Example usage for javax.jms Connection start

Introduction

In this page you can find the example usage for javax.jms Connection start.

Prototype

void start() throws JMSException;

Source Link

Document

Starts (or restarts) a connection's delivery of incoming messages.

Usage

From source file:org.apache.falcon.oozie.workflow.FalconPostProcessingTest.java

private void consumer(String brokerUrl, String topic, boolean checkUserMessage) throws JMSException {
    ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(brokerUrl);
    Connection connection = connectionFactory.createConnection();
    connection.start();

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createTopic(topic);
    MessageConsumer consumer = session.createConsumer(destination);

    latch.countDown();/*from   w w w  .  j  av  a 2s. c o  m*/

    // Verify user message
    if (checkUserMessage) {
        verifyMesssage(consumer);
    }

    // Verify falcon message
    verifyMesssage(consumer);

    connection.close();
}

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From source file:com.linagora.obm.sync.TestQueueManager.java

@Test
public void testTwoConsumers() throws Exception {
    String testText = "test text";

    Connection connection = createManagedConnection();
    connection.start();
    Session consumerSession1 = createManagedSession(connection);
    MessageConsumer consumer1 = queueManager.createConsumerOnTopic(consumerSession1, TOPIC);

    Session consumerSession2 = createManagedSession(connection);
    MessageConsumer consumer2 = queueManager.createConsumerOnTopic(consumerSession2, TOPIC);

    writeMessageOnTopic(testText, TOPIC, queueManager);

    TextMessage messageReceived1 = (TextMessage) consumer1.receive(TIMEOUT);
    TextMessage messageReceived2 = (TextMessage) consumer2.receive(TIMEOUT);
    Assert.assertEquals(testText, messageReceived1.getText());
    Assert.assertEquals(testText, messageReceived2.getText());
}

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From source file:org.apache.activemq.network.MQTTNetworkOfBrokersFailoverTest.java

private CountDownLatch listenForConsumersOn(BrokerService broker) throws Exception {
    final CountDownLatch latch = new CountDownLatch(1);

    URI brokerUri = broker.getVmConnectorURI();

    final ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(brokerUri.toASCIIString());
    final Connection connection = cf.createConnection();
    connection.start();
    final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination dest = session//from   ww  w  .j av a  2s  .co m
            .createTopic("ActiveMQ.Advisory.Consumer.Queue.Consumer.foo:AT_LEAST_ONCE.VirtualTopic.foo.bar");
    MessageConsumer consumer = session.createConsumer(dest);
    consumer.setMessageListener(new MessageListener() {
        @Override
        public void onMessage(Message message) {
            latch.countDown();
            // shutdown this connection
            Dispatch.getGlobalQueue().execute(new Runnable() {
                @Override
                public void run() {
                    try {
                        session.close();
                        connection.close();
                    } catch (JMSException e) {
                        e.printStackTrace();
                    }
                }
            });
        }
    });

    return latch;
}

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From source file:com.linagora.obm.sync.TestQueueManager.java

@Test
public void testClosedSession() throws Exception {
    String testText = "test text";

    Connection connection = createManagedConnection();
    connection.start();
    Session consumerSession = queueManager.createSession(connection);
    MessageConsumer consumer = queueManager.createConsumerOnTopic(consumerSession, TOPIC);

    writeMessageOnTopic(testText, TOPIC, queueManager);

    TextMessage messageReceived1 = (TextMessage) consumer.receive(TIMEOUT);
    consumerSession.close();//  w ww  .j  av  a 2  s .co m

    writeMessageOnTopic(testText, TOPIC, queueManager);
    consumerSession = createManagedSession(connection);
    consumer = queueManager.createConsumerOnTopic(consumerSession, TOPIC);

    TextMessage messageReceived2 = (TextMessage) consumer.receive(TIMEOUT);
    Assert.assertEquals(testText, messageReceived1.getText());
    Assert.assertNull(messageReceived2);
}

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From source file:de.klemp.middleware.controller.Controller.java

/**
 * This method creates a connection to the message broker Active MQ and
 * sends the message to the given topic. The method is used by all methods
 * of the second component./*w  w w .  ja v a2  s.c o  m*/
 * 
 * @param message
 *            send to the output device
 * @param topic
 *            of the message broker
 */
public static void sendMessage(String message, String topic) {
    String url = ActiveMQConnection.DEFAULT_BROKER_URL;
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(url);

    // Create a Connection
    Connection connection;
    try {
        connection = connectionFactory.createConnection();
        connection.start();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        // Create the destination (Topic or Queue)
        Destination destination = session.createTopic(topic);
        // Create a MessageProducer from the Session to the Topic or Queue
        MessageProducer producer = session.createProducer(destination);
        producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
        // Create a messages
        TextMessage message1 = session.createTextMessage(message);
        // Tell the producer to send the message
        producer.send(message1);
        session.close();
        connection.close();
    } catch (JMSException e) {
        logger.error("Message could not be sended to activemq", e);
    }

}

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From source file:com.linagora.obm.sync.TestQueueManager.java

@Test
public void testDurableSubscription2() throws Exception {
    String testText = "test text";
    String clientId = "c1";

    Connection connection = createManagedConnection();
    connection.setClientID(clientId);/* w w w .  j a va 2 s . c  om*/
    connection.start();
    Session consumerSession = createManagedSession(connection);
    MessageConsumer consumer = queueManager.createDurableConsumerOnTopic(consumerSession, TOPIC, clientId);

    writeMessageOnTopic(testText, TOPIC, queueManager);
    shutdownQueueManager();
    startQueueManager();

    Connection connection2 = createManagedConnection();
    connection2.setClientID(clientId);
    connection2.start();

    consumerSession = createManagedSession(connection2);
    consumer = queueManager.createDurableConsumerOnTopic(consumerSession, TOPIC, clientId);

    TextMessage messageReceived = (TextMessage) consumer.receive(TIMEOUT);
    Assert.assertEquals(testText, messageReceived.getText());
}

---

From source file:org.ct.amq.jdbc.security.JdbcAuthenticationPluginTest.java

public void testTempDestinations() throws Exception {
    Connection conn = factory.createConnection("guest", "password");
    Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
    String name = "org.apache.activemq:BrokerName=localhost,Type=TempTopic";
    try {//from w ww . ja  va2s .c  o  m
        conn.start();
        TemporaryTopic temp = sess.createTemporaryTopic();
        name += ",Destination=" + temp.getTopicName().replaceAll(":", "_");
        fail("Should have failed creating a temp topic");
    } catch (Exception ignore) {
    }

    ObjectName objName = new ObjectName(name);
    TopicViewMBean mbean = (TopicViewMBean) broker.getManagementContext().newProxyInstance(objName,
            TopicViewMBean.class, true);
    try {
        System.out.println(mbean.getName());
        fail("Shouldn't have created a temp topic");
    } catch (Exception ignore) {
    }
}

---

From source file:com.linagora.obm.sync.TestQueueManager.java

@Test
public void testDurableSubscription() throws Exception {
    String testText = "test text";
    String clientId = "c1";

    Connection connection = queueManager.createConnection();
    connection.setClientID(clientId);//from  www. j  a va2s.c om
    connection.start();
    Session consumerSession = queueManager.createSession(connection);
    MessageConsumer consumer = queueManager.createDurableConsumerOnTopic(consumerSession, TOPIC, clientId);
    consumerSession.close();
    connection.close();

    writeMessageOnTopic(testText, TOPIC, queueManager);

    Connection connection2 = createManagedConnection();
    connection2.setClientID(clientId);
    connection2.start();

    consumerSession = queueManager.createSession(connection2);
    consumer = queueManager.createDurableConsumerOnTopic(consumerSession, TOPIC, clientId);

    TextMessage messageReceived = (TextMessage) consumer.receive(TIMEOUT);
    Assert.assertEquals(testText, messageReceived.getText());
}

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

public void sendMessages(String topic, WorkflowExecutionContext.Type type, boolean isFalconWF)
        throws JMSException, FalconException, IOException {
    ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(BROKER_URL);
    Connection connection = connectionFactory.createConnection();
    connection.start();

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Topic destination = session.createTopic(topic);
    javax.jms.MessageProducer producer = session.createProducer(destination);
    producer.setDeliveryMode(DeliveryMode.PERSISTENT);

    for (int i = 0; i < 5; i++) {
        Message message = null;/*from w w w .j  a va2s.  c o m*/

        switch (type) {
        case POST_PROCESSING:
            message = getMockFalconMessage(i, session);
            break;
        case WORKFLOW_JOB:
            message = getMockOozieMessage(i, session, isFalconWF);
            break;
        case COORDINATOR_ACTION:
            message = getMockOozieCoordMessage(i, session, isFalconWF);
        default:
            break;
        }
        Log.debug("Sending:" + message);
        producer.send(message);
    }
}

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From source file:Supplier.java

public void run() {
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user, password, url);
    Session session = null;//from   www  . j a  va 2s.  c  o  m
    Destination orderQueue;
    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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