Example usage for javax.jms Connection createSession

Introduction

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

Prototype

Session createSession(boolean transacted, int acknowledgeMode) throws JMSException;

Source Link

Document

Creates a Session object, specifying transacted and acknowledgeMode .

Usage

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

protected Session createSession(Connection connection) {
    try {// w w w .j  a va2  s .  c o  m
        if (JMSConstants.JMS_SPEC_VERSION_1_1.equals(jmsSpec)
                || JMSConstants.JMS_SPEC_VERSION_2_0.equals(jmsSpec)) {
            return connection.createSession(transactedSession, sessionAckMode);
        } else {
            if (this.destinationType.equals(JMSConstants.JMSDestinationType.QUEUE)) {
                return (QueueSession) ((QueueConnection) (connection)).createQueueSession(transactedSession,
                        sessionAckMode);
            } else if (this.destinationType.equals(JMSConstants.JMSDestinationType.TOPIC)) {
                return (TopicSession) ((TopicConnection) (connection)).createTopicSession(transactedSession,
                        sessionAckMode);
            }
        }
    } catch (JMSException e) {
        logger.error("JMS Exception while obtaining session for factory '" + this.connectionFactoryString + "' "
                + e.getMessage(), e);
    }

    return null;
}

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From source file:org.apache.activemq.artemis.tests.integration.persistence.metrics.JournalPendingMessageTest.java

@Test
public void testScheduledStats() throws Exception {
    AtomicLong publishedMessageSize = new AtomicLong();

    Connection connection = cf.createConnection();
    connection.start();/*from   w  w w .  j  ava2s  .  c o  m*/
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageProducer producer = session.createProducer(session.createQueue(defaultQueueName));
    producer.setDeliveryDelay(2000);
    producer.send(session.createTextMessage("test"));

    verifyPendingStats(defaultQueueName, 1, publishedMessageSize.get());
    verifyPendingDurableStats(defaultQueueName, 1, publishedMessageSize.get());
    verifyScheduledStats(defaultQueueName, 1, publishedMessageSize.get());

    consumeTestQueueMessages(1);

    verifyPendingStats(defaultQueueName, 0, 0);
    verifyPendingDurableStats(defaultQueueName, 0, 0);
    verifyScheduledStats(defaultQueueName, 0, 0);

    connection.close();
}

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From source file:org.apache.activemq.artemis.tests.integration.persistence.metrics.JournalPendingMessageTest.java

@Test
public void testQueueLargeMessageSize() throws Exception {

    ActiveMQConnectionFactory acf = (ActiveMQConnectionFactory) cf;
    acf.setMinLargeMessageSize(1000);//from  w  w  w. jav  a 2  s  . c  o m
    Connection connection = cf.createConnection();
    connection.start();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

    String testText = StringUtils.repeat("t", 5000);
    ActiveMQTextMessage message = (ActiveMQTextMessage) session.createTextMessage(testText);
    session.createProducer(session.createQueue(defaultQueueName)).send(message);

    verifyPendingStats(defaultQueueName, 1, message.getCoreMessage().getPersistentSize());
    verifyPendingDurableStats(defaultQueueName, 1, message.getCoreMessage().getPersistentSize());

    connection.close();

    this.killServer();
    this.restartServer();

    verifyPendingStats(defaultQueueName, 1, message.getCoreMessage().getPersistentSize());
    verifyPendingDurableStats(defaultQueueName, 1, message.getCoreMessage().getPersistentSize());

}

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From source file:org.apache.activemq.artemis.tests.integration.persistence.metrics.JournalPendingMessageTest.java

@Test
public void testDeliveringStats() throws Exception {
    AtomicLong publishedMessageSize = new AtomicLong();

    Connection connection = cf.createConnection();
    connection.start();/*  www . jav a 2 s  .  co m*/
    Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
    MessageProducer producer = session.createProducer(session.createQueue(defaultQueueName));
    producer.send(session.createTextMessage("test"));

    verifyPendingStats(defaultQueueName, 1, publishedMessageSize.get());
    verifyPendingDurableStats(defaultQueueName, 1, publishedMessageSize.get());
    verifyDeliveringStats(defaultQueueName, 0, 0);

    MessageConsumer consumer = session.createConsumer(session.createQueue(defaultQueueName));
    Message msg = consumer.receive();
    verifyDeliveringStats(defaultQueueName, 1, publishedMessageSize.get());
    msg.acknowledge();

    verifyPendingStats(defaultQueueName, 0, 0);
    verifyPendingDurableStats(defaultQueueName, 0, 0);
    verifyDeliveringStats(defaultQueueName, 0, 0);

    connection.close();
}

---

From source file:org.apache.activemq.artemis.tests.integration.persistence.metrics.JournalPendingMessageTest.java

@Test
public void testQueueLargeMessageSizeTX() throws Exception {

    ActiveMQConnectionFactory acf = (ActiveMQConnectionFactory) cf;
    acf.setMinLargeMessageSize(1000);//  w ww.j  av  a 2s.  c  o m
    Connection connection = cf.createConnection();
    connection.start();
    Session session = connection.createSession(true, Session.SESSION_TRANSACTED);

    String testText = StringUtils.repeat("t", 2000);
    MessageProducer producer = session.createProducer(session.createQueue(defaultQueueName));
    ActiveMQTextMessage message = (ActiveMQTextMessage) session.createTextMessage(testText);
    for (int i = 0; i < 10; i++) {
        producer.send(message);
    }

    //not commited so should be 0
    verifyPendingStats(defaultQueueName, 0, message.getCoreMessage().getPersistentSize() * 10);
    verifyPendingDurableStats(defaultQueueName, 0, message.getCoreMessage().getPersistentSize() * 10);

    session.commit();

    verifyPendingStats(defaultQueueName, 10, message.getCoreMessage().getPersistentSize() * 10);
    verifyPendingDurableStats(defaultQueueName, 10, message.getCoreMessage().getPersistentSize() * 10);

    connection.close();

    this.killServer();
    this.restartServer();

    verifyPendingStats(defaultQueueName, 10, message.getCoreMessage().getPersistentSize());
    verifyPendingDurableStats(defaultQueueName, 10, message.getCoreMessage().getPersistentSize());
}

---

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

/** Run of Thread. */
public void run() {
    try {//from w w  w  .ja va  2s.c  om
        running = true;
        this.url = "failover://vm://" + this.brokerName;
        BSPActiveMQConnFactory connectionFactory = new BSPActiveMQConnFactoryImpl();
        connectionFactory.activeMQConnFactoryMethod(url);
        connectionFactory.setOptimizeAcknowledge(true);
        Connection connection = connectionFactory.createConnection();
        if (durable && clientId != null && clientId.length() > 0 && !"null".equals(clientId)) {
            connection.setClientID(clientId);
        }
        connection.setExceptionListener(this);
        connection.start();
        session = connection.createSession(transacted, ackMode);
        if (topic) {
            destination = session.createTopic(subject);
        } else {
            destination = session.createQueue(subject);
        }
        replyProducer = session.createProducer(null);
        replyProducer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
        if (durable && topic) {
            consumer = session.createDurableSubscriber((Topic) destination, consumerName);
        } else {
            consumer = session.createConsumer(destination);
        }
        consumeMessages(connection, session, consumer, receiveTimeOut);
        LOG.info("[ConsumerTool] has received " + this.messagesReceived + " object messages from <"
                + this.subject + ">.");
        LOG.info("[ConsumerTool] has received " + this.messageCount + " BSP messages from <" + this.subject
                + ">.");
        this.receiver.addMessageCount(this.messageCount);
        this.receiver.addMessageBytesCount(messageBytesCount);
    } catch (Exception e) {
        throw new RuntimeException("[ConsumerTool] caught: ", e);
    }
}

---

From source file:org.springframework.jms.core.JmsTemplate.java

/**
 * Create a JMS Session for the given Connection.
 * <p>This implementation uses JMS 1.1 API.
 * @param con the JMS Connection to create a Session for
 * @return the new JMS Session//from  w  w  w . ja  v a  2  s .com
 * @throws JMSException if thrown by JMS API methods
 */
protected Session createSession(Connection con) throws JMSException {
    return con.createSession(isSessionTransacted(), getSessionAcknowledgeMode());
}

---

From source file:tools.ConsumerTool.java

@Override
public void run() {
    Connection connection = null;
    Session session = null;/*  w  w w  .  j  av a2 s. c om*/
    try {
        connection = connectionFactory.createConnection();
        if (clientId != null) {
            connection.setClientID(clientId);
        }
        connection.start();
        session = connection.createSession(transacted, acknowledgeMode);
        Destination destination = null;
        if (jndiLookupDestinations) {
            destination = (Destination) context.lookup(destinationName);
        } else {
            if (useQueueDestinations) {
                if (useTemporaryDestinations) {
                    destination = session.createTemporaryQueue();
                } else {
                    destination = session.createQueue(destinationName);
                }
            } else {
                if (useTemporaryDestinations) {
                    destination = session.createTemporaryTopic();
                } else {
                    destination = session.createTopic(destinationName);
                }
            }
        }

        if (useQueueBrowser) {
            runQueueBrowser(session, (Queue) destination);
        } else {
            MessageConsumer consumer = null;
            if (useQueueDestinations) { //Queues
                if (selector != null) {
                    consumer = session.createConsumer(destination, selector);
                } else {
                    consumer = session.createConsumer(destination);
                }
            } else { //Queues
                if (durable) { //Durable Subscribers
                    if (selector != null) {
                        consumer = session.createDurableSubscriber((Topic) destination, subscriptionName,
                                selector, false);
                    } else {
                        consumer = session.createDurableSubscriber((Topic) destination, subscriptionName);
                    }
                } else { //Non-Durable Subscribers
                    if (selector != null) {
                        consumer = session.createConsumer(destination, selector);
                    } else {
                        consumer = session.createConsumer(destination);
                    }
                }
            }

            if (useAsyncListener) {
                final Session consumerSession = session;

                final AtomicInteger perConsumerReceivedMessages = new AtomicInteger(0);
                consumer.setMessageListener(new MessageListener() {

                    @Override
                    public void onMessage(Message message) {
                        perConsumerReceivedMessages.incrementAndGet();
                        handleMessage(consumerSession, message, perConsumerReceivedMessages.get());
                    }
                });
                while (perConsumerReceivedMessages.get() < numMessages) {
                    Thread.sleep(100);
                }
            } else {
                int perConsumerReceivedMessages = 0;
                while (perConsumerReceivedMessages < numMessages) {

                    Message message = null;
                    if (receiveTimeoutMS > -1) {
                        message = consumer.receive(receiveTimeoutMS);
                    } else {
                        message = consumer.receive();
                    }

                    if (message != null) {
                        perConsumerReceivedMessages++;
                        handleMessage(session, message, perConsumerReceivedMessages);
                    }
                }
            }
            consumer.close();
        }

    } catch (Exception ex) {
        LOGGER.error("ConsumerTool hit exception: " + ex.getMessage(), ex);
    } finally {
        if (session != null) {
            try {
                session.close();
            } catch (JMSException e) {
                LOGGER.error("JMSException closing session", e);
            }
        }
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                LOGGER.error("JMSException closing connection", e);
            }
        }
    }
}

---

From source file:org.apache.james.queue.activemq.ActiveMQMailQueue.java

/**
 * Try to use ActiveMQ StatisticsPlugin to get size and if that fails
 * fallback to {@link JMSMailQueue#getSize()}
 *//*from w  ww .j a  v a2s  . c o m*/
@Override
public long getSize() throws MailQueueException {

    Connection connection = null;
    Session session = null;
    MessageConsumer consumer = null;
    MessageProducer producer = null;
    TemporaryQueue replyTo = null;
    long size = -1;

    try {
        connection = connectionFactory.createConnection();
        connection.start();

        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        replyTo = session.createTemporaryQueue();
        consumer = session.createConsumer(replyTo);

        Queue myQueue = session.createQueue(queuename);
        producer = session.createProducer(null);

        String queueName = "ActiveMQ.Statistics.Destination." + myQueue.getQueueName();
        Queue query = session.createQueue(queueName);

        Message msg = session.createMessage();
        msg.setJMSReplyTo(replyTo);
        producer.send(query, msg);
        MapMessage reply = (MapMessage) consumer.receive(2000);
        if (reply != null && reply.itemExists("size")) {
            try {
                size = reply.getLong("size");
                return size;
            } catch (NumberFormatException e) {
                // if we hit this we can't calculate the size so just catch
                // it
            }
        }

    } catch (Exception e) {
        throw new MailQueueException("Unable to remove mails", e);

    } finally {

        if (consumer != null) {

            try {
                consumer.close();
            } catch (JMSException e1) {
                e1.printStackTrace();
                // ignore on rollback
            }
        }

        if (producer != null) {

            try {
                producer.close();
            } catch (JMSException e1) {
                // ignore on rollback
            }
        }

        if (replyTo != null) {
            try {

                // we need to delete the temporary queue to be sure we will
                // free up memory if thats not done and a pool is used
                // its possible that we will register a new mbean in jmx for
                // every TemporaryQueue which will never get unregistered
                replyTo.delete();
            } catch (JMSException e) {
            }
        }
        try {
            if (session != null)
                session.close();
        } catch (JMSException e1) {
            // ignore here
        }

        try {
            if (connection != null)
                connection.close();
        } catch (JMSException e1) {
            // ignore here
        }
    }

    // if we came to this point we should just fallback to super method
    return super.getSize();
}

---

From source file:org.apache.activemq.artemis.tests.integration.persistence.metrics.JournalPendingMessageTest.java

@Test
public void testTopicNonPersistentMessageSize() throws Exception {
    AtomicLong publishedMessageSize = new AtomicLong();

    Connection connection = cf.createConnection();
    connection.setClientID("clientId");
    connection.start();/*  w  ww  .ja  va  2s .  c om*/
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageConsumer consumer = session.createConsumer(session.createTopic(defaultTopicName));

    publishTestTopicMessages(200, DeliveryMode.NON_PERSISTENT, publishedMessageSize);

    verifyPendingStats(defaultTopicName, 200, publishedMessageSize.get());

    // consume all messages
    consumeTestMessages(consumer, 200);

    // All messages should now be gone
    verifyPendingStats(defaultTopicName, 0, 0);

    connection.close();
}

---

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