Group group = groupManager.findGroupByName(groupName);
// create an event and produce it
EventProducer producer = eventTransportFactory.getEventProducer(groupName, true);
int type = 0;
if (start) type = Constants.BUNDLE_START_EVENT_TYPE;
ObrBundleEvent event = new ObrBundleEvent(bundleId, type);
event.setForce(true);
event.setSourceGroup(group);
producer.produce(event);
return null;
}