Package org.apache.activemq.command

Examples of org.apache.activemq.command.ActiveMQMessage

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    protected ActiveMQConnectionFactory connectionFactory;
    protected boolean topic = true;
    public PersistenceAdapterChoice defaultPersistenceAdapter = PersistenceAdapterChoice.KahaDB;

    protected ActiveMQMessage createMessage() {
        return new ActiveMQMessage();
    }
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        }
    }

    public void onMessage(Message message) {
        if (message instanceof ActiveMQMessage) {
            ActiveMQMessage activeMessage = (ActiveMQMessage)message;
            Object command = activeMessage.getDataStructure();
            int count = 0;
            if (command instanceof ConsumerInfo) {
                count = consumerCount.incrementAndGet();
                count = extractConsumerCountFromMessage(message, count);
                fireConsumerEvent(new ConsumerStartedEvent(this, destination, (ConsumerInfo)command, count));
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        if (eosReached || (buffer != null && buffer.length > pos)) {
            return;
        }
        try {
            while (true) {
                ActiveMQMessage m = receive();
                if (m != null && m.getDataStructureType() == CommandTypes.ACTIVEMQ_BYTES_MESSAGE) {
                    // First message.
                    long producerSequenceId = m.getMessageId().getProducerSequenceId();
                    if (producerId == null) {
                        // We have to start a stream at sequence id = 0
                        if (producerSequenceId != 0) {
                            continue;
                        }
                        nextSequenceId++;
                        producerId = m.getMessageId().getProducerId();
                    } else {
                        // Verify it's the next message of the sequence.
                        if (!m.getMessageId().getProducerId().equals(producerId)) {
                            throw new IOException("Received an unexpected message: invalid producer: " + m);
                        }
                        if (producerSequenceId != nextSequenceId++) {
                            throw new IOException("Received an unexpected message: expected ID: " + (nextSequenceId - 1) + " but was: " + producerSequenceId + " for message: " + m);
                        }
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        throws JMSException {
        if (message instanceof ActiveMQMessage) {
            return (ActiveMQMessage)message;

        } else {
            ActiveMQMessage activeMessage = null;

            if (message instanceof BytesMessage) {
                BytesMessage bytesMsg = (BytesMessage)message;
                bytesMsg.reset();
                ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
                msg.setConnection(connection);
                try {
                    for (;;) {
                        // Reads a byte from the message stream until the stream
                        // is empty
                        msg.writeByte(bytesMsg.readByte());
                    }
                } catch (MessageEOFException e) {
                    // if an end of message stream as expected
                } catch (JMSException e) {
                }

                activeMessage = msg;
            } else if (message instanceof MapMessage) {
                MapMessage mapMsg = (MapMessage)message;
                ActiveMQMapMessage msg = new ActiveMQMapMessage();
                msg.setConnection(connection);
                Enumeration iter = mapMsg.getMapNames();

                while (iter.hasMoreElements()) {
                    String name = iter.nextElement().toString();
                    msg.setObject(name, mapMsg.getObject(name));
                }

                activeMessage = msg;
            } else if (message instanceof ObjectMessage) {
                ObjectMessage objMsg = (ObjectMessage)message;
                ActiveMQObjectMessage msg = new ActiveMQObjectMessage();
                msg.setConnection(connection);
                msg.setObject(objMsg.getObject());
                msg.storeContent();
                activeMessage = msg;
            } else if (message instanceof StreamMessage) {
                StreamMessage streamMessage = (StreamMessage)message;
                streamMessage.reset();
                ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
                msg.setConnection(connection);
                Object obj = null;

                try {
                    while ((obj = streamMessage.readObject()) != null) {
                        msg.writeObject(obj);
                    }
                } catch (MessageEOFException e) {
                    // if an end of message stream as expected
                } catch (JMSException e) {
                }

                activeMessage = msg;
            } else if (message instanceof TextMessage) {
                TextMessage textMsg = (TextMessage)message;
                ActiveMQTextMessage msg = new ActiveMQTextMessage();
                msg.setConnection(connection);
                msg.setText(textMsg.getText());
                activeMessage = msg;
            } else {
                activeMessage = new ActiveMQMessage();
                activeMessage.setConnection(connection);
            }

            copyProperties(message, activeMessage);

            return activeMessage;
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        try {
            if(!messageReference.isAdvisory()) {
                ActiveMQTopic topic = AdvisorySupport.getExpiredMessageTopic(messageReference.getMessage().getDestination());
                Message payload = messageReference.getMessage().copy();
                payload.clearBody();
                ActiveMQMessage advisoryMessage = new ActiveMQMessage();
                advisoryMessage.setStringProperty(AdvisorySupport.MSG_PROPERTY_MESSAGE_ID, payload.getMessageId().toString());
                fireAdvisory(context, topic, payload, null, advisoryMessage);
            }
        } catch (Exception e) {
            LOG.warn("Failed to fire message expired advisory");
        }
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    public void slowConsumer(ConnectionContext context, Destination destination,Subscription subs) {
        super.slowConsumer(context, destination,subs);
        try {
            ActiveMQTopic topic = AdvisorySupport.getSlowConsumerAdvisoryTopic(destination.getActiveMQDestination());
            ActiveMQMessage advisoryMessage = new ActiveMQMessage();
            advisoryMessage.setStringProperty(AdvisorySupport.MSG_PROPERTY_CONSUMER_ID, subs.getConsumerInfo().getConsumerId().toString());
            fireAdvisory(context, topic, subs.getConsumerInfo(), null, advisoryMessage);
        } catch (Exception e) {
            LOG.warn("Failed to fire message slow consumer advisory");
        }
    }
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    public void fastProducer(ConnectionContext context,ProducerInfo producerInfo) {
        super.fastProducer(context, producerInfo);
        try {
            ActiveMQTopic topic = AdvisorySupport.getFastProducerAdvisoryTopic(producerInfo.getDestination());
            ActiveMQMessage advisoryMessage = new ActiveMQMessage();
            advisoryMessage.setStringProperty(AdvisorySupport.MSG_PROPERTY_PRODUCER_ID, producerInfo.getProducerId().toString());
            fireAdvisory(context, topic, producerInfo, null, advisoryMessage);
        } catch (Exception e) {
            LOG.warn("Failed to fire message fast producer advisory");
        }
    }
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    public void isFull(ConnectionContext context,Destination destination,Usage usage) {
        super.isFull(context,destination, usage);
        try {
            ActiveMQTopic topic = AdvisorySupport.getFullAdvisoryTopic(destination.getActiveMQDestination());
            ActiveMQMessage advisoryMessage = new ActiveMQMessage();          
            advisoryMessage.setStringProperty(AdvisorySupport.MSG_PROPERTY_USAGE_NAME, usage.getName());
            fireAdvisory(context, topic,null,null,advisoryMessage);
        } catch (Exception e) {
            LOG.warn("Failed to fire message is full advisory");
        }
    }
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    public void nowMasterBroker() {  
        super.nowMasterBroker();
        try {
            ActiveMQTopic topic = AdvisorySupport.getMasterBrokerAdvisoryTopic();
            ActiveMQMessage advisoryMessage = new ActiveMQMessage();                      
            ConnectionContext context = new ConnectionContext();
            context.setBroker(getBrokerService().getBroker());
            fireAdvisory(context, topic,null,null,advisoryMessage);
        } catch (Exception e) {
            LOG.warn("Failed to fire message master broker advisory");
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    protected void fireAdvisory(ConnectionContext context, ActiveMQTopic topic, Command command) throws Exception {
        fireAdvisory(context, topic, command, null);
    }

    protected void fireAdvisory(ConnectionContext context, ActiveMQTopic topic, Command command, ConsumerId targetConsumerId) throws Exception {
        ActiveMQMessage advisoryMessage = new ActiveMQMessage();
        fireAdvisory(context, topic, command, targetConsumerId, advisoryMessage);
    }
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Related Classes of org.apache.activemq.command.ActiveMQMessage

  • org.apache.activemq.ActiveMQConnection
  • org.apache.activemq.ActiveMQInputStream
  • org.apache.activemq.ActiveMQMessageAuditTest
  • org.apache.activemq.ActiveMQMessageConsumer
  • org.apache.activemq.ActiveMQMessageTransformation
  • org.apache.activemq.ActiveMQOutputStream
  • org.apache.activemq.ActiveMQSession
  • org.apache.activemq.advisory.AdvisoryBroker
  • org.apache.activemq.advisory.AdvisoryTempDestinationTests
  • org.apache.activemq.advisory.AdvisoryTests
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