Examples of org.activemq.service.Subscription

org.activemq.service.Subscription
A Subscription holds messages to be dispatched to a a Client Consumer @version $Revision: 1.1.1.1 $

     * @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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    public Subscription getSubscription(String consumerId) {
        return (Subscription) subscriptions.get(consumerId);
    }


    public Subscription removeSubscription(String consumerId) {
        Subscription subscription = (Subscription) subscriptions.remove(consumerId);
        if (subscription != null) {
            destinationIndex.remove(subscription.getDestination(), subscription);
        }
        return subscription;
    }

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    public Iterator subscriptionIterator() {
        return subscriptions.values().iterator();
    }


    public Subscription makeSubscription(Dispatcher dispatcher,BrokerClient client, ConsumerInfo info, Filter filter) {
        Subscription subscription = createSubscription(dispatcher, client,info, filter);
        subscriptions.put(info.getConsumerId(), subscription);
        destinationIndex.put(subscription.getDestination(), subscription);
        return subscription;
    }

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     * @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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    public void acknowledgeMessage(final BrokerClient client, final MessageAck ack) throws JMSException {
        // 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 = new DurableQueueMessageContainer(persistenceAdapter, persistenceAdapter.createQueueMessageStore(destinationName), 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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Related Classes of org.activemq.service.Subscription

org.activemq.service.impl.DispatchWorker

org.activemq.service.impl.DurableQueueMessageContainerManager

org.activemq.service.impl.DurableTopicMessageContainerManager

org.activemq.service.impl.SubscriptionContainerImpl

org.activemq.service.impl.TransientTopicMessageContainerManager

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