Package org.hornetq.core.paging

Examples of org.hornetq.core.paging.Page.open()


      storeImpl.sync();

      Page page = storeImpl.depage();

      page.open();

      List<PagedMessage> msg = page.read();

      Assert.assertEquals(numMessages, msg.size());
      Assert.assertEquals(1, storeImpl.getNumberOfPages());
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      for (int pageNr = 0; pageNr < 2; pageNr++)
      {
         Page page = storeImpl.depage();

         page.open();

         List<PagedMessage> msg = page.read();

         page.close();
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      Assert.assertTrue(storeImpl.page(msg, true));

      Page newPage = storeImpl.depage();

      newPage.open();

      Assert.assertEquals(1, newPage.read().size());

      newPage.delete();
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      Assert.assertTrue(storeImpl.page(msg, true));

      Page page = storeImpl.depage();

      page.open();

      List<PagedMessage> msgs = page.read();

      Assert.assertEquals(1, msgs.size());
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      Assert.assertNull(storeImpl.depage());

      Assert.assertEquals(0, storeImpl.getNumberOfPages());

      page.open();

   }

   public void testConcurrentDepage() throws Exception
   {
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      final ConcurrentMap<Long, ServerMessage> buffers2 = new ConcurrentHashMap<Long, ServerMessage>();

      for (Page page : readPages)
      {
         page.open();
         List<PagedMessage> msgs = page.read();
         page.close();

         for (PagedMessage msg : msgs)
         {
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            int pageId = (int) pageStore.getFirstPage();
            for (int i = 0; i < pageStore.getNumberOfPages(); i++)
            {
               log.debug("Reading page " + pageId);
               Page page = pageStore.createPage(pageId);
               page.open();
               List<PagedMessage> messages = page.read(sm);
               page.close();

               int messageId = 0;
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            Page page = null;
            try
            {
               page = pagingStore.createPage((int)pageId);

               page.open();

               List<PagedMessage> pgdMessages = page.read();

               for (PagedMessage pdgMessage : pgdMessages)
               {
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      Page page = map.get(pageId);

      if (page == null)
      {
         page = pageManager.getPageStore(storeName).createPage(pageId);
         page.open();
         map.put(pageId, page);
      }

      return page;
   }
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               // The current page is empty... which means we reached the end of the pages
               if (returnPage.getNumberOfMessages() == 0)
               {
                  stopPaging();
                  returnPage.open();
                  returnPage.delete();

                  // This will trigger this address to exit the page mode,
                  // and this will make HornetQ start using the journal again
                  return null;
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