.isEmpty();
			case BasicPackageImpl.PART__CONTEXT:
				return CONTEXT_EDEFAULT == null ? context != null : !CONTEXT_EDEFAULT.equals(context);
			case BasicPackageImpl.PART__VARIABLES:
				return variables != null && !variables.isEmpty();
			case BasicPackageImpl.PART__PROPERTIES:
				return properties != null && !properties.isEmpty();
			case BasicPackageImpl.PART__LABEL:
				return LABEL_EDEFAULT == null ? label != null : !LABEL_EDEFAULT.equals(label);
			case BasicPackageImpl.PART__ICON_URI:
				return ICON_URI_EDEFAULT == null ? iconURI != null : !ICON_URI_EDEFAULT.equals(iconURI);
			case BasicPackageImpl.PART__TOOLTIP:
				return TOOLTIP_EDEFAULT == null ? tooltip != null : !TOOLTIP_EDEFAULT.equals(tooltip);
			case BasicPackageImpl.PART__HANDLERS:
				return handlers != null && !handlers.isEmpty();
			case BasicPackageImpl.PART__DIRTY:
				return dirty != DIRTY_EDEFAULT;
			case BasicPackageImpl.PART__BINDING_CONTEXTS: