Examples of PagePosition

org.hornetq.core.paging.cursor.PagePosition
A PagePosition @author Clebert Suconic

Examples of org.hornetq.core.paging.cursor.PagePosition

         {
            boolean match = false;


            PagedReference message = null;


            PagePosition lastPosition = position;
            PagePosition tmpPosition = position;


            do
            {
               synchronized (redeliveries)
               {
                  PagePosition redelivery = redeliveries.poll();


                  if (redelivery != null)
                  {
                     // There's a redelivery pending, we will get it out of that pool instead
                     isredelivery = true;

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Examples of org.hornetq.core.paging.cursor.PagePosition

         //               In case of a TX Failure (a crash on the server) this will be recovered on the next cleanup once the
         //               server is restarted.
         // first will mark the page as complete
         if (isPersistent())
         {
            PagePosition completePage = new PagePositionImpl(infoPG.getPageId(), infoPG.getNumberOfMessages());
            infoPG.setCompleteInfo(completePage);
            store.storePageCompleteTransactional(tx.getID(), this.getId(), completePage);
            if (!persist)
            {
               persist = true;

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Examples of org.hornetq.core.paging.cursor.PagePosition

      return new CursorIterator();
   }


   private PagedReference internalGetNext(final PagePosition pos)
   {
      PagePosition retPos = pos.nextMessage();


      PageCache cache = cursorProvider.getPageCache(pos.getPageNr());


      if (cache != null && !cache.isLive() && retPos.getMessageNr() >= cache.getNumberOfMessages())
      {
         // The next message is beyond what's available at the current page, so we need to move to the next page
         cache = null;
      }


      // it will scan for the next available page
      while (cache == null && retPos.getPageNr() <= pageStore.getCurrentWritingPage())
      {
         retPos = moveNextPage(retPos);


         cache = cursorProvider.getPageCache(retPos.getPageNr());
      }


      if (cache == null)
      {
         return null;
      }
      else
      {
         PagedMessage serverMessage = cache.getMessage(retPos.getMessageNr());


         if (serverMessage != null)
         {
            return cursorProvider.newReference(retPos, serverMessage, this);
         }

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Examples of org.hornetq.core.paging.cursor.PagePosition

      }
   }


   private PagePosition moveNextPage(final PagePosition pos)
   {
      PagePosition retPos = pos;
      while (true)
      {
         retPos = retPos.nextPage();
         synchronized (consumedPages)
         {
            PageCursorInfo pageInfo = consumedPages.get(retPos.getPageNr());
            // any deleted or complete page will be ignored on the moveNextPage, we will just keep going
            if (pageInfo == null || (!pageInfo.isPendingDelete() && pageInfo.getCompleteInfo() == null))
            {
               return retPos;
            }

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Examples of org.hornetq.core.paging.cursor.PagePosition

                  {
                     isPersistent = true;
                     store.deleteCursorAcknowledgeTransactional(tx, info.getRecordID());
                  }
               }
               PagePosition completeInfo = cursor.getCompleteInfo();
               if (completeInfo != null && completeInfo.getRecordID() >= 0)
               {
                  store.deletePageComplete(completeInfo.getRecordID());
                  cursor.setCompleteInfo(null);
               }
            }
         }

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Examples of org.hornetq.core.paging.cursor.PagePosition

      {
         info = consumedPages.remove(Long.valueOf(deletedPage.getPageId()));
      }
      if (info != null)
      {
         PagePosition completeInfo = info.getCompleteInfo();
         if (completeInfo != null)
         {
            try
            {
               store.deletePageComplete(completeInfo.getRecordID());
            }
            catch (Exception e)
            {
               HornetQServerLogger.LOGGER.warn("Error while deleting page-complete-record", e);
            }

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Examples of org.hornetq.core.paging.cursor.PagePosition

                  message.initMessage(storageManager);
                  long[] queueIDs = message.getQueueIDs();
                  List<String> queueNames = new ArrayList<String>();
                  for (long queueID : queueIDs)
                  {
                     PagePosition posCheck = new PagePositionImpl(pageId, messageId);


                     boolean acked = false;


                     Set<PagePosition> positions = cursorRecords.get(queueID);
                     if (positions != null)

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Examples of org.hornetq.core.paging.cursor.PagePosition

                  long q[] = msg.getQueueIDs();
                  for (int i = 0; i < q.length; i++)
                  {
                     System.out.print(q[i]);


                     PagePosition posCheck = new PagePositionImpl(pgid, msgID);


                     boolean acked = false;


                     Set<PagePosition> positions = cursorACKs.getA().get(q[i]);
                     if (positions != null)

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Examples of org.hornetq.core.paging.cursor.PagePosition


      PageCache cache = cursorProvider.getPageCache(new PagePositionImpl(5, 0));


      queue.getPageSubscription().close();


      PagePosition startingPos = new PagePositionImpl(5, cache.getNumberOfMessages() / 2);
      cursor.bookmark(startingPos);
      PagedMessage msg = cache.getMessage(startingPos.getMessageNr() + 1);
      msg.initMessage(server.getStorageManager());
      int key = msg.getMessage().getIntProperty("key").intValue();


      msg = null;

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Examples of org.hornetq.core.paging.cursor.PagePosition

      PageCursorProvider cursorProvider = lookupCursorProvider();


      PageCache cache = cursorProvider.getPageCache(new PagePositionImpl(5, 0));


      PageSubscription cursor = cursorProvider.getSubscription(queue.getID());
      PagePosition startingPos = new PagePositionImpl(5, cache.getNumberOfMessages() / 2);
      cursor.bookmark(startingPos);


      // We can't proceed until the operation has finished
      server.getStorageManager().waitOnOperations();
      
      PagedMessage msg = cache.getMessage(startingPos.getMessageNr() + 1);
      msg.initMessage(server.getStorageManager());
      int initialKey = msg.getMessage().getIntProperty("key").intValue();
      int key = initialKey;


      msg = null;

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