Example usage for javax.jms MessageConsumer close

Introduction

In this page you can find the example usage for javax.jms MessageConsumer close.

Prototype

void close() throws JMSException;

Source Link

Document

Closes the message consumer.

Usage

From source file:ConsumerTool.java

protected void consumeMessagesAndClose(Connection connection, Session session, MessageConsumer consumer,
        long timeout) throws JMSException, IOException {
    System.out.println(/*from w w w . ja  v  a2s  .c  om*/
            "[" + this.getName() + "] We will consume messages while they continue to be delivered within: "
                    + timeout + " ms, and then we will shutdown");

    Message message;
    while ((message = consumer.receive(timeout)) != null) {
        onMessage(message);
    }

    System.out.println("[" + this.getName() + "] Closing connection");
    consumer.close();
    session.close();
    connection.close();
    if (pauseBeforeShutdown) {
        System.out.println("[" + this.getName() + "] Press return to shut down");
        System.in.read();
    }
}

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From source file:dk.netarkivet.common.distribute.JMSConnection.java

/**
 * Remove a messagelistener from a channel (a queue or a topic).
 *
 * @param ml          A specific MessageListener
 * @param channelName a channelname/*from  www. jav a2s.c o  m*/
 */
private void removeListener(MessageListener ml, String channelName) {
    String errMsg = "JMS-error - could not remove Listener from " + "queue/topic: " + channelName;
    int tries = 0;
    Exception lastException = null;
    boolean operationSuccessful = false;

    log.info("Removing listener from channel '" + channelName + "'");
    while (!operationSuccessful && tries < JMS_MAXTRIES) {
        try {
            tries++;
            connectionLock.readLock().lock();
            try {
                MessageConsumer messageConsumer = getConsumer(channelName, ml);
                messageConsumer.close();
                consumers.remove(getConsumerKey(channelName, ml));
                listeners.remove(getConsumerKey(channelName, ml));
            } finally {
                connectionLock.readLock().unlock();
            }
            operationSuccessful = true;
        } catch (JMSException e) {
            lastException = e;
            log.debug("Remove  listener failed (try " + tries + ")", e);
            onException(e);
            log.debug("Will and sleep a while before trying to remove" + " listener again");
            TimeUtils.exponentialBackoffSleep(tries, Calendar.MINUTE);
        } catch (Exception e) {
            lastException = e;
            log.debug("Remove  listener failed (try " + tries + ")", e);
            reconnect();
            log.debug("Will and sleep a while before trying to remove" + " listener again");
            TimeUtils.exponentialBackoffSleep(tries, Calendar.MINUTE);
        }
    }
    if (!operationSuccessful) {
        log.warn(errMsg, lastException);
        throw new IOFailure(errMsg, lastException);
    }
}

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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 w  w  w .  j  a  v  a  2s . 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:com.microsoft.azure.servicebus.samples.jmstopicquickstart.JmsTopicQuickstart.java

private void receiveFromSubscription(ConnectionStringBuilder csb, Context context, ConnectionFactory cf,
        String name) throws NamingException, JMSException, InterruptedException {
    AtomicInteger totalReceived = new AtomicInteger(0);
    System.out.printf("Subscription %s: \n", name);

    Destination subscription = (Destination) context.lookup(name);
    // Create Connection
    Connection connection = cf.createConnection(csb.getSasKeyName(), csb.getSasKey());
    connection.start();//  www  . j  a v a 2s . co m
    // Create Session, no transaction, client ack
    Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
    // Create consumer
    MessageConsumer consumer = session.createConsumer(subscription);
    // Set callback listener. Gets called for each received message.
    consumer.setMessageListener(message -> {
        try {
            System.out.printf("Received message %d with sq#: %s\n", totalReceived.incrementAndGet(), // increments the counter
                    message.getJMSMessageID());
            message.acknowledge();
        } catch (Exception e) {
            System.out.printf("%s", e.toString());
        }
    });

    // wait on the main thread until all sent messages have been received
    while (totalReceived.get() < totalSend) {
        Thread.sleep(1000);
    }
    consumer.close();
    session.close();
    connection.stop();
    connection.close();
}

---

From source file:ConsumerTool.java

protected void consumeMessagesAndClose(Connection connection, Session session, MessageConsumer consumer)
        throws JMSException, IOException {
    System.out.println("[" + this.getName() + "] We are about to wait until we consume: " + maxiumMessages
            + " message(s) then we will shutdown");

    for (int i = 0; i < maxiumMessages && isRunning();) {
        Message message = consumer.receive(1000);
        if (message != null) {
            i++;/*  w w  w  . j  av a 2s . c  o m*/
            onMessage(message);
        }
    }
    System.out.println("[" + this.getName() + "] Closing connection");
    consumer.close();
    session.close();
    connection.close();
    if (pauseBeforeShutdown) {
        System.out.println("[" + this.getName() + "] Press return to shut down");
        System.in.read();
    }
}

---

From source file:com.chinamobile.bcbsp.comm.ConsumerTool.java

/** Comsume messages and close the connection. */
protected void consumeMessagesAndClose(Connection connection, Session session, MessageConsumer consumer,
        long timeout) throws JMSException, IOException {
    LOG.info("[" + this.getName() + "] consume messages while continue to be delivered within: " + timeout
            + " ms, and then we will shutdown");
    Message message;//from   www  .java 2s  .c  om
    while ((message = consumer.receive(timeout)) != null) {
        onMessage(message);
    }
    LOG.info("[" + this.getName() + "] Closing connection");
    consumer.close();
    session.close();
    connection.close();
}

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From source file:com.chinamobile.bcbsp.comm.ConsumerTool.java

/** Comsumer messages and close the connection.
 * @throws IOException,JMSException/*  w  w w  . ja v a  2  s .c om*/
 */
protected void consumeMessagesAndClose(Connection connection, Session session, MessageConsumer consumer)
        throws JMSException, IOException {
    LOG.info("[" + this.getName() + "] We are about to wait until we consume: " + maxiumMessages
            + " message(s) then we will shutdown");
    for (int i = 0; i < maxiumMessages && isRunning();) {
        Message message = consumer.receive(1000);
        if (message != null) {
            i++;
            onMessage(message);
        }
    }
    LOG.info("[" + this.getName() + "] Closing connection");
    consumer.close();
    session.close();
    connection.close();
    if (pauseBeforeShutdown) {
        LOG.info("[" + this.getName() + "] Press return to shut down");
        // System.in.read();
    }
}

---

From source file:com.microsoft.azure.servicebus.samples.jmsqueuequickstart.JmsQueueQuickstart.java

public void run(String connectionString) throws Exception {

    // The connection string builder is the only part of the azure-servicebus SDK library
    // we use in this JMS sample and for the purpose of robustly parsing the Service Bus 
    // connection string. 
    ConnectionStringBuilder csb = new ConnectionStringBuilder(connectionString);

    // set up JNDI context
    Hashtable<String, String> hashtable = new Hashtable<>();
    hashtable.put("connectionfactory.SBCF",
            "amqps://" + csb.getEndpoint().getHost() + "?amqp.idleTimeout=120000&amqp.traceFrames=true");
    hashtable.put("queue.QUEUE", "BasicQueue");
    hashtable.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.qpid.jms.jndi.JmsInitialContextFactory");
    Context context = new InitialContext(hashtable);
    ConnectionFactory cf = (ConnectionFactory) context.lookup("SBCF");

    // Look up queue
    Destination queue = (Destination) context.lookup("QUEUE");

    // we create a scope here so we can use the same set of local variables cleanly 
    // again to show the receive side separately with minimal clutter
    {/*from ww w . j a v  a2  s.  c  o m*/
        // Create Connection
        Connection connection = cf.createConnection(csb.getSasKeyName(), csb.getSasKey());
        // Create Session, no transaction, client ack
        Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);

        // Create producer
        MessageProducer producer = session.createProducer(queue);

        // Send messages
        for (int i = 0; i < totalSend; i++) {
            BytesMessage message = session.createBytesMessage();
            message.writeBytes(String.valueOf(i).getBytes());
            producer.send(message);
            System.out.printf("Sent message %d.\n", i + 1);
        }

        producer.close();
        session.close();
        connection.stop();
        connection.close();
    }

    {
        // Create Connection
        Connection connection = cf.createConnection(csb.getSasKeyName(), csb.getSasKey());
        connection.start();
        // Create Session, no transaction, client ack
        Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
        // Create consumer
        MessageConsumer consumer = session.createConsumer(queue);
        // create a listener callback to receive the messages
        consumer.setMessageListener(message -> {
            try {
                // receives message is passed to callback
                System.out.printf("Received message %d with sq#: %s\n", totalReceived.incrementAndGet(), // increments the tracking counter
                        message.getJMSMessageID());
                message.acknowledge();
            } catch (Exception e) {
                logger.error(e);
            }
        });

        // wait on the main thread until all sent messages have been received
        while (totalReceived.get() < totalSend) {
            Thread.sleep(1000);
        }
        consumer.close();
        session.close();
        connection.stop();
        connection.close();
    }

    System.out.printf("Received all messages, exiting the sample.\n");
    System.out.printf("Closing queue client.\n");
}

---

From source file:io.fabric8.msg.gateway.TestGateway.java

/**
 * TODO - lets figure out a way of mocking kubernetes, running a ZK ensemble, an Artemis broker and testing it!
 * @throws Exception/*  ww  w. j  a v  a2s  .c o m*/
 */
@Ignore
public void simpleTest() throws Exception {
    int numberOfMessages = 10;
    String destinationName = "jms.queue.test.foo";
    String brokerURL = "tcp://0.0.0.0:61616";
    ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(brokerURL);

    Connection consumerConnection = factory.createConnection();
    consumerConnection.start();
    Session consumerSession = consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination consumerDestination = consumerSession.createQueue(destinationName);
    MessageConsumer messageConsumer = consumerSession.createConsumer(consumerDestination);

    Connection producerConnection = factory.createConnection();
    producerConnection.start();
    Session producerSession = producerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination destination = producerSession.createQueue(destinationName);
    MessageProducer producer = producerSession.createProducer(destination);

    for (int i = 0; i < numberOfMessages; i++) {
        Message message = producerSession.createTextMessage("test message: " + i);
        producer.send(message);
        //System.err.println("Sent message " + message);

    }

    Message message;

    for (int i = 0; i < numberOfMessages; i++) {
        message = messageConsumer.receive(5000);
        Assert.assertNotNull(message);
        //System.err.println("Got Message " + message);

    }
    messageConsumer.close();

}

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From source file:Retailer.java

public void run() {
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user, password, url);
    try {//from   w ww  . ja  va  2 s .  com
        Connection connection = connectionFactory.createConnection();

        // The Retailer's session is non-trasacted.
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Destination vendorOrderQueue = session.createQueue("VendorOrderQueue");
        TemporaryQueue retailerConfirmQueue = session.createTemporaryQueue();

        MessageProducer producer = session.createProducer(vendorOrderQueue);
        MessageConsumer replyConsumer = session.createConsumer(retailerConfirmQueue);

        connection.start();

        for (int i = 0; i < 5; i++) {
            MapMessage message = session.createMapMessage();
            message.setString("Item", "Computer(s)");
            int quantity = (int) (Math.random() * 4) + 1;
            message.setInt("Quantity", quantity);
            message.setJMSReplyTo(retailerConfirmQueue);
            producer.send(message);
            System.out.println("Retailer: Ordered " + quantity + " computers.");

            MapMessage reply = (MapMessage) replyConsumer.receive();
            if (reply.getBoolean("OrderAccepted")) {
                System.out.println("Retailer: Order Filled");
            } else {
                System.out.println("Retailer: Order Not Filled");
            }
        }

        // Send a non-MapMessage to signal the end
        producer.send(session.createMessage());

        replyConsumer.close();
        connection.close();

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

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