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
case BasicPackageImpl.PART__TOOLTIP:
				setTooltip((String)newValue);
				return;
			case BasicPackageImpl.PART__HANDLERS:
				getHandlers().clear();
				getHandlers().addAll((Collection<? extends MHandler>)newValue);
				return;
			case BasicPackageImpl.PART__DIRTY:
				setDirty((Boolean)newValue);
				return;
			case BasicPackageImpl.PART__BINDING_CONTEXTS:
				getBindingContexts().clear();
				getBindingContexts().addAll((Collection<? extends String>)newValue);
				return;
			case BasicPackageImpl.PART__MENUS:
				getMenus().clear();
				getMenus().addAll((Collection<? extends MMenu>)newValue);
				return;
			case BasicPackageImpl.PART__TOOLBAR:
				setToolbar((MToolBar)newValue);
				return;
			case BasicPackageImpl.PART__CLOSEABLE:
				setCloseable((Boolean)newValue);
				return;
			case BasicPackageImpl.PART__DESCRIPTION:
				setDescription((String)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}