Example usage for javax.jms Session createMapMessage

Introduction

In this page you can find the example usage for javax.jms Session createMapMessage.

Prototype

MapMessage createMapMessage() throws JMSException;

Source Link

Document

Creates a MapMessage object.

Usage

From source file:Supplier.java

public void run() {
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user, password, url);
    Session session = null;
    Destination orderQueue;//www.  ja  va2 s. c om
    try {
        Connection connection = connectionFactory.createConnection();

        session = connection.createSession(true, Session.SESSION_TRANSACTED);
        orderQueue = session.createQueue(QUEUE);
        MessageConsumer consumer = session.createConsumer(orderQueue);

        connection.start();

        while (true) {
            Message message = consumer.receive();
            MessageProducer producer = session.createProducer(message.getJMSReplyTo());
            MapMessage orderMessage;
            if (message instanceof MapMessage) {
                orderMessage = (MapMessage) message;
            } else {
                // End of Stream
                producer.send(session.createMessage());
                session.commit();
                producer.close();
                break;
            }

            int quantity = orderMessage.getInt("Quantity");
            System.out.println(
                    ITEM + " Supplier: Vendor ordered " + quantity + " " + orderMessage.getString("Item"));

            MapMessage outMessage = session.createMapMessage();
            outMessage.setInt("VendorOrderNumber", orderMessage.getInt("VendorOrderNumber"));
            outMessage.setString("Item", ITEM);

            quantity = Math.min(orderMessage.getInt("Quantity"),
                    new Random().nextInt(orderMessage.getInt("Quantity") * 10));
            outMessage.setInt("Quantity", quantity);

            producer.send(outMessage);
            System.out.println(ITEM + " Supplier: Sent " + quantity + " " + ITEM + "(s)");
            session.commit();
            System.out.println(ITEM + " Supplier: committed transaction");
            producer.close();
        }
        connection.close();
    } catch (JMSException e) {
        e.printStackTrace();
    }
}

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From source file:Vendor.java

public void run() {
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user, password, url);
    Session session = null;
    Destination orderQueue;/*  w w  w  . j a v a2  s . co m*/
    Destination monitorOrderQueue;
    Destination storageOrderQueue;
    TemporaryQueue vendorConfirmQueue;
    MessageConsumer orderConsumer = null;
    MessageProducer monitorProducer = null;
    MessageProducer storageProducer = null;

    try {
        Connection connection = connectionFactory.createConnection();

        session = connection.createSession(true, Session.SESSION_TRANSACTED);
        orderQueue = session.createQueue("VendorOrderQueue");
        monitorOrderQueue = session.createQueue("MonitorOrderQueue");
        storageOrderQueue = session.createQueue("StorageOrderQueue");

        orderConsumer = session.createConsumer(orderQueue);
        monitorProducer = session.createProducer(monitorOrderQueue);
        storageProducer = session.createProducer(storageOrderQueue);

        Connection asyncconnection = connectionFactory.createConnection();
        asyncSession = asyncconnection.createSession(true, Session.SESSION_TRANSACTED);

        vendorConfirmQueue = asyncSession.createTemporaryQueue();
        MessageConsumer confirmConsumer = asyncSession.createConsumer(vendorConfirmQueue);
        confirmConsumer.setMessageListener(this);

        asyncconnection.start();

        connection.start();

        while (true) {
            Order order = null;
            try {
                Message inMessage = orderConsumer.receive();
                MapMessage message;
                if (inMessage instanceof MapMessage) {
                    message = (MapMessage) inMessage;

                } else {
                    // end of stream
                    Message outMessage = session.createMessage();
                    outMessage.setJMSReplyTo(vendorConfirmQueue);
                    monitorProducer.send(outMessage);
                    storageProducer.send(outMessage);
                    session.commit();
                    break;
                }

                // Randomly throw an exception in here to simulate a Database error
                // and trigger a rollback of the transaction
                if (new Random().nextInt(3) == 0) {
                    throw new JMSException("Simulated Database Error.");
                }

                order = new Order(message);

                MapMessage orderMessage = session.createMapMessage();
                orderMessage.setJMSReplyTo(vendorConfirmQueue);
                orderMessage.setInt("VendorOrderNumber", order.getOrderNumber());
                int quantity = message.getInt("Quantity");
                System.out.println("Vendor: Retailer ordered " + quantity + " " + message.getString("Item"));

                orderMessage.setInt("Quantity", quantity);
                orderMessage.setString("Item", "Monitor");
                monitorProducer.send(orderMessage);
                System.out.println("Vendor: ordered " + quantity + " Monitor(s)");

                orderMessage.setString("Item", "HardDrive");
                storageProducer.send(orderMessage);
                System.out.println("Vendor: ordered " + quantity + " Hard Drive(s)");

                session.commit();
                System.out.println("Vendor: Comitted Transaction 1");

            } catch (JMSException e) {
                System.out.println("Vendor: JMSException Occured: " + e.getMessage());
                e.printStackTrace();
                session.rollback();
                System.out.println("Vendor: Rolled Back Transaction.");
            }
        }

        synchronized (supplierLock) {
            while (numSuppliers > 0) {
                try {
                    supplierLock.wait();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }

        connection.close();
        asyncconnection.close();

    } catch (JMSException e) {
        e.printStackTrace();
    }

}

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From source file:org.apache.camel.component.jms.JmsBinding.java

/**
 * /*from w  ww  .ja v  a 2  s  .  c o  m*/
 * Create the {@link Message} 
 * 
 * @return jmsMessage or null if the mapping was not successfully
 */
protected Message createJmsMessageForType(Exchange exchange, Object body, Map<String, Object> headers,
        Session session, CamelContext context, JmsMessageType type) throws JMSException {
    switch (type) {
    case Text: {
        TextMessage message = session.createTextMessage();
        String payload = context.getTypeConverter().convertTo(String.class, exchange, body);
        message.setText(payload);
        return message;
    }
    case Bytes: {
        BytesMessage message = session.createBytesMessage();
        byte[] payload = context.getTypeConverter().convertTo(byte[].class, exchange, body);
        message.writeBytes(payload);
        return message;
    }
    case Map: {
        MapMessage message = session.createMapMessage();
        Map payload = context.getTypeConverter().convertTo(Map.class, exchange, body);
        populateMapMessage(message, payload, context);
        return message;
    }
    case Object:
        Serializable payload;
        try {
            payload = context.getTypeConverter().mandatoryConvertTo(Serializable.class, exchange, body);
        } catch (NoTypeConversionAvailableException e) {
            // cannot convert to serializable then thrown an exception to avoid sending a null message
            JMSException cause = new MessageFormatException(e.getMessage());
            cause.initCause(e);
            throw cause;
        }
        return session.createObjectMessage(payload);
    default:
        break;
    }
    return null;
}

---

From source file:org.apache.falcon.messaging.JMSMessageConsumerTest.java

private Message getMockFalconMessage(int i, Session session) throws FalconException, JMSException {
    Map<String, String> message = new HashMap<String, String>();
    message.put(WorkflowExecutionArgs.BRKR_IMPL_CLASS.getName(), BROKER_IMPL_CLASS);
    message.put(WorkflowExecutionArgs.BRKR_URL.getName(), BROKER_URL);
    message.put(WorkflowExecutionArgs.CLUSTER_NAME.getName(), "cluster1");
    message.put(WorkflowExecutionArgs.ENTITY_NAME.getName(), "process1");
    message.put(WorkflowExecutionArgs.ENTITY_TYPE.getName(), "PROCESS");
    message.put(WorkflowExecutionArgs.OUTPUT_FEED_PATHS.getName(), "/clicks/hour/00/0" + i);
    message.put(WorkflowExecutionArgs.OUTPUT_FEED_NAMES.getName(), "clicks");
    message.put(WorkflowExecutionArgs.LOG_FILE.getName(), "/logfile");
    message.put(WorkflowExecutionArgs.LOG_DIR.getName(), "/tmp/falcon-log");
    message.put(WorkflowExecutionArgs.NOMINAL_TIME.getName(), "2012-10-10-10-10");
    message.put(WorkflowExecutionArgs.OPERATION.getName(), "GENERATE");
    message.put(WorkflowExecutionArgs.RUN_ID.getName(), "0");
    message.put(WorkflowExecutionArgs.TIMESTAMP.getName(), "2012-10-10-10-1" + i);
    message.put(WorkflowExecutionArgs.WORKFLOW_ID.getName(), "workflow-" + i);
    message.put(WorkflowExecutionArgs.TOPIC_NAME.getName(), TOPIC_NAME);
    message.put(WorkflowExecutionArgs.STATUS.getName(), i != 15 ? "SUCCEEDED" : "FAILED");
    message.put(WorkflowExecutionArgs.WORKFLOW_USER.getName(), FalconTestUtil.TEST_USER_1);

    String[] args = new String[message.size() * 2];
    int index = 0;
    for (Map.Entry<String, String> entry : message.entrySet()) {
        args[index++] = "-" + entry.getKey();
        args[index++] = entry.getValue();
    }//from   w w  w  .j a v  a  2 s.c  o m

    WorkflowExecutionContext context = WorkflowExecutionContext.create(args,
            WorkflowExecutionContext.Type.POST_PROCESSING);

    MapMessage jmsMessage = session.createMapMessage();
    for (Map.Entry<WorkflowExecutionArgs, String> entry : context.entrySet()) {
        jmsMessage.setString(entry.getKey().getName(), entry.getValue());
    }

    return jmsMessage;
}

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From source file:org.apache.qpid.test.utils.QpidBrokerTestCase.java

public Message createMessage(Session session, int messageSize) throws JMSException
{
    String payload = new String(new byte[messageSize]);

    Message message;/*  w  w w  .ja  va2  s. co m*/

    switch (_messageType)
    {
        case BYTES:
            message = session.createBytesMessage();
            ((BytesMessage) message).writeUTF(payload);
            break;
        case MAP:
            message = session.createMapMessage();
            ((MapMessage) message).setString(CONTENT, payload);
            break;
        default: // To keep the compiler happy
        case TEXT:
            message = session.createTextMessage();
            ((TextMessage) message).setText(payload);
            break;
        case OBJECT:
            message = session.createObjectMessage();
            ((ObjectMessage) message).setObject(payload);
            break;
        case STREAM:
            message = session.createStreamMessage();
            ((StreamMessage) message).writeString(payload);
            break;
    }

    return message;
}

---

From source file:org.gss_project.gss.server.ejb.AdminAPIBean.java

public void indexFile(Long fileId, boolean delete) {
    Connection qConn = null;//ww w  . j  a va  2s .c  o  m
    Session session = null;
    MessageProducer sender = null;
    try {
        Context jndiCtx = new InitialContext();
        ConnectionFactory factory = (QueueConnectionFactory) jndiCtx.lookup("java:/JmsXA");
        Queue queue = (Queue) jndiCtx.lookup("queue/gss-indexingQueue");
        qConn = factory.createConnection();
        session = qConn.createSession(false, Session.AUTO_ACKNOWLEDGE);
        sender = session.createProducer(queue);

        MapMessage map = session.createMapMessage();
        map.setObject("id", fileId);
        map.setBoolean("delete", delete);
        sender.send(map);
    } catch (NamingException e) {
        logger.error("Index was not updated: ", e);
    } catch (JMSException e) {
        logger.error("Index was not updated: ", e);
    } finally {
        try {
            if (sender != null)
                sender.close();
            if (session != null)
                session.close();
            if (qConn != null)
                qConn.close();
        } catch (JMSException e) {
            logger.warn(e);
        }
    }
}

---

From source file:org.gss_project.gss.server.ejb.ExternalAPIBean.java

private void indexFile(Long fileId, boolean delete) {
     Connection qConn = null;/* w w w.  ja va2  s  . c o m*/
     Session session = null;
     MessageProducer sender = null;
     try {
         Context jndiCtx = new InitialContext();
         ConnectionFactory factory = (QueueConnectionFactory) jndiCtx.lookup("java:/JmsXA");
         Queue queue = (Queue) jndiCtx.lookup("queue/gss-indexingQueue");
         qConn = factory.createConnection();
         session = qConn.createSession(false, Session.AUTO_ACKNOWLEDGE);
         sender = session.createProducer(queue);

         MapMessage map = session.createMapMessage();
         map.setObject("id", fileId);
         map.setBoolean("delete", delete);
         sender.send(map);
     } catch (NamingException e) {
         logger.error("Index was not updated: ", e);
     } catch (JMSException e) {
         logger.error("Index was not updated: ", e);
     } finally {
         try {
             if (sender != null)
                 sender.close();
             if (session != null)
                 session.close();
             if (qConn != null)
                 qConn.close();
         } catch (JMSException e) {
             logger.warn(e);
         }
     }
 }

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From source file:org.jbpm.bpel.tutorial.invoice.ComputePricePT_Impl.java

protected void sendInvoiceMessage(float shippingPrice) throws JMSException {
    ServletContext servletContext = endpointContext.getServletContext();
    Integer orderId = (Integer) servletContext.getAttribute(ORDER_ID_ATTR);
    Float linePrice = (Float) servletContext.getAttribute(LINE_PRICE_ATTR);
    float amount = linePrice.floatValue() + shippingPrice;

    // create a session
    Session jmsSession = jmsConnection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
    try {/*from ww w  .jav  a2  s  . c  om*/
        // create the message
        MapMessage invoiceMessage = jmsSession.createMapMessage();
        invoiceMessage.setInt("orderId", orderId.intValue());
        invoiceMessage.setFloat("amount", amount);

        // send it!
        MessageProducer producer = jmsSession.createProducer(invoiceDestination);
        producer.send(invoiceMessage);

        log.debug("Sent invoice message: orderId=" + orderId + ", amount=" + amount);
    } finally {
        jmsSession.close();
    }
}

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From source file:org.jbpm.bpel.tutorial.shipping.ShippingPT_Impl.java

protected void sendShippingMessage(String customerId) throws JMSException {
    // create a session
    Session jmsSession = jmsConnection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
    try {/*from  w ww. jav  a 2  s  .c om*/
        // create the message
        MapMessage message = jmsSession.createMapMessage();
        message.setString("customerId", customerId);

        // send it!
        MessageProducer producer = jmsSession.createProducer(shippingDestination);
        producer.send(message);

        log.debug("Sent shipping message: customerId=" + customerId);
    } finally {
        jmsSession.close();
    }
}

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From source file:org.mule.transport.jms.JmsMessageUtils.java

private static Message mapToMessage(Map<?, ?> value, Session session) throws JMSException {
    MapMessage mMsg = session.createMapMessage();

    for (Iterator<?> i = value.entrySet().iterator(); i.hasNext();) {
        Map.Entry<?, ?> entry = (Map.Entry<?, ?>) i.next();
        mMsg.setObject(entry.getKey().toString(), entry.getValue());
    }// w ww.j  a v  a 2s . c  o m

    return mMsg;
}

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