예제 #1
0
 public MapMessage convert(BusinessObject bo) throws Exception {
   MapMessage mm = context.createMapMessage();
   for (String key : bo.keySet()) {
     mm.setObject(key, bo.get(key));
   }
   return mm;
 }
예제 #2
0
  public static void main(String[] args) {
    MapMessage outMessage;
    JMSConsumer orderConfirmReceiver;
    MapMessage inMessage;

    if (args.length != 1) {
      System.out.println("Error: Program takes numerical argument.");
      System.exit(1);
    }

    quantity = (new Integer(args[0])).intValue();
    System.out.println("Retailer: Quantity to be ordered is " + quantity);
    /*
     * Create non-transacted context and sender for
     * vendor order queue.
     * Create message to vendor, setting item and
     * quantity values.
     * Send message.
     * Create receiver for retailer confirmation queue.
     * Get message and report result.
     * Send an end-of-message-stream message so vendor
     * will stop processing orders.
     */
    try (JMSContext context = connectionFactory.createContext(); ) {
      outMessage = context.createMapMessage();
      outMessage.setString("Item", "Computer(s)");
      outMessage.setInt("Quantity", quantity);
      outMessage.setJMSReplyTo(retailerConfirmQueue);
      context.createProducer().send(vendorOrderQueue, outMessage);
      System.out.println("Retailer: Ordered " + quantity + " computer(s)");

      orderConfirmReceiver = context.createConsumer(retailerConfirmQueue);
      inMessage = (MapMessage) orderConfirmReceiver.receive();

      if (inMessage.getBoolean("OrderAccepted") == true) {
        System.out.println("Retailer: Order filled");
      } else {
        System.out.println("Retailer: Order not filled");
      }

      System.out.println("Retailer: Placing another order");
      outMessage.setInt("Quantity", quantity * 2);
      context.createProducer().send(vendorOrderQueue, outMessage);
      System.out.println("Retailer: Ordered " + outMessage.getInt("Quantity") + " computer(s)");
      inMessage = (MapMessage) orderConfirmReceiver.receive();

      if (inMessage.getBoolean("OrderAccepted") == true) {
        System.out.println("Retailer: Order filled");
      } else {
        System.out.println("Retailer: Order not filled");
      }

      /*
       * Send a non-text control message indicating end
       * of messages.
       */
      context.createProducer().send(vendorOrderQueue, context.createMessage());
    } catch (JMSException e) {
      System.err.println("Retailer: Exception occurred: " + e.toString());
    }
  }