(EventDispatcher) ServiceHelper.getGlobalInstance(EventDispatcher.class, this);
eventDispatcher.eventHandlerAdded(
bundleContext.getServiceReference(OvsdbInventoryListener.class.getName()), this);
(EventDispatcher) ServiceHelper.getGlobalInstance(EventDispatcher.class, this);
eventDispatcher.eventHandlerAdded(
bundleContext.getServiceReference(OvsdbInventoryListener.class.getName()), this);