Example usage for javax.jms MessageConsumer receive

Introduction

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

Prototype

Message receive(long timeout) throws JMSException;

Source Link

Document

Receives the next message that arrives within the specified timeout interval.

Usage

From source file:org.apache.activemq.store.kahadb.SubscriptionRecoveryTest.java

private void tryConsumeExpectNone(Topic topic) throws Exception {
    Connection connection = cf.createConnection();
    connection.setClientID("Inactive");
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageConsumer consumer = session.createDurableSubscriber(topic, "Inactive");
    connection.start();//from   ww w.j  a va 2s  .  c o m
    if (consumer.receive(TimeUnit.SECONDS.toMillis(10)) != null) {
        fail("Should be no messages for this durable.");
    }
    consumer.close();
    connection.close();
}

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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();//from   www .  j av a  2  s .com
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageConsumer consumer = session.createDurableSubscriber(topic, "Inactive");

    int count = 0;

    while (consumer.receive(10000) != null) {
        count++;
    }

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

    return count;
}

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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;/*from   www .j a  va2  s  .c  o  m*/
    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:nl.nn.adapterframework.jms.JmsMessageBrowser.java

public void deleteMessage(String messageId) throws ListenerException {
    Session session = null;//w w w  .ja v a2 s  .c  o m
    MessageConsumer mc = null;
    try {
        session = createSession();
        log.debug("retrieving message [" + messageId + "] in order to delete it");
        mc = getMessageConsumer(session, getDestination(), getCombinedSelector(messageId));
        mc.receive(getTimeOut());
    } catch (Exception e) {
        throw new ListenerException(e);
    } finally {
        try {
            if (mc != null) {
                mc.close();
            }
        } catch (JMSException e1) {
            throw new ListenerException("exception closing message consumer", e1);
        }
        closeSession(session);
    }
}

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From source file:org.codehaus.stomp.jms.StompSession.java

public Message receiveFromJms(String destinationName, Map headers)
        throws JMSException, ProtocolException, NamingException {
    long ttl = getTimeToLive(headers);
    log.trace("Consuming message - ttl=" + ttl);
    Destination destination = convertDestination(destinationName, true);
    MessageConsumer consumer = session.createConsumer(destination);
    Message message;/*from   w w  w.j  a  v a2  s  .co  m*/
    if (ttl > 0) {
        message = consumer.receive(ttl);
    } else {
        message = consumer.receive();
    }
    if (message != null) {
        // As this is a dequeue, automatically acknowledge the message
        message.acknowledge();
    }
    consumer.close();
    log.trace("Received message: " + message);
    return message;
}

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From source file:org.apache.activemq.apollo.JmsQueueBrowserTest.java

public void testBrowseReceive() throws Exception {
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    ActiveMQQueue destination = new ActiveMQQueue("TEST");

    connection.start();//from  www  .j a  va  2 s.co m

    Message[] outbound = new Message[] { session.createTextMessage("First Message"),
            session.createTextMessage("Second Message"), session.createTextMessage("Third Message") };

    MessageProducer producer = session.createProducer(destination);
    producer.send(outbound[0]);

    // create browser first
    QueueBrowser browser = session.createBrowser((Queue) destination);
    Enumeration enumeration = browser.getEnumeration();

    // create consumer
    MessageConsumer consumer = session.createConsumer(destination);

    // browse the first message
    assertTrue("should have received the first message", enumeration.hasMoreElements());
    assertEquals(outbound[0], (Message) enumeration.nextElement());

    // Receive the first message.
    assertEquals(outbound[0], consumer.receive(1000));
    consumer.close();
    browser.close();
    producer.close();

}

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From source file:org.apache.activemq.store.kahadb.SubscriptionRecoveryTest.java

private void consumeDurableMessages(Topic topic, int count) throws Exception {
    Connection connection = cf.createConnection();
    connection.setClientID("Inactive");
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageConsumer consumer = session.createDurableSubscriber(topic, "Inactive");
    connection.start();// w  ww.  ja v a2 s.  com
    for (int i = 0; i < count; ++i) {
        if (consumer.receive(TimeUnit.SECONDS.toMillis(10)) == null) {
            fail("should have received a message");
        }
    }
    consumer.close();
    connection.close();
}

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From source file:nl.nn.adapterframework.jms.PullingJmsListener.java

/**
 * Retrieves messages from queue or other channel under transaction control, but does no processing on it.
 *///from  w ww. ja  v  a2  s  .  c  o m
private Object getRawMessageFromDestination(String correlationId, Map threadContext) throws ListenerException {
    Session session = null;
    Object msg = null;
    try {
        session = getSession(threadContext);
        MessageConsumer mc = null;
        try {
            mc = getReceiver(threadContext, session, correlationId);
            msg = mc.receive(getTimeOut());
            while (msg == null && correlationId == null && canGoOn() && !isTransacted()) {
                msg = mc.receive(getTimeOut());
            }
        } catch (JMSException e) {
            throw new ListenerException(getLogPrefix() + "exception retrieving message", e);
        } finally {
            releaseReceiver(mc, correlationId);
        }
    } finally {
        if (sessionNeedsToBeSavedForAfterProcessMessage(msg)) {
            threadContext.put(THREAD_CONTEXT_SESSION_KEY, session);
        } else {
            releaseSession(session);
        }
    }
    return msg;
}

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From source file:org.apache.activemq.bugs.AMQ7118Test.java

@Test
public void testCompaction() throws Exception {
    CountDownLatch latch = new CountDownLatch(1);

    setupProducerConnection();//from   w  w w.j a  v  a 2  s . com
    setupConsumerConnection();

    Topic topic = pSession.createTopic("test");

    MessageConsumer consumer = cSession.createDurableSubscriber(topic, "clientId1");

    LOG.info("Produce message to test topic");
    produce(pSession, topic, 1, 512); // just one message

    LOG.info("Consume message from test topic");
    Message msg = consumer.receive(5000);
    assertNotNull(msg);

    LOG.info("Produce more messages to test topic and get into PFC");
    boolean sent = produce(cSession, topic, 20, 512 * 1024); // Fill the store

    assertFalse("Never got to PFC condition", sent);

    LOG.info("PFC hit");

    //We hit PFC, so shut down the producer
    producerConnection.close();

    //Lets check the db-*.log file count before checkpointUpdate
    checkFiles(false, 21, "db-21.log");

    // Force checkFiles update
    checkFiles(true, 23, "db-23.log");

    //The ackMessageFileMap should be clean, so no more writing
    checkFiles(true, 23, "db-23.log");

    //One more time just to be sure - The ackMessageFileMap should be clean, so no more writing
    checkFiles(true, 23, "db-23.log");

    //Read out the rest of the messages
    LOG.info("Consuming the rest of the files...");
    for (int i = 0; i < 20; i++) {
        msg = consumer.receive(5000);
    }
    LOG.info("All messages Consumed.");

    //Clean up the log files and be sure its stable
    checkFiles(true, 2, "db-33.log");
    checkFiles(true, 3, "db-34.log");
    checkFiles(true, 2, "db-34.log");
    checkFiles(true, 2, "db-34.log");
    checkFiles(true, 2, "db-34.log");

    broker.stop();
    broker.waitUntilStopped();
}

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From source file:org.dawnsci.commandserver.core.producer.ProcessConsumer.java

/**
 * Parse the queue for stale jobs and things that should be rerun.
 * @param bean/*  w w  w  . ja  v a 2  s  .  co  m*/
 * @throws Exception 
 */
private void processStatusQueue(URI uri, String statusQName) throws Exception {

    QueueConnection qCon = null;

    try {
        QueueConnectionFactory connectionFactory = ConnectionFactoryFacade.createConnectionFactory(uri);
        qCon = connectionFactory.createQueueConnection();
        QueueSession qSes = qCon.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
        Queue queue = qSes.createQueue(statusQName);
        qCon.start();

        QueueBrowser qb = qSes.createBrowser(queue);

        @SuppressWarnings("rawtypes")
        Enumeration e = qb.getEnumeration();

        ObjectMapper mapper = new ObjectMapper();

        Map<String, StatusBean> failIds = new LinkedHashMap<String, StatusBean>(7);
        List<String> removeIds = new ArrayList<String>(7);
        while (e.hasMoreElements()) {
            Message m = (Message) e.nextElement();
            if (m == null)
                continue;
            if (m instanceof TextMessage) {
                TextMessage t = (TextMessage) m;

                try {
                    @SuppressWarnings("unchecked")
                    final StatusBean qbean = mapper.readValue(t.getText(), getBeanClass());
                    if (qbean == null)
                        continue;
                    if (qbean.getStatus() == null)
                        continue;
                    if (!qbean.getStatus().isStarted()) {
                        failIds.put(t.getJMSMessageID(), qbean);
                        continue;
                    }

                    // If it has failed, we clear it up
                    if (qbean.getStatus() == Status.FAILED) {
                        removeIds.add(t.getJMSMessageID());
                        continue;
                    }
                    if (qbean.getStatus() == Status.NONE) {
                        removeIds.add(t.getJMSMessageID());
                        continue;
                    }

                    // If it is running and older than a certain time, we clear it up
                    if (qbean.getStatus() == Status.RUNNING) {
                        final long submitted = qbean.getSubmissionTime();
                        final long current = System.currentTimeMillis();
                        if (current - submitted > getMaximumRunningAge()) {
                            removeIds.add(t.getJMSMessageID());
                            continue;
                        }
                    }

                    if (qbean.getStatus().isFinal()) {
                        final long submitted = qbean.getSubmissionTime();
                        final long current = System.currentTimeMillis();
                        if (current - submitted > getMaximumCompleteAge()) {
                            removeIds.add(t.getJMSMessageID());
                        }
                    }

                } catch (Exception ne) {
                    System.out.println("Message " + t.getText() + " is not legal and will be removed.");
                    removeIds.add(t.getJMSMessageID());
                }
            }
        }

        // We fail the non-started jobs now - otherwise we could
        // actually start them late. TODO check this
        final List<String> ids = new ArrayList<String>();
        ids.addAll(failIds.keySet());
        ids.addAll(removeIds);

        if (ids.size() > 0) {

            for (String jMSMessageID : ids) {
                MessageConsumer consumer = qSes.createConsumer(queue, "JMSMessageID = '" + jMSMessageID + "'");
                Message m = consumer.receive(1000);
                if (removeIds.contains(jMSMessageID))
                    continue; // We are done

                if (m != null && m instanceof TextMessage) {
                    MessageProducer producer = qSes.createProducer(queue);
                    final StatusBean bean = failIds.get(jMSMessageID);
                    bean.setStatus(Status.FAILED);
                    producer.send(qSes.createTextMessage(mapper.writeValueAsString(bean)));

                    System.out.println("Failed job " + bean.getName() + " messageid(" + jMSMessageID + ")");

                }
            }
        }
    } finally {
        if (qCon != null)
            qCon.close();
    }

}

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