Package org.hornetq.core.paging

Examples of org.hornetq.core.paging.Page


    */
   private synchronized Page newPage(final int pageId,
                                     final SimpleString storeName,
                                     final ConcurrentMap<Integer, Page> map) throws Exception
   {
      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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         fileFactory = storeFactory.newFileFactory(getStoreName());
      }

      SequentialFile file = fileFactory.createSequentialFile(fileName, 1000);

      Page page = new PageImpl(storeName, storageManager, fileFactory, file, pageNumber);

      // To create the file
      file.open();

      file.position(0);
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         }
         else
         {
            numberOfPages--;

            final Page returnPage;

            // We are out of old pages, all that is left now is the current page.
            // On that case we need to replace it by a new empty page, and return the current page immediately
            if (currentPageId == firstPageId)
            {
               firstPageId = Integer.MAX_VALUE;

               if (currentPage == null)
               {
                  // sanity check... it shouldn't happen!
                  throw new IllegalStateException("CurrentPage is null");
               }

               returnPage = currentPage;
               returnPage.close();
               currentPage = null;

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

                  // 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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    */
   private void handlePageEvent(final ReplicationPageEventMessage packet) throws Exception
   {
      ConcurrentMap<Integer, Page> pages = getPageMap(packet.getStoreName());

      Page page = pages.remove(packet.getPageNumber());

      if (page == null)
      {
         page = getPage(packet.getStoreName(), packet.getPageNumber());
      }

      if (page != null)
      {
         if (packet.isDelete())
         {
            if (deletePages)
            {
               page.delete(null);
            }
         }
         else
         {
            page.close();
         }
      }

   }
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                            PagingTest.PAGE_MAX,
                            new HashMap<String, AddressSettings>());

      server.start();

      Page pg = server.getPagingManager().getPageStore(ADDRESS).getCurrentPage();

      pg.open();

      List<PagedMessage> msgs = pg.read(server.getStorageManager());

      pg.close();

      long queues[] = new long[] { server.locateQueue(new SimpleString("q1")).getID() };

      for (long q : queues)
      {
         for (int i = 0; i < msgs.size(); i++)
         {
            server.getStorageManager().storeCursorAcknowledge(q, new PagePositionImpl(pg.getPageId(), i));
         }
      }

      server.stop();
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      store.startPaging();

      Assert.assertTrue(store.page(msg, new RoutingContextImpl(null)));

      Page page = store.depage();

      page.open();

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

      page.close();

      Assert.assertEquals(1, msgs.size());

      UnitTestCase.assertEqualsByteArrays(msg.getBodyBuffer().writerIndex(), msg.getBodyBuffer().toByteBuffer().array(), msgs.get(0)
                                                                                          .getMessage()
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               // Wait every producer to produce at least one message
               latchStart.await();

               while (aliveProducers.get() > 0)
               {
                  Page page = storeImpl.depage();
                  if (page != null)
                  {
                     readPages.add(page);
                  }
               }
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               long msgsRead = 0;

               while (msgsRead < NUMBER_OF_MESSAGES)
               {
                  Page page = storeImpl.depage();
                  if (page != null)
                  {
                     page.open();
                     List<PagedMessage> messages = page.read();

                     for (PagedMessage pgmsg : messages)
                     {
                        ServerMessage msg = pgmsg.getMessage();

                        assertEquals(msgsRead++, msg.getMessageID());

                        assertEquals(msg.getMessageID(), msg.getLongProperty("count").longValue());
                     }

                     page.close();
                     page.delete();
                  }
                  else
                  {
                     System.out.println("Depaged!!!! numerOfMessages = " + msgsRead + " of " + NUMBER_OF_MESSAGES);
                     Thread.sleep(500);
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      int sequence = 0;

      for (int pageNr = 0; pageNr < 2; pageNr++)
      {
         Page page = storeImpl.depage();

         System.out.println("numberOfPages = " + storeImpl.getNumberOfPages());

         page.open();

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

         page.close();

         Assert.assertEquals(5, msg.size());

         for (int i = 0; i < 5; i++)
         {
            Assert.assertEquals(sequence++, msg.get(i).getMessage().getMessageID());
            UnitTestCase.assertEqualsBuffers(18, buffers.get(pageNr * 5 + i), msg.get(i).getMessage().getBodyBuffer());
         }
      }

      Assert.assertEquals(1, storeImpl.getNumberOfPages());

      Assert.assertTrue(storeImpl.isPaging());

      ServerMessage msg = createMessage(1, storeImpl, destination, buffers.get(0));

      Assert.assertTrue(storeImpl.page(msg, new RoutingContextImpl(null)));

      Page newPage = storeImpl.depage();

      newPage.open();

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

      newPage.delete();

      Assert.assertEquals(1, storeImpl.getNumberOfPages());

      Assert.assertTrue(storeImpl.isPaging());

      Assert.assertNull(storeImpl.depage());

      Assert.assertFalse(storeImpl.isPaging());

      Assert.assertFalse(storeImpl.page(msg, new RoutingContextImpl(null)));

      storeImpl.startPaging();

      Assert.assertTrue(storeImpl.page(msg, new RoutingContextImpl(null)));

      Page page = storeImpl.depage();

      page.open();

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

      Assert.assertEquals(1, msgs.size());

      Assert.assertEquals(1l, msgs.get(0).getMessage().getMessageID());

      UnitTestCase.assertEqualsBuffers(18, buffers.get(0), msgs.get(0).getMessage().getBodyBuffer());

      Assert.assertEquals(1, storeImpl.getNumberOfPages());

      Assert.assertTrue(storeImpl.isPaging());

      Assert.assertNull(storeImpl.depage());

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

      page.open();

   }
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               // Wait every producer to produce at least one message
               latchStart.await();

               while (aliveProducers.get() > 0)
               {
                  Page page = storeImpl.depage();
                  if (page != null)
                  {
                     readPages.add(page);
                  }
               }
            }
            catch (Exception e)
            {
               e.printStackTrace();
               this.e = e;
            }
         }
      }

      WriterThread producerThread[] = new WriterThread[numberOfThreads];

      for (int i = 0; i < numberOfThreads; i++)
      {
         producerThread[i] = new WriterThread();
         producerThread[i].start();
      }

      ReaderThread consumer = new ReaderThread();
      consumer.start();

      for (int i = 0; i < numberOfThreads; i++)
      {
         producerThread[i].join();
         if (producerThread[i].e != null)
         {
            throw producerThread[i].e;
         }
      }

      consumer.join();

      if (consumer.e != null)
      {
         throw consumer.e;
      }

      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)
         {
            long id = msg.getMessage().getBodyBuffer().readLong();
            msg.getMessage().getBodyBuffer().resetReaderIndex();

            ServerMessage msgWritten = buffers.remove(id);
            buffers2.put(id, msg.getMessage());
            Assert.assertNotNull(msgWritten);
            Assert.assertEquals(msg.getMessage().getAddress(), msgWritten.getAddress());
            UnitTestCase.assertEqualsBuffers(10, msgWritten.getBodyBuffer(), msg.getMessage().getBodyBuffer());
         }
      }

      Assert.assertEquals(0, buffers.size());

      List<String> files = factory.listFiles("page");

      Assert.assertTrue(files.size() != 0);

      for (String file : files)
      {
         SequentialFile fileTmp = factory.createSequentialFile(file, 1);
         fileTmp.open();
         Assert.assertTrue("The page file size (" + fileTmp.size() + ") shouldn't be > " + MAX_SIZE,
                           fileTmp.size() <= MAX_SIZE);
         fileTmp.close();
      }

      TestSupportPageStore storeImpl2 = new PagingStoreImpl(PagingStoreImplTest.destinationTestName,
                                                            null,
                                                            100,
                                                            createMockManager(),
                                                            createStorageManagerMock(),
                                                            createPostOfficeMock(),
                                                            factory,
                                                            storeFactory,
                                                            new SimpleString("test"),
                                                            settings,
                                                            getExecutorFactory(),
                                                            true);
      storeImpl2.start();

      int numberOfPages = storeImpl2.getNumberOfPages();
      Assert.assertTrue(numberOfPages != 0);

      storeImpl2.startPaging();

      storeImpl2.startPaging();

      Assert.assertEquals(numberOfPages, storeImpl2.getNumberOfPages());

      long lastMessageId = messageIdGenerator.incrementAndGet();
      ServerMessage lastMsg = createMessage(lastMessageId, storeImpl, destination, createRandomBuffer(lastMessageId, 5));

      storeImpl2.forceAnotherPage();

      storeImpl2.page(lastMsg, new RoutingContextImpl(null));
      buffers2.put(lastMessageId, lastMsg);

      Page lastPage = null;
      while (true)
      {
         Page page = storeImpl2.depage();
         if (page == null)
         {
            break;
         }

         lastPage = page;

         page.open();

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

         page.close();

         for (PagedMessage msg : msgs)
         {

            long id = msg.getMessage().getBodyBuffer().readLong();
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