code: @Override
      public void blueprintEvent(BlueprintEvent event) {
          states.put(event.getBundle().getBundleId(), BlueprintState.values()[event.getType()]);
      }
docs: /*
  (non-Javadoc)
  
  @see org.osgi.service.blueprint.container.BlueprintListener#blueprintEvent(org.osgi.service.blueprint.container.BlueprintEvent)