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.OrderRequest;
22 import at.ac.tuwien.sbc.valesriegler.group.actions.TableRequest;
23 import at.ac.tuwien.sbc.valesriegler.group.actions.TableResponse;
26 * This class handles the communication with other processes using JMS.
31 public class JMSGroupConnector extends AbstractGroupConnector implements MessageListener {
32 private static final Logger log = LoggerFactory.getLogger(JMSGroupConnector.class);
34 private Connection connection;
39 connection = new ActiveMQConnectionFactory("tcp://localhost:61616").createConnection();
41 Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
42 MessageConsumer consWantToSit = session.createConsumer(session.createQueue("GroupConnector"));
43 consWantToSit.setMessageListener(this);
44 } catch (JMSException e) {
45 log.error("EXCEPTION!", e);
50 public void onMessage(Message msg) {
53 if (msg instanceof ObjectMessage) {
54 ObjectMessage objMsg = (ObjectMessage) msg;
55 Object obj = objMsg.getObject();
57 if (obj instanceof TableResponse) {
58 TableResponse tablerresponse = (TableResponse) obj;
59 log.debug("Received: " + tablerresponse);
60 Group g = GroupAgent.getInstance().getGroupModel().getGroupByID(tablerresponse.getGroupdata().getId());
61 g.assignTable(tablerresponse.getTable(), tablerresponse.getWaiterId());
66 log.warn("Unknown messagetype received!");
67 } catch (JMSException e) {
68 log.error("EXCEPTION!", e);
73 public void send(AbstractAction request) {
75 if (request instanceof TableRequest) {
76 Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
77 MessageProducer wantToSitAtTable = session.createProducer(session.createQueue("WantToSitAtTable"));
78 wantToSitAtTable.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
79 wantToSitAtTable.send(session.createObjectMessage(request));
82 session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
83 MessageProducer informPizzariaGui = session.createProducer(session.createQueue("PizzariaConnector"));
84 informPizzariaGui.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
85 informPizzariaGui.send(session.createObjectMessage(request));
88 } else if (request instanceof OrderRequest) {
89 Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
90 MessageProducer wantToSitAtTable = session.createProducer(session.createQueue("WantToOrder"));
91 wantToSitAtTable.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
92 wantToSitAtTable.send(session.createObjectMessage(request));
95 session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
96 MessageProducer informPizzariaGui = session.createProducer(session.createQueue("PizzariaConnector"));
97 informPizzariaGui.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
98 informPizzariaGui.send(session.createObjectMessage(request));
102 } catch (JMSException e) {
103 log.error("EXCEPTION!", e);