Examples with Message javax.jms.Message used on opensource projects

Example 11 with Message

use of javax.jms.Message in project storm by apache.

the class JmsSpout method nextTuple.

public void nextTuple() {
    Message msg = this.queue.poll();
    if (msg == null) {
        Utils.sleep(50);
    } else {
        LOG.debug("sending tuple: " + msg);
        // get the tuple from the handler
        try {
            Values vals = this.tupleProducer.toTuple(msg);
            // ack if we're not in AUTO_ACKNOWLEDGE mode, or the message requests ACKNOWLEDGE
            LOG.debug("Requested deliveryMode: " + toDeliveryModeString(msg.getJMSDeliveryMode()));
            LOG.debug("Our deliveryMode: " + toDeliveryModeString(this.jmsAcknowledgeMode));
            if (this.isDurableSubscription()) {
                LOG.debug("Requesting acks.");
                JmsMessageID messageId = new JmsMessageID(this.messageSequence++, msg.getJMSMessageID());
                this.collector.emit(vals, messageId);
                // at this point we successfully emitted. Store
                // the message and message ID so we can do a
                // JMS acknowledge later
                this.pendingMessages.put(messageId, msg);
                this.toCommit.add(messageId);
            } else {
                this.collector.emit(vals);
            }
        } catch (JMSException e) {
            LOG.warn("Unable to convert JMS message: " + msg);
        }
    }
}

Example 12 with Message

use of javax.jms.Message in project hive by apache.

the class NotificationListener method isConnectionHealthy.

/**
   * Send a dummy message to probe if the JMS connection is healthy
   * @return true if connection is healthy, false otherwise
   */
protected boolean isConnectionHealthy() {
    try {
        Topic topic = createTopic(getTopicPrefix(getConf()) + "." + HEALTH_CHECK_TOPIC_SUFFIX);
        MessageProducer producer = createProducer(topic);
        Message msg = session.get().createTextMessage(HEALTH_CHECK_MSG);
        producer.send(msg, DeliveryMode.NON_PERSISTENT, 4, 0);
    } catch (Exception e) {
        return false;
    }
    return true;
}

Example 13 with Message

use of javax.jms.Message in project javaee7-samples by javaee-samples.

the class ClassicMessageReceiver method receiveMessage.

public String receiveMessage() {
    String response = null;
    Connection connection = null;
    try {
        connection = connectionFactory.createConnection();
        connection.start();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageConsumer messageConsumer = session.createConsumer(demoQueue);
        Message message = messageConsumer.receive(5000);
        response = message.getBody(String.class);
    } catch (JMSException ex) {
        ex.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException ex) {
                ex.printStackTrace();
            }
        }
    }
    return response;
}

Example 14 with Message

use of javax.jms.Message in project quickstarts by jboss-switchyard.

the class JMSClient method sendToActiveMQ.

private static void sendToActiveMQ() throws Exception {
    ConnectionFactory cf = new ActiveMQConnectionFactory(AMQ_USER, AMQ_PASSWD, AMQ_BROKER_URL);
    Connection conn = cf.createConnection();
    try {
        Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
        final MessageProducer producer = session.createProducer(session.createQueue(QUEUE_NAME));
        BufferedReader reader = new BufferedReader(new InputStreamReader(Thread.currentThread().getContextClassLoader().getResourceAsStream(MESSAGE_PAYLOAD)));
        StringBuilder buf = new StringBuilder();
        String line = null;
        while ((line = reader.readLine()) != null) {
            buf.append(line);
        }
        reader.close();
        Message message = session.createTextMessage(buf.toString());
        producer.send(message);
        System.out.println("Message sent. Please see server console output");
    } finally {
        conn.close();
    }
}

Example 15 with Message

use of javax.jms.Message in project quickstarts by jboss-switchyard.

the class JMSClient method sendToHornetQ.

private static void sendToHornetQ(String value) throws Exception {
    HornetQMixIn hqMixIn = new HornetQMixIn(false).setUser(USER).setPassword(PASSWD);
    hqMixIn.initialize();
    try {
        Session session = hqMixIn.getJMSSession();
        final MessageProducer producer = session.createProducer(HornetQMixIn.getJMSQueue(REQUEST_NAME));
        final MessageConsumer consumer = session.createConsumer(HornetQMixIn.getJMSQueue(REPLY_NAME));
        producer.send(hqMixIn.createJMSMessage(createPayload(value)));
        System.out.println("Message sent. Waiting for reply ...");
        Message message = consumer.receive(3000);
        String reply = hqMixIn.readStringFromJMSMessage(message);
        System.out.println("REPLY: \n" + reply);
    } finally {
        hqMixIn.uninitialize();
    }
}