// 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();
}
