Examples of org.hornetq.core.messagecounter.MessageCounter

org.hornetq.core.messagecounter.MessageCounter
This class stores message count informations for a given queue At intervals this class samples the queue for message count data Note that the underlying queue *does not* update statistics every time a message is added since that would reall slow things down, instead we *sample* the queues at regular intervals - this means we are less intrusive on the queue @author Ulf Schroeter @author Stephan Steinbacher @author Tim Fox @version $Revision: 1.8 $

                                                           postOffice,
                                                           storageManager,
                                                           addressSettingsRepository);
      if (messageCounterManager != null)
      {
         MessageCounter counter = new MessageCounter(queue.getName().toString(),
                                                     null,
                                                     queue,
                                                     false,
                                                     queue.isDurable(),
                                                     messageCounterManager.getMaxDayCount());

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   public synchronized void registerQueue(final HornetQQueue queue, final Queue serverQueue) throws Exception
   {
      QueueControl coreQueueControl = (QueueControl)managementService.getResource(ResourceNames.CORE_QUEUE + queue.getAddress());
      MessageCounterManager messageCounterManager = managementService.getMessageCounterManager();
      MessageCounter counter = new MessageCounter(queue.getName(),
                                                  null,
                                                  serverQueue,
                                                  false,
                                                  coreQueueControl.isDurable(),
                                                  messageCounterManager.getMaxDayCount());

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                                                           postOffice,
                                                           storageManager,
                                                           addressSettingsRepository);
      if (messageCounterManager != null)
      {
         MessageCounter counter = new MessageCounter(queue.getName().toString(),
                                                     null,
                                                     queue,
                                                     false,
                                                     queue.isDurable(),
                                                     messageCounterManager.getMaxDayCount());

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      {
         Iterator<MessageCounter> iter = messageCounters.values().iterator();


         while (iter.hasNext())
         {
            MessageCounter counter = iter.next();


            counter.resetCounter();
         }
      }
   }

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      {
         Iterator<MessageCounter> iter = messageCounters.values().iterator();


         while (iter.hasNext())
         {
            MessageCounter counter = iter.next();


            counter.resetHistory();
         }
      }
   }

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         {
            Iterator<MessageCounter> iter = messageCounters.values().iterator();


            while (iter.hasNext())
            {
               MessageCounter counter = iter.next();


               counter.onTimer();
            }
         }
      }

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                   + "<th>Last Update</th>"
                        + "</tr>\n";
      StringBuilder ret = new StringBuilder(ret0);
      for (int i = 0; i < counters.length; i++)
      {
         MessageCounter counter = counters[i];
         String type = counter.isDestinationTopic() ? "Topic" : "Queue";
         String subscription = counter.getDestinationSubscription();
         if (subscription == null)
         {
            subscription = "-";
         }
         String durableStr = "-"; // makes no sense for a queue
         if (counter.isDestinationTopic())
         {
            durableStr = Boolean.toString(counter.isDestinationDurable());
         }
         ret.append("<tr bgcolor=\"#" + (i % 2 == 0 ? "FFFFFF" : "F0F0F0") + "\">");


         ret.append("<td>" + type + "</td>");
         ret.append("<td>" + counter.getDestinationName() + "</td>");
         ret.append("<td>" + subscription + "</td>");
         ret.append("<td>" + durableStr + "</td>");
         ret.append("<td>" + counter.getCount() + "</td>");
         ret.append("<td>" + MessageCounterHelper.prettify(counter.getCountDelta()) + "</td>");
         ret.append("<td>" + MessageCounterHelper.prettify(counter.getMessageCount()) + "</td>");
         ret.append("<td>" + MessageCounterHelper.prettify(counter.getMessageCountDelta()) + "</td>");
         ret.append("<td>" + MessageCounterHelper.asDate(counter.getLastAddedMessageTime()) + "</td>");
         ret.append("<td>" + MessageCounterHelper.asDate(counter.getLastUpdate()) + "</td>");


         ret.append("</tr>\n");
      }


      ret.append("</table>\n");

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   public synchronized void registerQueue(final HornetQQueue queue) throws Exception
   {
      QueueControl coreQueueControl = (QueueControl)managementService.getResource(ResourceNames.CORE_QUEUE + queue.getAddress());
      MessageCounterManager messageCounterManager = managementService.getMessageCounterManager();
      MessageCounter counter = new MessageCounter(queue.getName(),
                                                  null,
                                                  coreQueueControl,
                                                  false,
                                                  coreQueueControl.isDurable(),
                                                  messageCounterManager.getMaxDayCount());

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      {
         Iterator<MessageCounter> iter = messageCounters.values().iterator();


         while (iter.hasNext())
         {
            MessageCounter counter = iter.next();


            counter.resetCounter();
         }
      }
   }

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      {
         Iterator<MessageCounter> iter = messageCounters.values().iterator();


         while (iter.hasNext())
         {
            MessageCounter counter = iter.next();


            counter.resetHistory();
         }
      }
   }

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