// JMSCommunicationThread @Override protected void closeProducersAndConsumers() throws Exception { timeout_timer.cancel(); server_consumer.close(); server_consumer = null; client_consumer.close(); client_consumer = null; if (client_producer != null) { client_producer.close(); client_producer = null; } }
/** Invoked for received messages */ private void handleMapMessage(final MapMessage message) { try { final String text = message.getString(JMSLogMessage.TEXT); Runnable action = null; // Create action, or handle the message right away // Alarm state change? if (JMSAlarmMessage.TEXT_STATE.equals(text)) { // Received a state update from server, reset timeout timeout_timer.reset(); action = new UpdateAction(AlarmUpdateInfo.fromMapMessage(message)); model.updateServerState(false); } else if (JMSAlarmMessage.TEXT_STATE_MAINTENANCE.equals(text)) { timeout_timer.reset(); action = new UpdateAction(AlarmUpdateInfo.fromMapMessage(message)); model.updateServerState(true); } // Idle messages in absence of 'real' traffic? else if (JMSAlarmMessage.TEXT_IDLE.equals(text)) { timeout_timer.reset(); model.updateServerState(false); } else if (JMSAlarmMessage.TEXT_IDLE_MAINTENANCE.equals(text)) { timeout_timer.reset(); model.updateServerState(true); } // Enable/disable? else if (JMSAlarmMessage.TEXT_ENABLE.equals(text)) { timeout_timer.reset(); final String name = message.getString(JMSLogMessage.NAME); action = new EnableAction(name, true); } else if (JMSAlarmMessage.TEXT_DISABLE.equals(text)) { timeout_timer.reset(); final String name = message.getString(JMSLogMessage.NAME); action = new EnableAction(name, false); } // Configuration change else if (JMSAlarmMessage.TEXT_CONFIG.equals(text)) { final String name = message.getString(JMSLogMessage.NAME); model.readConfig(name); } // Debug trigger else if (JMSAlarmMessage.TEXT_DEBUG.equals(text)) model.dump(); if (action == null) return; // Queue or dispatch? synchronized (queue) { if (use_queue) { queue.execute(action); return; } } // else: Not using queue, and queue no longer locked action.run(); } catch (Throwable ex) { Activator.getLogger().log(Level.SEVERE, "Message handler error", ex); } }
/** * Initialize communicator that writes to the 'client' topic and listens to 'server' topic * * @param model Model for which to communicate * @throws Exception on error */ public AlarmClientCommunicator(final AlarmClientModel model) throws Exception { super(Preferences.getJMS_URL()); this.model = model; timeout_timer.start(); }