Examples of org.codehaus.activemq.service.Subscription

org.codehaus.activemq.service.Subscription
A Subscription holds messages to be dispatched to a a Client Consumer @version $Revision: 1.15 $

     * @return
     */
    public Map getLocalDestinations() {
        Map localDestinations = new HashMap();
        for (Iterator iter = subscriptionContainer.subscriptionIterator(); iter.hasNext();) {
            Subscription sub = (Subscription) iter.next();
            if (sub.isLocalSubscription()) {
                final ActiveMQDestination dest = sub.getDestination();
                localDestinations.put(dest.getPhysicalName(), dest);
            }
        }
        return Collections.unmodifiableMap(localDestinations);
    }

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        }
          
        //ensure a matching container exists for the destination
        getContainer(info.getDestination().getPhysicalName());
        
        Subscription sub = subscriptionContainer.makeSubscription(dispatcher, client,info, createFilter(info));
        dispatcher.addActiveSubscription(client, sub);
        updateActiveSubscriptions(sub);


        // set active last in case we end up dispatching some messages
        // while recovering
        sub.setActive(true);
    }

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        if (log.isDebugEnabled()) {
            log.debug("Removing consumer: " + info);
        }
        if (info.getDestination() != null && info.getDestination().isQueue()) {
            synchronized (subscriptionMutex) {
                Subscription sub = (Subscription) subscriptionContainer.removeSubscription(info.getConsumerId());
                if (sub != null) {
                    sub.setActive(false);
                    sub.clear();//resets entries in the QueueMessageContainer
                    dispatcher.removeActiveSubscription(client, sub);
                    //need to do wildcards for this - but for now use exact matches
                    for (Iterator iter = messageContainers.values().iterator(); iter.hasNext();) {
                        QueueMessageContainer container = (QueueMessageContainer) iter.next();
                        //should change this for wild cards ...
                        if (container.getDestinationName().equals(sub.getDestination().getPhysicalName())) {
                            QueueList list = getSubscriptionList(container);
                            list.remove(sub);
                            if (list.isEmpty()) {
                                activeSubscriptions.remove(sub.getDestination().getPhysicalName());
                            }
                            list = getBrowserList(container);
                            list.remove(sub);
                            if (list.isEmpty()) {
                                browsers.remove(sub.getDestination().getPhysicalName());
                            }
                        }
                    }
                }
            }

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        // Are we not intrested in handling that destination?
        if( !isManagerFor(ack.getDestination(), ack.isPersistent()) ) {
          return;
        }
        
        final Subscription sub = subscriptionContainer.getSubscription(ack.getConsumerId());
        if (sub == null)
            return;


        sub.messageConsumed(ack);
        if (ack.isMessageRead()) {
            updateAcknowledgeStats(client, sub);
        }
    }

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    protected MessageContainer createContainer(String destinationName) throws JMSException {
        QueueMessageContainer container = persistenceAdapter.createQueueMessageContainer(destinationName);


        //Add any interested Subscriptions to the new Container
        for (Iterator iter = subscriptionContainer.subscriptionIterator(); iter.hasNext();) {
            Subscription sub = (Subscription) iter.next();
            if (sub.isBrowser()) {
                updateBrowsers(container, sub);
            }
            else {
                updateActiveSubscriptions(container, sub);
            }

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     * @param client
     * @param info
     * @throws javax.jms.JMSException
     */
    public void removeMessageConsumer(BrokerClient client, ConsumerInfo info) throws JMSException {
        Subscription sub = (Subscription) activeSubscriptions.remove(info.getConsumerId());
        if (sub != null) {
            sub.setActive(false);
            dispatcher.removeActiveSubscription(client, sub);
            subscriptionContainer.removeSubscription(info.getConsumerId());
            sub.clear();
        }
    }

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        if (log.isDebugEnabled()) {
            log.debug("Dispaching to " + subscriptionContainer + " subscriptions with message: " + message);
        }
        Set subscriptions = subscriptionContainer.getSubscriptions(destination);
        for (Iterator i = subscriptions.iterator(); i.hasNext();) {
            Subscription sub = (Subscription) i.next();
            if (sub.isTarget(message) && (!sub.isDurableTopic() || message.getJMSDeliveryMode() == DeliveryMode.NON_PERSISTENT)) {
                if (container == null) {
                    container = getContainer(message.getJMSDestination().toString());
                    container.addMessage(message);
                }
                sub.addMessage(container, message);
            }
        }
        updateSendStats(client, message);
    }

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     * @param info
     * @throws javax.jms.JMSException
     */
    public void removeMessageConsumer(BrokerClient client, ConsumerInfo info) throws JMSException {
        subscriptionContainer.removeSubscription(info.getConsumerId());
        Subscription sub = (Subscription) activeSubscriptions.remove(info.getConsumerId());
        if (sub != null) {
            sub.setActive(false);
            dispatcher.removeActiveSubscription(client, sub);
        }
    }

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     * @throws javax.jms.JMSException if the subscriber doesn't exist or is still active
     */
    public void deleteSubscription(String clientId, String subscriberName) throws JMSException {
        boolean subscriptionFound = false;
        for (Iterator i = subscriptionContainer.subscriptionIterator(); i.hasNext();) {
            Subscription sub = (Subscription) i.next();
            if (sub.getClientId().equals(clientId) && sub.getSubscriberName().equals(subscriberName)) {
                //only delete if not active
                if (sub.isActive()) {
                    throw new JMSException("The Consummer " + subscriberName + " is still active");
                }
                else {
                    subscriptionContainer.removeSubscription(sub.getConsumerId());
                    sub.clear();
                    subscriptionFound = true;
                }
            }
        }
        if (!subscriptionFound) {

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            MessageContainer container = getContainer(message.getJMSDestination().toString());


            // TODO note if we don't have any durable subscriptions then we might back up here
            container.addMessage(message);
            for (Iterator i = subscriptionContainer.subscriptionIterator(); i.hasNext();) {
                Subscription sub = (Subscription) i.next();
                if (sub.isTarget(message)) {
                    sub.addMessage(container, message);
                }
            }
        }
    }

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Related Classes of org.codehaus.activemq.service.Subscription

org.codehaus.activemq.service.impl.DispatchWorker

org.codehaus.activemq.service.impl.DurableQueueMessageContainerManager

org.codehaus.activemq.service.impl.DurableTopicMessageContainerManager

org.codehaus.activemq.service.impl.QueueMessageContainerManager

org.codehaus.activemq.service.impl.SubscriptionContainerImpl

org.codehaus.activemq.service.impl.TransientTopicMessageContainerManager

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