1 package at.ac.tuwien.sbc.valesriegler.group.jms;
3 import javax.jms.Connection;
4 import javax.jms.DeliveryMode;
5 import javax.jms.JMSException;
6 import javax.jms.Message;
7 import javax.jms.MessageConsumer;
8 import javax.jms.MessageListener;
9 import javax.jms.MessageProducer;
10 import javax.jms.ObjectMessage;
11 import javax.jms.Session;
13 import org.apache.activemq.ActiveMQConnectionFactory;
14 import org.slf4j.Logger;
15 import org.slf4j.LoggerFactory;
17 import at.ac.tuwien.sbc.valesriegler.group.AbstractGroupConnector;
18 import at.ac.tuwien.sbc.valesriegler.group.Group;
19 import at.ac.tuwien.sbc.valesriegler.group.GroupAgent;
20 import at.ac.tuwien.sbc.valesriegler.group.actions.AbstractAction;
21 import at.ac.tuwien.sbc.valesriegler.group.actions.TableResponse;
24 * This class handles the communication with other processes using JMS.
29 public class JMSGroupConnector extends AbstractGroupConnector implements MessageListener {
30 private static final Logger log = LoggerFactory.getLogger(JMSGroupConnector.class);
32 private Connection connection;
36 connection = new ActiveMQConnectionFactory("tcp://localhost:61616").createConnection();
38 Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
39 MessageConsumer consWantToSit = session.createConsumer(session.createQueue("GroupConnector"));
40 consWantToSit.setMessageListener(this);
41 } catch (JMSException e) {
42 log.error("EXCEPTION!", e);
47 public void onMessage(Message msg) {
50 if (msg instanceof ObjectMessage) {
51 ObjectMessage objMsg = (ObjectMessage) msg;
52 Object obj = objMsg.getObject();
54 if (obj instanceof TableResponse) {
55 TableResponse tablerresponse = (TableResponse) obj;
56 log.debug("Received: " + tablerresponse);
57 Group g = GroupAgent.getInstance().getGroupModel().getGroupByID(tablerresponse.getGroupdata().getId());
58 g.assignTable(tablerresponse.getTable(), tablerresponse.getWaiterId());
63 log.warn("Unknown messagetype received!");
64 } catch (JMSException e) {
65 log.error("EXCEPTION!", e);
69 public void send(AbstractAction request) {
71 Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
72 MessageProducer wantToSitAtTable = session.createProducer(session.createQueue("WantToSitAtTable"));
73 wantToSitAtTable.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
74 wantToSitAtTable.send(session.createObjectMessage(request));
77 session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
78 MessageProducer informPizzariaGui = session.createProducer(session.createQueue("PizzariaConnector"));
79 informPizzariaGui.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
80 informPizzariaGui.send(session.createObjectMessage(request));
82 } catch (JMSException e) {
83 log.error("EXCEPTION!", e);