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.apache.activemq.bugs.AMQ6133PersistJMSRedeliveryTest.java

private void sendMessages() throws Exception {
    Connection connection = createConnection();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination queue = session.createQueue(QUEUE_NAME);
    Destination retainQueue = session.createQueue(QUEUE_NAME + "-retain");
    MessageProducer producer = session.createProducer(null);

    final byte[] payload = new byte[1000];
    producer.setDeliveryMode(DeliveryMode.PERSISTENT);
    BytesMessage message = session.createBytesMessage();
    message.writeBytes(payload);//from  w w w.  j  a v a2  s  . c  o m

    // Build up a set of messages that will be redelivered and updated later.
    while (getLogFileCount() < 3) {
        producer.send(queue, message);
    }

    // Now create some space for files that are retained during the test.
    while (getLogFileCount() < 6) {
        producer.send(retainQueue, message);
    }

    connection.close();
}

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From source file:org.wso2.andes.systest.TestingBaseCase.java

/**
 * Create and start an asynchrounous publisher that will send MAX_QUEUE_MESSAGE_COUNT
 * messages to the provided destination. Messages are sent in a new connection
 * on a transaction. Any error is captured and the test is signalled to exit.
 *
 * @param destination/*from   w ww .  j a va  2s.  co  m*/
 */
private void startPublisher(final Destination destination) {
    _publisher = new Thread(new Runnable() {

        public void run() {
            try {
                Connection connection = getConnection();
                Session session = connection.createSession(true, Session.SESSION_TRANSACTED);

                MessageProducer publisher = session.createProducer(destination);

                for (int count = 0; count < MAX_QUEUE_MESSAGE_COUNT; count++) {
                    publisher.send(createNextMessage(session, count));
                    session.commit();
                }
            } catch (Exception e) {
                _publisherError = e;
                _disconnectionLatch.countDown();
            }
        }
    });

    _publisher.start();
}

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From source file:de.elomagic.carafile.server.bl.SeedBean.java

public MetaData seedFile(final InputStream inputStream, final String filename)
        throws IOException, GeneralSecurityException, JMSException {
    LOG.debug("Seeding file " + filename);
    MetaData md;//  w w  w. j av a  2  s.c o m
    md = new MetaData();
    md.setFilename(filename);
    md.setCreationDate(new Date());
    md.setChunkSize(DEFAULT_PIECE_SIZE);
    md.setRegistryURI(UriBuilder.fromUri(registryURI).build());

    MessageDigest messageDigest = DigestUtils.getSha1Digest();
    long totalBytes = 0;

    try (DigestInputStream dis = new DigestInputStream(inputStream, messageDigest)) {
        byte[] buffer = new byte[md.getChunkSize()];
        int bytesRead;
        while ((bytesRead = readBlock(dis, buffer)) > 0) {
            totalBytes += bytesRead;
            String chunkId = Hex
                    .encodeHexString(DigestUtils.sha1(new ByteArrayInputStream(buffer, 0, bytesRead)));

            repositoryBean.writeChunk(chunkId, buffer, bytesRead);

            URI uri = UriBuilder.fromUri(ownURI).build();

            ChunkData chunkData = new ChunkData(chunkId, uri);
            md.addChunk(chunkData);
        }
    }

    md.setSize(totalBytes);
    md.setId(Hex.encodeHexString(messageDigest.digest()));

    LOG.debug("File id of seed file is " + md.getId() + "; Size=" + md.getSize() + "; Chunks="
            + md.getChunks().size());

    // Initiate to register at tracker
    LOG.debug("Queue up new file for registration.");
    Connection connection = connectionFactory.createConnection();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageProducer messageProducer = session.createProducer(fileQueue);

    ObjectMessage message = session.createObjectMessage(md);

    messageProducer.send(message);

    connection.close();

    return md;
}

---

From source file:org.apache.falcon.regression.core.supportClasses.JmsMessageConsumer.java

@Override
public void run() {
    try {/*from  w  w w  . j a v a 2 s . c o m*/
        // Getting JMS connection from the server
        Connection connection = new ActiveMQConnectionFactory(brokerURL).createConnection();
        connection.start();

        // Creating session for sending messages
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createTopic(topicName);
        MessageConsumer consumer = session.createConsumer(destination);

        try {
            LOGGER.info("Starting to receive messages.");
            int count = 0;
            for (; count < MAX_MESSAGE_COUNT; ++count) {
                Message message = consumer.receive(); //blocking call
                if (message == null) {
                    LOGGER.info("Received empty message, count = " + count);
                } else {
                    LOGGER.info("Received message, id = " + message.getJMSMessageID());
                    receivedMessages.add((MapMessage) message);
                }
            }
            if (count >= MAX_MESSAGE_COUNT) {
                LOGGER.warn("Not reading more messages, already read " + count + " messages.");
            }
        } finally {
            LOGGER.info("Stopping to receive messages.");
            connection.close();
        }
    } catch (Exception e) {
        LOGGER.info("caught exception: " + ExceptionUtils.getStackTrace(e));
    }
}

---

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

private void consumer() throws JMSException {
    ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(BROKER_URL);
    Connection connection = connectionFactory.createConnection();
    connection.start();//  w  w  w  .jav a2  s.c  om

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

    latch.countDown();
    verifyMesssage(consumer);

    connection.close();
}

---

From source file:com.datatorrent.lib.io.jms.JMSStringInputOperatorTest.java

private void produceMsg(int numMessages) throws Exception {
    // Create a ConnectionFactory
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost");

    // Create a Connection
    Connection connection = connectionFactory.createConnection();
    connection.start();/*from   w ww. j av  a  2s .co  m*/

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

    // Create the destination (Topic or Queue)
    Destination destination = session.createQueue("TEST.FOO");

    // Create a MessageProducer from the Session to the Topic or Queue
    MessageProducer producer = session.createProducer(destination);
    producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

    // Create a messages
    String text = "Hello world! From tester producer";
    TextMessage message = session.createTextMessage(text);
    for (int i = 0; i < numMessages; i++) {
        producer.send(message);
    }

    // Clean up
    session.close();
    connection.close();

}

---

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();//from w  w  w.  ja v  a  2  s .  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:org.apache.flume.source.jms.TestIntegrationActiveMQ.java

private void putQueue(List<String> events) throws Exception {
    ConnectionFactory factory = new ActiveMQConnectionFactory(USERNAME, PASSWORD, BROKER_BIND_URL);
    Connection connection = factory.createConnection();
    connection.start();// www. ja  va 2 s  .c om

    Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createQueue(DESTINATION_NAME);
    MessageProducer producer = session.createProducer(destination);

    for (String event : events) {
        TextMessage message = session.createTextMessage();
        message.setText(event);
        producer.send(message);
    }
    session.commit();
    session.close();
    connection.close();
}

---

From source file:org.apache.flume.source.jms.TestIntegrationActiveMQ.java

private void putTopic(List<String> events) throws Exception {
    ConnectionFactory factory = new ActiveMQConnectionFactory(USERNAME, PASSWORD, BROKER_BIND_URL);
    Connection connection = factory.createConnection();
    connection.start();//from w  ww  .jav a  2s.  co  m

    Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createTopic(DESTINATION_NAME);
    MessageProducer producer = session.createProducer(destination);

    for (String event : events) {
        TextMessage message = session.createTextMessage();
        message.setText(event);
        producer.send(message);
    }
    session.commit();
    session.close();
    connection.close();
}

---

From source file:org.sakaiproject.kernel.messaging.email.EmailMessagingService.java

public String send(Email email) throws MessagingException, JMSException {
    try {//  www.ja va 2s.  c o  m
        email.buildMimeMessage();
    } catch (Exception e) {
        // this is a lossy cast. This would be a commons EmailException
        // this up cast is to keep commons-email out of our direct bindings
        throw new MessagingException(e);
    }

    ByteArrayOutputStream os = new ByteArrayOutputStream();
    try {
        email.getMimeMessage().writeTo(os);
    } catch (javax.mail.MessagingException e) {
        throw new MessagingException(e);

    } catch (IOException e) {
        throw new MessagingException(e);
    }

    String content = os.toString();
    Connection conn = connectionFactory.createTopicConnection();
    conn.setClientID(getNextId());
    Session clientSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination emailTopic = clientSession.createTopic(emailQueueName);
    MessageProducer client = clientSession.createProducer(emailTopic);
    ObjectMessage mesg = clientSession.createObjectMessage(content);
    mesg.setJMSType(emailJmsType);
    client.send(mesg);
    // TODO finish this
    return null;

}

---

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