public void onReady() {
      final Iterator<Set<UiActivity>> keyIterator = myActivities2Object.keySet().iterator();
      while (keyIterator.hasNext()) {
        Set<UiActivity> eachKey = keyIterator.next();
        final BusyImpl busy = myActivities2Object.get(eachKey);
        busy.onReady();
        if (busy.isReady()) {
          keyIterator.remove();
          myObject2Activities.remove(busy);
        }
      }
    }
public void onReady()