@Override
	public void selectionChanged(IWorkbenchPart part, ISelection selection) {
		if (part instanceof IDiagramEditor && selection instanceof IStructuredSelection) {
			Iterator<?> selectionElements = ((IStructuredSelection) selection).iterator();
			while (selectionElements.hasNext()) {
				Object se = selectionElements.next();
				if (se instanceof GraphitiShapeEditPart && !selectionElements.hasNext()) {					
					PictogramElement pe = ((GraphitiShapeEditPart) se).getPictogramElement();
					Object bo = MyFeatureProvider.getBusinessObject(pe);
					if (bo instanceof MyBusinessClass) {
						// whatever
					}
						
				}
			}
		}
	}