Bug 304586 Injected methods only react to changes to method arguments
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/SelectionServiceImpl.java
static final String OUT_SELECTION = "output.selection"; 
	private Set<ISelectionListener> genericListeners = new HashSet<ISelectionListener>();
	private Map<String, Set<ISelectionListener>> targetedListeners = new HashMap<String, Set<ISelectionListener>>();
	private Set<IEclipseContext> tracked = new HashSet<IEclipseContext>();
	@Inject
	private IEclipseContext context;
	@Inject
	private EPartService partService;
	/**
	 * This is the specific implementation. TODO: generalize it
	 */
	@Inject
	@Named(EPartService.PART_SERVICE_ROOT)
	private MWindow serviceRoot;
	@Inject
	private IEventBroker eventBroker;
	private EventHandler eventHandler = new EventHandler() {
		public void handleEvent(Event event) {
			Object element = event.getProperty(UIEvents.EventTags.ELEMENT);
			if (element instanceof MPart) {
				MPart part = (MPart) element;
				IEclipseContext context = part.getContext();
				if (context != null && isInContainer(part)) {
					track(part);
				}
			}
		}
	};
	private MPart activePart;
	@PreDestroy