Package org.jboss.jms.server

Examples of org.jboss.jms.server.JMSCondition


         //First we remove any data for a non durable sub - a non durable sub might have data in the
         //database since it might have paged
        
         PostOffice po = serverPeer.getPostOfficeInstance();
                 
         Collection queues = serverPeer.getPostOfficeInstance().getQueuesForCondition(new JMSCondition(false, destination.getName()), true);
       
         Iterator iter = queues.iterator();
        
         while (iter.hasNext())           
         {
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    *
    * @throws Exception if the post office can't be reached.
    */
   private void setMaxSizeForQueues() throws Exception
   {
      Condition cond = new JMSCondition(isQueue(), this.getName());
      PostOffice postOffice = serverPeer.getPostOfficeInstance();
      Collection subs = postOffice.getQueuesForCondition(cond, true);
      Iterator iter = subs.iterator();
      while (iter.hasNext())
      {
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         }
         else
         {          
            // Create a new queue

            JMSCondition queueCond = new JMSCondition(true, destination.getName());
           
            queue = new MessagingQueue(nodeId, destination.getName(),
                                     serverPeer.getChannelIDManager().getID(),
                                       serverPeer.getMessageStore(), serverPeer.getPersistenceManagerInstance(),
                                       true,
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         }
         else
         {          
            // Create a new queue

            JMSCondition queueCond = new JMSCondition(true, destination.getName());
           
            queue = new MessagingQueue(nodeId, destination.getName(),
                                     serverPeer.getChannelIDManager().getID(),
                                       serverPeer.getMessageStore(), serverPeer.getPersistenceManagerInstance(),
                                       true,
                                       destination.getMaxSize(), null,
                                       destination.getFullSize(), destination.getPageSize(),
                                       destination.getDownCacheSize(), destination.isClustered(),
                                       serverPeer.getRecoverDeliveriesTimeout(),
                                       ((ManagedQueue)destination).getDeliveringCounterLevel());
            po.addBinding(new Binding(queueCond, queue, false), false);
           
            queue.activate();
         }
        
         po.removeInactiveCondition(new JMSCondition(true, destination.getName()));
        
         ((ManagedQueue)destination).setQueue(queue);
        
         String counterName = QUEUE_MESSAGECOUNTER_PREFIX + destination.getName();
        
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   public synchronized void stopService() throws Exception
   {
      try
      {
         PostOffice po = serverPeer.getPostOfficeInstance();
         po.addInactiveCondition(new JMSCondition(true, destination.getName()));
        
        serverPeer.getDestinationManager().unregisterDestination(destination);
       
         Queue queue = ((ManagedQueue)destination).getQueue();
        
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               DeliveryRecovery info = (DeliveryRecovery)iter2.next();

               ids.add(new Long(info.getMessageID()));
            }

            JMSCondition cond = (JMSCondition)binding.condition;

            ManagedDestination dest =
               sp.getDestinationManager().getDestination(cond.getName(), cond.isQueue());

            if (dest == null)
            {
               throw new IllegalStateException("Cannot find managed destination with name " +
                  cond.getName() + " isQueue" + cond.isQueue());
            }

            Queue dlqToUse =
               dest.getDLQ() == null ? defaultDLQ : dest.getDLQ();
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                                     idm.getID(), ms, pm, false, -1, null,
                                       fullSize, pageSize, downCacheSize, postOffice.isClustered(),
                                       sp.getRecoverDeliveriesTimeout());


            Condition cond = new JMSCondition(true, dest.getName());

           // make a binding for this temporary queue

            // temporary queues need to bound on ALL nodes of the cluster
            postOffice.addBinding(new Binding(cond, coreQueue, true), postOffice.isClustered());
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            postOffice.removeBinding(dest.getName(), postOffice.isClustered());
         }
         else
         {
            //Topic
            Collection queues = postOffice.getQueuesForCondition(new JMSCondition(false, dest.getName()), true);

            if (!queues.isEmpty())
           {
              throw new IllegalStateException("Cannot delete temporary topic if it has consumer(s)");
           }
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                                mDest.getPageSize(),
                                mDest.getDownCacheSize(),
                                mDest.isClustered(),
                                sp.getRecoverDeliveriesTimeout());

            JMSCondition topicCond = new JMSCondition(false, jmsDestination.getName());

            postOffice.addBinding(new Binding(topicCond, queue, false), false);

            queue.activate();

            String counterName = TopicService.SUBSCRIPTION_MESSAGECOUNTER_PREFIX + queue.getName();

            int dayLimitToUse = mDest.getMessageCounterHistoryDayLimit();
            if (dayLimitToUse == -1)
            {
               //Use override on server peer
               dayLimitToUse = sp.getDefaultMessageCounterHistoryDayLimit();
            }

            //We don't create message counters on temp topics
            if (!mDest.isTemporary())
            {
              MessageCounter counter =  new MessageCounter(counterName, null, queue, true, false, dayLimitToUse);

              sp.getMessageCounterManager().registerMessageCounter(counterName, counter);
            }
         }
         else
         {
            if (jmsDestination.isTemporary())
            {
               throw new InvalidDestinationException("Cannot create a durable subscription on a temporary topic");
            }

            // We have a durable subscription, look it up
            String clientID = connectionEndpoint.getClientID();
            if (clientID == null)
            {
               throw new JMSException("Cannot create durable subscriber without a valid client ID");
            }

            // See if there any bindings with the same client_id.subscription_name name

            String name = MessageQueueNameHelper.createSubscriptionName(clientID, subscriptionName);

            Binding binding = postOffice.getBindingForQueueName(name);

            if (binding == null)
            {
               // Does not already exist

               if (trace) { log.trace(this + " creating new durable subscription on " + jmsDestination); }

               queue = new MessagingQueue(nodeId, name, idm.getID(),
                                          ms, pm, true,
                                          mDest.getMaxSize(), selector,
                                          mDest.getFullSize(),
                                          mDest.getPageSize(),
                                          mDest.getDownCacheSize(),
                                          mDest.isClustered(),
                                          sp.getRecoverDeliveriesTimeout());

               // Durable subs must be bound on ALL nodes of the cluster (if clustered)

               postOffice.addBinding(new Binding(new JMSCondition(false, jmsDestination.getName()), queue, true),
                                     postOffice.isClustered() && mDest.isClustered());

               queue.activate();

               //We don't create message counters on temp topics
               if (!mDest.isTemporary())
               {
                 String counterName = TopicService.SUBSCRIPTION_MESSAGECOUNTER_PREFIX + queue.getName();

                 MessageCounter counter =
                    new MessageCounter(counterName, subscriptionName, queue, true, true,
                                       mDest.getMessageCounterHistoryDayLimit());

                 sp.getMessageCounterManager().registerMessageCounter(counterName, counter);
               }
            }
            else
            {
               //Durable sub already exists

              queue = binding.queue;

               if (trace) { log.trace(this + " subscription " + subscriptionName + " already exists"); }

              //Check if it is already has a subscriber
              //We can't have more than one subscriber at a time on the durable sub unless it is clustered
               //we need this for clustered since otherwise we wouldn't be able to fail over subcribers for the same durable
               //sub onto a node which already has one

               if (queue.getLocalDistributor().getNumberOfReceivers() > 0 && !mDest.isClustered())
               {
                 throw new IllegalStateException("Cannot create a subscriber on the durable subscription since it already has subscriber(s)");
               }

               // If the durable sub exists because it is clustered and was created on this node due to a bind on another node
               // then it will have no message counter

               String counterName = TopicService.SUBSCRIPTION_MESSAGECOUNTER_PREFIX + queue.getName();

               boolean createCounter = false;

               if (sp.getMessageCounterManager().getMessageCounter(counterName) == null)
               {
                 createCounter = true;
               }

               // From javax.jms.Session Javadoc (and also JMS 1.1 6.11.1):
               // A client can change an existing durable subscription by creating a durable
               // TopicSubscriber with the same name and a new topic and/or message selector.
               // Changing a durable subscriber is equivalent to unsubscribing (deleting) the old
               // one and creating a new one.

               String filterString = queue.getFilter() != null ? queue.getFilter().getFilterString() : null;

               boolean selectorChanged =
                  (selectorString == null && filterString != null) ||
                  (filterString == null && selectorString != null) ||
                  (filterString != null && selectorString != null &&
                           !filterString.equals(selectorString));

               if (trace) { log.trace("selector " + (selectorChanged ? "has" : "has NOT") + " changed"); }

               String oldTopicName = ((JMSCondition)binding.condition).getName();

               boolean topicChanged = !oldTopicName.equals(jmsDestination.getName());

               if (log.isTraceEnabled()) { log.trace("topic " + (topicChanged ? "has" : "has NOT") + " changed"); }

               if (selectorChanged || topicChanged)
               {
                  if (trace) { log.trace("topic or selector changed so deleting old subscription"); }

                  // Unbind the durable subscription

                  // Durable subs must be unbound on ALL nodes of the cluster

                  postOffice.removeBinding(queue.getName(), postOffice.isClustered() && mDest.isClustered());

                  // create a fresh new subscription

                  queue = new MessagingQueue(nodeId, name, idm.getID(), ms, pm, true,
                                        mDest.getMaxSize(), selector,
                                        mDest.getFullSize(),
                                        mDest.getPageSize(),
                                        mDest.getDownCacheSize(),
                                        mDest.isClustered(),
                                        sp.getRecoverDeliveriesTimeout());

                  // Durable subs must be bound on ALL nodes of the cluster

                  postOffice.addBinding(new Binding(new JMSCondition(false, jmsDestination.getName()), queue, true),
                                      postOffice.isClustered() && mDest.isClustered());

                  queue.activate();

                  if (!mDest.isTemporary())
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      {
         PostOffice po = serverPeer.getPostOfficeInstance();
               
         // We deploy any queues corresponding to pre-existing durable subscriptions
        
         JMSCondition condition = new JMSCondition(false, destination.getName());

         Collection queues = po.getQueuesForCondition(condition, true);
       
         Iterator iter = queues.iterator();
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