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.openbaton.common.vnfm_sdk.amqp.VnfmSpringHelper.java

/**
 * This method should be used for receiving text message from EMS
 *
 * resp = { 'output': out, // the output of the command 'err': err, // the error outputs of the
 * commands 'status': status // the exit status of the command }
 *
 * @param queueName//from  www .  j  a v a2s  .  c o m
 * @return
 * @throws JMSException
 */
public String receiveTextFromQueue(String queueName)
        throws JMSException, ExecutionException, InterruptedException, VnfmSdkException {
    String res;

    Connection connection = connectionFactory.createConnection();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageConsumer consumer = session.createConsumer(session.createQueue(queueName));
    connection.start();
    String scriptMaxTime = properties.getProperty("script-max-time");
    if (scriptMaxTime != null) {
        TextMessage textMessage = (TextMessage) consumer.receive(Long.parseLong(scriptMaxTime));
        if (textMessage != null)
            res = textMessage.getText();
        else
            throw new VnfmSdkException("No message got from queue " + queueName + " after " + scriptMaxTime);
    } else
        res = ((TextMessage) consumer.receive()).getText();
    log.debug("Received Text from " + queueName + ": " + res);
    consumer.close();
    session.close();
    connection.close();
    return res;
}

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From source file:org.genemania.broker.Worker.java

private void startNewConnection() throws JMSException {
    PooledConnectionFactory connectionFactory = new PooledConnectionFactory(brokerUrl);
    Connection connection = connectionFactory.createConnection();
    connection.setExceptionListener(this);
    connection.start();
    session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    responseHandler = session.createProducer(null);
    Queue requestsQueue = session.createQueue(mqRequestsQueueName);
    requestHandler = session.createConsumer(requestsQueue);
    requestHandler.setMessageListener(this);
    LOG.info("Listening to " + requestsQueue.getQueueName());
}

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From source file:org.apache.activemq.store.jdbc.JmsTransactionCommitFailureTest.java

private Message receiveMessage(String queueName, long receiveTimeout) throws JMSException {
    Message message = null;//w w  w .j  a v  a2  s.c om
    Connection con = connectionFactory.createConnection();
    try {
        con.start();
        try {
            Session session = con.createSession(true, Session.SESSION_TRANSACTED);
            try {
                Queue destination = session.createQueue(queueName);
                MessageConsumer consumer = session.createConsumer(destination);
                try {
                    message = consumer.receive(receiveTimeout);
                    session.commit();
                } finally {
                    consumer.close();
                }
            } finally {
                session.close();
            }
        } finally {
            con.stop();
        }
    } finally {
        con.close();
    }
    return message;
}

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

public static void sendMessageFast(String message, String topic) {
    String url = ActiveMQConnection.DEFAULT_BROKER_URL;
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(url);

    // Create a Connection
    Connection connection;
    try {/* w w w . java  2s  .c o m*/
        connectionFactory.setOptimizeAcknowledge(true);
        connectionFactory.setUseAsyncSend(true);
        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:org.apache.activemq.store.kahadb.SubscriptionRecoveryTest.java

private int consumeFromInactiveDurableSub(Topic topic) throws Exception {
    Connection connection = cf.createConnection();
    connection.setClientID("Inactive");
    connection.start();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageConsumer consumer = session.createDurableSubscriber(topic, "Inactive");

    int count = 0;

    while (consumer.receive(10000) != null) {
        count++;/*from w  ww . ja v  a  2 s.  c o m*/
    }

    consumer.close();
    connection.close();

    return count;
}

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From source file:org.apache.activemq.usecases.DurableSubscriberWithNetworkRestartTest.java

public void testSendOnAReceiveOnBWithTransportDisconnect() throws Exception {
    bridge(SPOKE, HUB);/*ww w.j a v  a 2 s.  c om*/
    startAllBrokers();

    verifyDuplexBridgeMbean();

    // Setup connection
    URI hubURI = brokers.get(HUB).broker.getTransportConnectors().get(0).getPublishableConnectURI();
    URI spokeURI = brokers.get(SPOKE).broker.getTransportConnectors().get(0).getPublishableConnectURI();
    ActiveMQConnectionFactory facHub = new ActiveMQConnectionFactory(hubURI);
    ActiveMQConnectionFactory facSpoke = new ActiveMQConnectionFactory(spokeURI);
    Connection conHub = facHub.createConnection();
    Connection conSpoke = facSpoke.createConnection();
    conHub.setClientID("clientHUB");
    conSpoke.setClientID("clientSPOKE");
    conHub.start();
    conSpoke.start();
    Session sesHub = conHub.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Session sesSpoke = conSpoke.createSession(false, Session.AUTO_ACKNOWLEDGE);

    ActiveMQTopic topic = new ActiveMQTopic("TEST.FOO");
    String consumerName = "consumerName";

    // Setup consumers
    MessageConsumer remoteConsumer = sesHub.createDurableSubscriber(topic, consumerName);
    sleep(1000);
    remoteConsumer.close();

    // Setup producer
    MessageProducer localProducer = sesSpoke.createProducer(topic);
    localProducer.setDeliveryMode(DeliveryMode.PERSISTENT);

    final String payloadString = new String(new byte[10 * 1024]);
    // Send messages
    for (int i = 0; i < MESSAGE_COUNT; i++) {
        Message test = sesSpoke.createTextMessage("test-" + i);
        test.setStringProperty("payload", payloadString);
        localProducer.send(test);
    }
    localProducer.close();

    final String options = "?persistent=true&useJmx=true&deleteAllMessagesOnStartup=false";
    for (int i = 0; i < 2; i++) {
        brokers.get(SPOKE).broker.stop();
        sleep(1000);
        createBroker(new URI("broker:(tcp://localhost:61616)/" + SPOKE + options));
        bridge(SPOKE, HUB);
        brokers.get(SPOKE).broker.start();
        LOG.info("restarted spoke..:" + i);

        assertTrue("got mbeans on restart", Wait.waitFor(new Wait.Condition() {
            @Override
            public boolean isSatisified() throws Exception {
                return countMbeans(brokers.get(HUB).broker, "networkBridge", 20000) == (dynamicOnly ? 1 : 2);
            }
        }));
    }
}

---

From source file:ProducerTool.java

public void run() {
    Connection connection = null;
    try {//from  w w  w .j  a va2 s .c  o m
        // Create the connection.
        ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user, password, url);
        connection = connectionFactory.createConnection();
        connection.start();

        // Create the session
        Session session = connection.createSession(transacted, Session.AUTO_ACKNOWLEDGE);
        if (topic) {
            destination = session.createTopic(subject);
        } else {
            destination = session.createQueue(subject);
        }

        // Create the producer.
        MessageProducer producer = session.createProducer(destination);
        if (persistent) {
            producer.setDeliveryMode(DeliveryMode.PERSISTENT);
        } else {
            producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
        }
        if (timeToLive != 0) {
            producer.setTimeToLive(timeToLive);
        }

        // Start sending messages
        sendLoop(session, producer);

        System.out.println("[" + this.getName() + "] Done.");

        synchronized (lockResults) {
            ActiveMQConnection c = (ActiveMQConnection) connection;
            System.out.println("[" + this.getName() + "] Results:\n");
            c.getConnectionStats().dump(new IndentPrinter());
        }

    } catch (Exception e) {
        System.out.println("[" + this.getName() + "] Caught: " + e);
        e.printStackTrace();
    } finally {
        try {
            connection.close();
        } catch (Throwable ignore) {
        }
    }
}

---

From source file:org.apache.activemq.usecases.DurableSubscriberWithNetworkDisconnectTest.java

public void testSendOnAReceiveOnBWithTransportDisconnect() throws Exception {
    bridgeBrokers(SPOKE, HUB);//from   w w w . j  a v  a2s .  c  om

    startAllBrokers();

    // Setup connection
    URI hubURI = brokers.get(HUB).broker.getVmConnectorURI();
    URI spokeURI = brokers.get(SPOKE).broker.getVmConnectorURI();
    ActiveMQConnectionFactory facHub = new ActiveMQConnectionFactory(hubURI);
    ActiveMQConnectionFactory facSpoke = new ActiveMQConnectionFactory(spokeURI);
    Connection conHub = facHub.createConnection();
    Connection conSpoke = facSpoke.createConnection();
    conHub.setClientID("clientHUB");
    conSpoke.setClientID("clientSPOKE");
    conHub.start();
    conSpoke.start();
    Session sesHub = conHub.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Session sesSpoke = conSpoke.createSession(false, Session.AUTO_ACKNOWLEDGE);

    ActiveMQTopic topic = new ActiveMQTopic("TEST.FOO");
    String consumerName = "consumerName";

    // Setup consumers
    MessageConsumer remoteConsumer = sesSpoke.createDurableSubscriber(topic, consumerName);
    remoteConsumer.setMessageListener(new MessageListener() {
        public void onMessage(Message msg) {
            try {
                TextMessage textMsg = (TextMessage) msg;
                receivedMsgs++;
                LOG.info("Received messages (" + receivedMsgs + "): " + textMsg.getText());
            } catch (JMSException e) {
                e.printStackTrace();
            }
        }
    });

    // allow subscription information to flow back to Spoke
    sleep(1000);

    // Setup producer
    MessageProducer localProducer = sesHub.createProducer(topic);
    localProducer.setDeliveryMode(DeliveryMode.PERSISTENT);

    // Send messages
    for (int i = 0; i < MESSAGE_COUNT; i++) {
        sleep(50);
        if (i == 50 || i == 150) {
            if (simulateStalledNetwork) {
                socketProxy.pause();
            } else {
                socketProxy.close();
            }
            networkDownTimeStart = System.currentTimeMillis();
        } else if (networkDownTimeStart > 0) {
            // restart after NETWORK_DOWN_TIME seconds
            sleep(NETWORK_DOWN_TIME);
            networkDownTimeStart = 0;
            if (simulateStalledNetwork) {
                socketProxy.goOn();
            } else {
                socketProxy.reopen();
            }
        } else {
            // slow message production to allow bridge to recover and limit message duplication
            sleep(500);
        }
        Message test = sesHub.createTextMessage("test-" + i);
        localProducer.send(test);
    }

    LOG.info("waiting for messages to flow");
    Wait.waitFor(new Wait.Condition() {
        @Override
        public boolean isSatisified() throws Exception {
            return receivedMsgs >= MESSAGE_COUNT;
        }
    });

    assertTrue("At least message " + MESSAGE_COUNT + " must be received, count=" + receivedMsgs,
            MESSAGE_COUNT <= receivedMsgs);
    brokers.get(HUB).broker.deleteAllMessages();
    brokers.get(SPOKE).broker.deleteAllMessages();
    conHub.close();
    conSpoke.close();
}

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From source file:org.wso2.carbon.esb.scenario.test.common.jms.ActiveMQJMSClient.java

/**
 * Function to produce message to ActiveMQ Queue
 *
 * @param queueName name of the target queue
 * @param messageStr message to place//w  w w.j  av a 2 s.  com
 * @throws JMSException
 */
public void produceMessageToQueue(String queueName, String messageStr) throws JMSException {

    Connection connection = null;
    Session session = null;

    try {
        // Create a ConnectionFactory
        ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(brokerUrl);

        // Create a Connection
        connection = connectionFactory.createConnection();
        connection.start();
        connection.setExceptionListener(this);

        // Create a Session
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

        // Create the destination (Topic or Queue)
        Destination destination = session.createQueue(queueName);

        // 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 message = session.createTextMessage(messageStr);

        // Tell the producer to send the message
        producer.send(message);

    } finally {
        // Clean up
        if (session != null) {
            session.close();
        }
        if (connection != null) {
            connection.close();
        }
    }
}

---

From source file:org.wso2.carbon.inbound.endpoint.protocol.jms.factory.CachedJMSConnectionFactory.java

public Connection getConnection(String userName, String password) {
    Connection connection;
    if (cachedConnection == null) {
        connection = createConnection(userName, password);
    } else {/*  ww w . ja  v a 2 s .  co  m*/
        connection = cachedConnection;
    }
    if (connection == null) {
        return null;
    }
    try {
        connection.start();
    } catch (JMSException e) {
        logger.error("JMS Exception while starting connection for factory '" + this.connectionFactoryString
                + "' " + e.getMessage());
        resetCache();
    }
    return connection;
}

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