private void advertiseHeartbeat() { String advStr = "[class,eq," + HeartbeatSubscriber.MESSAGE_CLASS + "]," + "[brokerID,isPresent,'TEXT']," + "[fromID,eq,'" + m_BrokerCore.getBrokerID() + "']," + "[type,isPresent,'TEXT']," + "[handle,isPresent,'TEXT']"; Advertisement adv; try { adv = MessageFactory.createAdvertisementFromString(advStr); } catch (ParseException e) { exceptionLogger.error(e.getMessage()); return; } AdvertisementMessage msg = new AdvertisementMessage( adv, m_BrokerCore.getNewMessageID(), MessageDestination.HEARTBEAT_MANAGER); msg.setTTL(1); heartbeatLogger.debug("Sending initial advertisement for heartbeat."); m_BrokerCore.routeMessage(msg, MessageDestination.INPUTQUEUE); }