@Override public void joinService(final ServiceQueue serviceQueue) { if (services.contains(serviceQueue)) { logger.info( "EventManager{}::joinService: Service queue " + "is already a member of this event manager {}", name, serviceQueue.name()); return; } services.add(serviceQueue); logger.info("EventManager{}::joinService:: {} joined {}", name, serviceQueue.name(), name); doListen(serviceQueue.service(), serviceQueue); }