src/main/java/at/ac/tuwien/sbc/valesriegler/group/jms/GroupJMSNACMsgListener.java

   1 package at.ac.tuwien.sbc.valesriegler.group.jms;
   2
   3 import javax.jms.JMSException;
   4 import javax.jms.Message;
   5 import javax.jms.ObjectMessage;
   6
   7 import org.slf4j.Logger;
   8 import org.slf4j.LoggerFactory;
   9
  10 import at.ac.tuwien.sbc.valesriegler.common.Util;
  11 import at.ac.tuwien.sbc.valesriegler.group.GroupAgent;
  12 import at.ac.tuwien.sbc.valesriegler.jms.nac.AbstractJMSNACMsgListener;
  13 import at.ac.tuwien.sbc.valesriegler.jms.nac.actions.AddressInfoRequest;
  14 import at.ac.tuwien.sbc.valesriegler.jms.nac.actions.AddressInfoResponse;
  15 import at.ac.tuwien.sbc.valesriegler.jms.nac.actions.BenchmarkStart;
  16 import at.ac.tuwien.sbc.valesriegler.jms.nac.actions.BenchmarkStop;
  17 /**
  18  * Handles the NAC communication for the Group Agent.
  19  *
  20  * @author jan
  21  *
  22  */
  23 public class GroupJMSNACMsgListener extends AbstractJMSNACMsgListener implements Runnable {
  24         private static final Logger log = LoggerFactory.getLogger(GroupJMSNACMsgListener.class);
  25
  26         public GroupJMSNACMsgListener() {
  27                 Thread th = new Thread(this);
  28                 th.setDaemon(true);
  29                 th.start();
  30         }
  31
  32         @Override
  33         public void onMessage(Message msg) {
  34                 try {
  35                         if (msg instanceof ObjectMessage) {
  36                                 ObjectMessage objMsg = (ObjectMessage) msg;
  37                                 Object obj = objMsg.getObject();
  38                                 if (obj instanceof AddressInfoRequest) {
  39                                         log.debug("Received: " + obj);
  40                                         return;
  41                                         // DO NOTHING.
  42
  43                                 } else if (obj instanceof AddressInfoResponse) {
  44                                         log.debug("Received: " + obj);
  45                                         AddressInfoResponse response = (AddressInfoResponse) obj;
  46                                         GroupAgent.getInstance().getPizzeriaIdentifiers().add(response.getAddress());
  47                                         if (!Util.runSimulation) {
  48                                                 GroupAgent.getGroupGui().getFrame().repaint();
  49                                                 JMSGroupConnector.getConnectors().put(response.getAddress(), new JMSGroupConnector(response.getAddress()));
  50                                         }
  51                                         return;
  52
  53                                 } else if (obj instanceof BenchmarkStop) {
  54                                         log.debug("Received: " + obj);
  55                                         for (String keys : JMSGroupConnector.getConnectors().keySet()) {
  56                                                 JMSGroupConnector c = JMSGroupConnector.getConnector(keys);
  57                                                 c.getConnection().close();
  58                                                 GroupAgent.getInstance().getDeliveryModel().createStatistics();
  59                                         }
  60                                         return;
  61
  62                                 } else if (obj instanceof BenchmarkStart) {
  63                                         log.debug("Received: " + obj);
  64                                         return;
  65                                         // DO NOTHING.
  66
  67                                 } else {
  68                                         log.warn("Received unknown Object: " + obj);
  69                                 }
  70                         } else {
  71                                 log.warn("Received unknown Message: " + msg);
  72                         }
  73                 } catch (JMSException e) {
  74                         log.error("EXCEPTION!", e);
  75                 }
  76         }
  77         @Override
  78         public void run() {
  79                 while (true) {
  80                         try {
  81                                 Thread.sleep(15000);
  82                                 GroupAgent.getInstance().getPizzeriaIdentifiers().clear();
  83                                 getJmsnac().sendNACMsg(new AddressInfoRequest());
  84                         } catch (Exception e) {
  85                                 log.warn("EXCEPTION!", e);
  86                         }
  87                 }
  88         }
  89
  90 }