src/main/java/at/ac/tuwien/sbc/valesriegler/xvsm/DriverXVSM.java

   1 package at.ac.tuwien.sbc.valesriegler.xvsm;
   2
   3
   4 import at.ac.tuwien.sbc.valesriegler.common.Bill;
   5 import at.ac.tuwien.sbc.valesriegler.common.Util;
   6 import at.ac.tuwien.sbc.valesriegler.types.DeliveryGroupData;
   7 import at.ac.tuwien.sbc.valesriegler.types.DeliveryStatus;
   8 import at.ac.tuwien.sbc.valesriegler.xvsm.spacehelpers.SpaceAction;
   9 import at.ac.tuwien.sbc.valesriegler.xvsm.spacehelpers.SpaceListener;
  10 import org.mozartspaces.core.ContainerReference;
  11 import org.mozartspaces.core.MzsConstants;
  12 import org.mozartspaces.core.TransactionReference;
  13 import org.slf4j.Logger;
  14 import org.slf4j.LoggerFactory;
  15
  16 import java.io.Serializable;
  17 import java.net.URI;
  18 import java.util.Arrays;
  19 import java.util.List;
  20
  21 public class DriverXVSM extends AbstractXVSMConnector {
  22     private static final Logger log = LoggerFactory.getLogger(DriverXVSM.class);
  23
  24     private int driverId;
  25
  26     public DriverXVSM(int id, int port) {
  27         super(port);
  28
  29         this.driverId = id;
  30
  31         this.preparedDeliveryPizzasContainer = useContainer(Util.DELIVER_DELIVERY_PIZZAS);
  32         this.deliveryOrderTakenContainer = useContainer(Util.DELIVERY_ORDER_TAKEN);
  33         this.deliverDeliveryOrderContainer = useContainer(Util.DELIVER_DELIVERY_ORDER);
  34         pizzeriaDeliveryContainer = useContainer(Util.PIZZERIA_DELIVERY);
  35         deliveryDone = useContainer(Util.DELIVERY_DONE);
  36         deliveryInProgress = useContainer(Util.DELIVERY_PROGRESS);
  37     }
  38
  39
  40     public void listenForPreparedDeliveryOrders() {
  41         SpaceListener orderListener = getDefaultBuilder().setCref(deliverDeliveryOrderContainer).setLookaround(true).setSpaceAction(new SpaceAction() {
  42
  43             @Override
  44             public void onEntriesWritten(List<? extends Serializable> entries) throws Exception {
  45                 final List<DeliveryGroupData> deliveries = castEntries(entries);
  46
  47                 for (DeliveryGroupData delivery : deliveries) {
  48                     DeliveryGroupData template = new DeliveryGroupData(delivery.getId());
  49                     template.setDeliveryStatus(DeliveryStatus.ORDERED);
  50
  51                     final TransactionReference tx = capi.createTransaction(
  52                             7000,
  53                             URI.create(String.format(Util.SERVER_ADDR, port)));
  54                     final String error = "Another driver wants to deliver this order!";
  55
  56                     try {
  57                         // Get lock for delivering this delivery order
  58                         takeMatchingEntity(template, deliverDeliveryOrderContainer, tx, MzsConstants.RequestTimeout.DEFAULT, error);
  59                         final DeliveryGroupData group = takeMatchingEntity(template, pizzeriaDeliveryContainer, tx, MzsConstants.RequestTimeout.INFINITE, "Cannot get the delivery order!");
  60                         group.setDriverId(driverId);
  61                         group.setDeliveryStatus(DeliveryStatus.IN_PROGRESS);
  62
  63                         final List<DeliveryGroupData> groups = Arrays.asList(group);
  64                         sendItemsToContainer(groups,
  65                                 deliveryInProgress, MzsConstants.RequestTimeout.ZERO, null);
  66                         sendItemsToContainer(groups,
  67                                 pizzeriaDeliveryContainer, MzsConstants.RequestTimeout.ZERO, null);
  68
  69                         Thread.sleep(3000);
  70
  71                         final String address = String.format(Util.SERVER_ADDR, Util.DELIVERY_CUSTOMERS_PORT);
  72                         ContainerReference cref = null;
  73                         boolean success = false;
  74                         try {
  75                             cref = capi.lookupContainer(group.getAddress(), URI.create(address), MzsConstants.RequestTimeout.ZERO, null);
  76                             log.debug("Looked up container {} successfully!", address);
  77                             success = true;
  78
  79                         } catch (Exception ex) {
  80                             log.info("Could not find container {}", address);
  81                         }
  82                         if (success) {
  83                             group.setDeliveryStatus(DeliveryStatus.DELIVERED);
  84                             sendItemsToContainer(Arrays.asList(new Bill(1000, group.getId())), cref, MzsConstants.RequestTimeout.DEFAULT, null);
  85                         } else {
  86                             group.setDeliveryStatus(DeliveryStatus.DELIVERY_FAILED);
  87                         }
  88                         sendItemsToContainer(groups, deliveryDone, MzsConstants.RequestTimeout.DEFAULT, tx);
  89                         sendItemsToContainer(groups, pizzeriaDeliveryContainer, MzsConstants.RequestTimeout.DEFAULT, tx);
  90                         capi.commitTransaction(tx);
  91
  92
  93                     } catch (Exception e) {
  94                         log.info("DRiverXVSM exception");
  95                         log.info(e.getMessage());
  96                         e.printStackTrace();
  97                     }
  98                 }
  99
 100             }
 101         }).createSpaceListenerImpl();
 102     }
 103 }