Examples with MessageConsumer javax.jms.MessageConsumer used on opensource projects

Example 81 with MessageConsumer

use of javax.jms.MessageConsumer in project tomee by apache.

the class MdbTest method createSender.

private void createSender() throws JMSException {
    Connection connection = null;
    Session session = null;
    MessageProducer producer = null;
    MessageConsumer consumer = null;
    try {
        connection = connectionFactory.createConnection();
        connection.start();
        // create request
        final Map<String, Object> request = new TreeMap<String, Object>();
        request.put("args", new Object[] { "cheese" });
        // create a new temp response queue
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        final Destination responseQueue = session.createTemporaryQueue();
        // Create a request messages
        final ObjectMessage requestMessage = session.createObjectMessage();
        requestMessage.setJMSReplyTo(responseQueue);
        requestMessage.setObject((Serializable) request);
        // Send the request message
        producer = session.createProducer(session.createQueue(REQUEST_QUEUE_NAME));
        producer.send(requestMessage);
        // wait for the response message
        consumer = session.createConsumer(responseQueue);
        final Message message = consumer.receive(30000);
        // verify message
        assertNotNull("Did not get a response message", message);
        assertTrue("Response message is not an ObjectMessage", message instanceof ObjectMessage);
        final ObjectMessage responseMessage = (ObjectMessage) message;
        final Serializable object = responseMessage.getObject();
        assertNotNull("Response ObjectMessage contains a null object");
        assertTrue("Response ObjectMessage does not contain an instance of Map", object instanceof Map);
        final Map<String, String> response = (Map<String, String>) object;
        // process results
        final String returnValue = (String) response.get("return");
        assertEquals("test-cheese", returnValue);
    } finally {
        MdbUtil.close(consumer);
        MdbUtil.close(producer);
        MdbUtil.close(session);
        MdbUtil.close(connection);
    }
}

Example 82 with MessageConsumer

use of javax.jms.MessageConsumer in project tomee by apache.

the class MdbConnectionFactoryTests method test02_directRpc.

public void test02_directRpc() throws Exception {
    final Connection connection = createConnection();
    Session session = null;
    MessageProducer producer = null;
    MessageConsumer consumer = null;
    try {
        // create request
        final Map<String, Object> request = new TreeMap<String, Object>();
        request.put("method", "businessMethod(java.lang.String)");
        request.put("args", new Object[] { "cheese" });
        // initialize session
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        final Destination requestQueue = session.createQueue("BasicMdb");
        final Destination responseQueue = session.createTemporaryQueue();
        // Create a request messages
        final ObjectMessage requestMessage = session.createObjectMessage();
        requestMessage.setJMSReplyTo(responseQueue);
        requestMessage.setObject((Serializable) request);
        // Send the request message
        producer = session.createProducer(requestQueue);
        producer.send(requestMessage);
        //            System.out.println("\n" + "***************************************\n" +
        //                    "Sent request message: " + requestMessage + "\n" +
        //                    "         request map: " + request + "\n" +
        //                    "            to queue: " + requestQueue + "\n" +
        //                    "***************************************\n\n");
        // create consumer
        consumer = session.createConsumer(responseQueue);
        //            System.out.println("\n" + "***************************************\n" +
        //                    "Listening for response at : " + responseQueue + "\n" +
        //                    "***************************************\n\n");
        // wait for response mesage
        final Message message = consumer.receive(1000);
        // verify message
        assertNotNull("Did not get a response message", message);
        assertTrue("Response message is not an ObjectMessage", message instanceof ObjectMessage);
        final ObjectMessage responseMessage = (ObjectMessage) message;
        final Serializable object = responseMessage.getObject();
        assertNotNull("Response ObjectMessage contains a null object");
        assertTrue("Response ObjectMessage does not contain an instance of Map", object instanceof Map);
        final Map response = (Map) object;
        // process results
        if (response.containsKey("exception")) {
            throw (Exception) response.get("return");
        }
        final String returnValue = (String) response.get("return");
        assertEquals("eseehc", returnValue);
    } finally {
        MdbUtil.close(producer);
        MdbUtil.close(session);
        MdbUtil.close(connection);
    }
}