Package org.apache.activemq.command

Examples of org.apache.activemq.command.SubscriptionInfo

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                ActiveMQDestination dest = (ActiveMQDestination)iter.next();
                if (dest.isTopic()) {               
                    SubscriptionInfo[] infos = destinationFactory.getAllDurableSubscriptions((ActiveMQTopic)dest);
                    if (infos != null) {
                        for (int i = 0; i < infos.length; i++) {
                            SubscriptionInfo info = infos[i];
                            SubscriptionKey key = new SubscriptionKey(info);
                            if (!alreadyKnown(key)) {
                                LOG.debug("Restoring durable subscription mbean: " + info);
                                subscriptions.put(key, info);
                            }
                        }
                    }
                }
            }
        }
        for (Iterator i = subscriptions.entrySet().iterator(); i.hasNext();) {
            Map.Entry entry = (Entry)i.next();
            SubscriptionKey key = (SubscriptionKey)entry.getKey();
            SubscriptionInfo info = (SubscriptionInfo)entry.getValue();
            addInactiveSubscription(key, info);
        }
    }
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            // Recover the durable subscription.
            String clientId = subscription.getSubscriptionKey().getClientId();
            String subscriptionName = subscription.getSubscriptionKey().getSubscriptionName();
            String selector = subscription.getConsumerInfo().getSelector();
            SubscriptionInfo info = topicStore.lookupSubscription(clientId, subscriptionName);
            if (info != null) {
                // Check to see if selector changed.
                String s1 = info.getSelector();
                if (s1 == null ^ selector == null || (s1 != null && !s1.equals(selector))) {
                    // Need to delete the subscription
                    topicStore.deleteSubscription(clientId, subscriptionName);
                    info = null;
                } else {
                    synchronized (consumers) {
                        consumers.add(subscription);
                    }
                }
            }
            // Do we need to create the subscription?
            if (info == null) {
                info = new SubscriptionInfo();
                info.setClientId(clientId);
                info.setSelector(selector);
                info.setSubscriptionName(subscriptionName);
                info.setDestination(getActiveMQDestination());
                // This destination is an actual destination id.
                info.setSubscribedDestination(subscription.getConsumerInfo().getDestination());
                // This destination might be a pattern
                synchronized (consumers) {
                    consumers.add(subscription);
                    topicStore.addSubsciption(info, subscription.getConsumerInfo().isRetroactive());
                }
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        // Eagerly recover the durable subscriptions
        if (store != null) {
            SubscriptionInfo[] infos = store.getAllSubscriptions();
            for (int i = 0; i < infos.length; i++) {

                SubscriptionInfo info = infos[i];
                LOG.debug("Restoring durable subscription: " + info);
                SubscriptionKey key = new SubscriptionKey(info);

                // A single durable sub may be subscribing to multiple topics.
                // so it might exist already.
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                    public void execute(Transaction tx) throws IOException {
                        StoredDestination sd = getStoredDestination(dest, tx);
                        for (Iterator<Entry<String, KahaSubscriptionCommand>> iterator = sd.subscriptions.iterator(tx); iterator
                                .hasNext();) {
                            Entry<String, KahaSubscriptionCommand> entry = iterator.next();
                            SubscriptionInfo info = (SubscriptionInfo) wireFormat.unmarshal(new DataInputStream(entry
                                    .getValue().getSubscriptionInfo().newInput()));
                            subscriptions.add(info);

                        }
                    }
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            }
        }

        public int getMessageCount(String clientId, String subscriptionName) throws IOException {
            final String subscriptionKey = subscriptionKey(clientId, subscriptionName);
            final SubscriptionInfo info = lookupSubscription(clientId, subscriptionName);
            indexLock.readLock().lock();
            try {
                return pageFile.tx().execute(new Transaction.CallableClosure<Integer, IOException>() {
                    public Integer execute(Transaction tx) throws IOException {
                        StoredDestination sd = getStoredDestination(dest, tx);
                        Long cursorPos = sd.subscriptionAcks.get(tx, subscriptionKey);
                        if (cursorPos == null) {
                            // The subscription might not exist.
                            return 0;
                        }
                        MessageOrderCursor moc = new MessageOrderCursor(cursorPos + 1);

                        int counter = 0;
                        try {
                            String selector = info.getSelector();
                            BooleanExpression selectorExpression = null;
                            if (selector != null) {
                                selectorExpression = SelectorParser.parse(selector);
                            }
                            for (Iterator<Entry<Long, MessageKeys>> iterator = sd.orderIndex.iterator(tx, moc); iterator
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            // Recover the durable subscription.
            String clientId = subscription.getSubscriptionKey().getClientId();
            String subscriptionName = subscription.getSubscriptionKey().getSubscriptionName();
            String selector = subscription.getConsumerInfo().getSelector();
            SubscriptionInfo info = topicStore.lookupSubscription(clientId, subscriptionName);
            if (info != null) {
                // Check to see if selector changed.
                String s1 = info.getSelector();
                if (s1 == null ^ selector == null || (s1 != null && !s1.equals(selector))) {
                    // Need to delete the subscription
                    topicStore.deleteSubscription(clientId, subscriptionName);
                    info = null;
                } else {
                    synchronized (consumers) {
                        consumers.add(subscription);
                    }
                }
            }
            // Do we need to create the subscription?
            if (info == null) {
                info = new SubscriptionInfo();
                info.setClientId(clientId);
                info.setSelector(selector);
                info.setSubscriptionName(subscriptionName);
                info.setDestination(getActiveMQDestination());
                // This destination is an actual destination id.
                info.setSubscribedDestination(subscription.getConsumerInfo().getDestination());
                // This destination might be a pattern
                synchronized (consumers) {
                    consumers.add(subscription);
                    topicStore.addSubsciption(info, subscription.getConsumerInfo().isRetroactive());
                }
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        }
    }

    public boolean replayAcknowledge(ConnectionContext context, String clientId, String subscritionName, MessageId messageId) {
        try {
            SubscriptionInfo sub = topicReferenceStore.lookupSubscription(clientId, subscritionName);
            if (sub != null) {
                topicReferenceStore.acknowledge(context, clientId, subscritionName, messageId);
                return true;
            }
        } catch (Throwable e) {
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        return topicReferenceStore.getAllSubscriptions();
    }

    public int getMessageCount(String clientId, String subscriberName) throws IOException {
        flush();
        SubscriptionInfo info = lookupSubscription(clientId, subscriberName);
        try {
            MessageCounter counter = new MessageCounter(info, this);
            topicReferenceStore.recoverSubscription(clientId, subscriberName, counter);
            return counter.count;
        } catch (Exception e) {
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        this.store = store;
        this.ackContainer = ackContainer;
        subscriberContainer = subsContainer;
        // load all the Ack containers
        for (Iterator<SubscriptionInfo> i = subscriberContainer.values().iterator(); i.hasNext();) {
            SubscriptionInfo info = i.next();
            addSubscriberMessageContainer(info.getClientId(), info.getSubscriptionName());
        }
    }
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    }

    public void deleteSubscription(String clientId, String subscriptionName) throws IOException {
        lock.lock();
        try {
            SubscriptionInfo info = lookupSubscription(clientId, subscriptionName);
            if (info != null) {
                adapter.removeSubscriberState(info);
            }
        removeSubscriberMessageContainer(clientId,subscriptionName);
        }finally {
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Related Classes of org.apache.activemq.command.SubscriptionInfo

  • org.apache.activemq.broker.jmx.ManagedRegionBroker
  • org.apache.activemq.broker.region.Topic
  • org.apache.activemq.broker.region.TopicRegion
  • org.apache.activemq.network.ConduitBridge
  • org.apache.activemq.network.DemandForwardingBridgeSupport
  • org.apache.activemq.openwire.v1.SubscriptionInfoMarshaller
  • org.apache.activemq.openwire.v1.SubscriptionInfoTest
  • org.apache.activemq.openwire.v2.SubscriptionInfoMarshaller
  • org.apache.activemq.openwire.v2.SubscriptionInfoTest
  • org.apache.activemq.openwire.v3.SubscriptionInfoMarshaller
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