Package org.hornetq.core.journal

Examples of org.hornetq.core.journal.SequentialFile

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      if (largeMessagesFactory != null)
      {
         List<String> tmpFiles = largeMessagesFactory.listFiles("tmp");
         for (String tmpFile : tmpFiles)
         {
            SequentialFile file = largeMessagesFactory.createSequentialFile(tmpFile, -1);
            file.delete();
         }
      }
   }
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      if (largeMessage.containsProperty(Message.HDR_ORIG_MESSAGE_ID))
      {
         // for compatibility: couple with old behaviour, copying the old file to avoid message loss
         long originalMessageID = largeMessage.getLongProperty(Message.HDR_ORIG_MESSAGE_ID);
        
         SequentialFile currentFile = createFileForLargeMessage(largeMessage.getMessageID(), true);
        
         if (!currentFile.exists())
         {
            SequentialFile linkedFile = createFileForLargeMessage(originalMessageID, true);
            if (linkedFile.exists())
            {
               linkedFile.copyTo(currentFile);
               linkedFile.close();
            }
         }
        
         currentFile.close();
      }
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      if (largeMessagesFactory != null)
      {
         List<String> tmpFiles = largeMessagesFactory.listFiles("tmp");
         for (String tmpFile : tmpFiles)
         {
            SequentialFile file = largeMessagesFactory.createSequentialFile(tmpFile, -1);
            file.delete();
         }
      }
   }
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   {
      ArrayList<JournalFile> dataFiles = new ArrayList<JournalFile>();

      for (int i = 0; i < 5; i++)
      {
         SequentialFile file = fileFactory.createSequentialFile("file-" + i + ".tst", 1);
         dataFiles.add(new JournalFileImpl(file, 0));
      }

      ArrayList<JournalFile> newFiles = new ArrayList<JournalFile>();

      for (int i = 0; i < 3; i++)
      {
         SequentialFile file = fileFactory.createSequentialFile("file-" + i + ".tst.new", 1);
         newFiles.add(new JournalFileImpl(file, 0));
      }

      ArrayList<Pair<String, String>> renames = new ArrayList<Pair<String, String>>();
      renames.add(new Pair<String, String>("a", "b"));
      renames.add(new Pair<String, String>("c", "d"));

      AbstractJournalUpdateTask.writeControlFile(fileFactory, dataFiles, newFiles, renames);

      ArrayList<String> strDataFiles = new ArrayList<String>();

      ArrayList<String> strNewFiles = new ArrayList<String>();

      ArrayList<Pair<String, String>> renamesRead = new ArrayList<Pair<String, String>>();

      Assert.assertNotNull(JournalCompactor.readControlFile(fileFactory, strDataFiles, strNewFiles, renamesRead));

      Assert.assertEquals(dataFiles.size(), strDataFiles.size());
      Assert.assertEquals(newFiles.size(), strNewFiles.size());
      Assert.assertEquals(renames.size(), renamesRead.size());

      Iterator<String> iterDataFiles = strDataFiles.iterator();
      for (JournalFile file : dataFiles)
      {
         Assert.assertEquals(file.getFile().getFileName(), iterDataFiles.next());
      }
      Assert.assertFalse(iterDataFiles.hasNext());

      Iterator<String> iterNewFiles = strNewFiles.iterator();
      for (JournalFile file : newFiles)
      {
         Assert.assertEquals(file.getFile().getFileName(), iterNewFiles.next());
      }
      Assert.assertFalse(iterNewFiles.hasNext());

      Iterator<Pair<String, String>> iterRename = renames.iterator();
      for (Pair<String, String> rename : renamesRead)
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      if (largeMessagesFactory != null)
      {
         List<String> tmpFiles = largeMessagesFactory.listFiles("tmp");
         for (String tmpFile : tmpFiles)
         {
            SequentialFile file = largeMessagesFactory.createSequentialFile(tmpFile, -1);
            file.delete();
         }
      }
   }
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   public static SequentialFile readControlFile(final SequentialFileFactory fileFactory,
                                                final List<String> dataFiles,
                                                final List<String> newFiles,
                                                final List<Pair<String, String>> renameFile) throws Exception
   {
      SequentialFile controlFile = fileFactory.createSequentialFile(AbstractJournalUpdateTask.FILE_COMPACT_CONTROL, 1);

      if (controlFile.exists())
      {
         JournalFile file = new JournalFileImpl(controlFile, 0, JournalImpl.FORMAT_VERSION);

         final ArrayList<RecordInfo> records = new ArrayList<RecordInfo>();
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      }
      else
      {
         if (tmpCompactExtension)
         {
            SequentialFile sequentialFile = nextFile.getFile();
            sequentialFile.renameTo(sequentialFile.getFileName() + ".cmp");
         }

         if (keepOpened)
         {
            openFile(nextFile, multiAIO);
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         JournalFilesRepository.trace("Creating file " + fileName);
      }

      String tmpFileName = fileName + ".tmp";

      SequentialFile sequentialFile = fileFactory.createSequentialFile(tmpFileName, maxAIO);

      sequentialFile.open(1, false);

      if (init)
      {
         sequentialFile.fill(0, fileSize, JournalImpl.FILL_CHARACTER);

         JournalImpl.initFileHeader(fileFactory, sequentialFile, userVersion, fileID);
      }

      long position = sequentialFile.position();

      sequentialFile.close();

      if (JournalFilesRepository.trace)
      {
         JournalFilesRepository.trace("Renaming file " + tmpFileName + " as " + fileName);
      }

      sequentialFile.renameTo(fileName);

      if (keepOpened)
      {
         if (multiAIO)
         {
            sequentialFile.open();
         }
         else
         {
            sequentialFile.open(1, false);
         }
         sequentialFile.position(position);
      }

      return new JournalFileImpl(sequentialFile, fileID, JournalImpl.FORMAT_VERSION);
   }
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   // Discard the old JournalFile and set it with a new ID
   private JournalFile reinitializeFile(final JournalFile file) throws Exception
   {
      long newFileID = generateFileID();

      SequentialFile sf = file.getFile();

      sf.open(1, false);

      int position = JournalImpl.initFileHeader(fileFactory, sf, userVersion, newFileID);

      JournalFile jf = new JournalFileImpl(sf, newFileID, JournalImpl.FORMAT_VERSION);

      sf.position(position);

      sf.close();

      return jf;
   }
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                                                 final List<JournalFile> files,
                                                 final List<JournalFile> newFiles,
                                                 final List<Pair<String, String>> renames) throws Exception
   {

      SequentialFile controlFile = fileFactory.createSequentialFile(AbstractJournalUpdateTask.FILE_COMPACT_CONTROL, 1);

      try
      {
         controlFile.open(1, false);

         JournalImpl.initFileHeader(fileFactory, controlFile, 0, 0);

         HornetQBuffer filesToRename = HornetQBuffers.dynamicBuffer(1);

         // DataFiles first

         if (files == null)
         {
            filesToRename.writeInt(0);
         }
         else
         {
            filesToRename.writeInt(files.size());

            for (JournalFile file : files)
            {
               filesToRename.writeUTF(file.getFile().getFileName());
            }
         }

         // New Files second

         if (newFiles == null)
         {
            filesToRename.writeInt(0);
         }
         else
         {
            filesToRename.writeInt(newFiles.size());

            for (JournalFile file : newFiles)
            {
               filesToRename.writeUTF(file.getFile().getFileName());
            }
         }

         // Renames from clean up third
         if (renames == null)
         {
            filesToRename.writeInt(0);
         }
         else
         {
            filesToRename.writeInt(renames.size());
            for (Pair<String, String> rename : renames)
            {
               filesToRename.writeUTF(rename.getA());
               filesToRename.writeUTF(rename.getB());
            }
         }

         JournalInternalRecord controlRecord = new JournalAddRecord(true,
                                                                    1,
                                                                    (byte)0,
                                                                    new ByteArrayEncoding(filesToRename.toByteBuffer()
                                                                                                       .array()));

         HornetQBuffer renameBuffer = HornetQBuffers.dynamicBuffer(filesToRename.writerIndex());

         controlRecord.setFileID(0);

         controlRecord.encode(renameBuffer);

         ByteBuffer writeBuffer = fileFactory.newBuffer(renameBuffer.writerIndex());

         writeBuffer.put(renameBuffer.toByteBuffer().array(), 0, renameBuffer.writerIndex());

         writeBuffer.rewind();

         controlFile.writeDirect(writeBuffer, true);

         return controlFile;
      }
      finally
      {
         controlFile.close();
      }
   }
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Related Classes of org.hornetq.core.journal.SequentialFile

  • org.hornetq.core.journal.impl.AbstractJournalUpdateTask
  • org.hornetq.core.journal.impl.JournalCompactor
  • org.hornetq.core.journal.impl.JournalFilesRepository
  • org.hornetq.core.journal.impl.JournalImpl
  • org.hornetq.core.journal.impl.SyncSpeedTest
  • org.hornetq.core.paging.impl.PagingStoreImpl
  • org.hornetq.core.persistence.impl.journal.JournalStorageManager
  • org.hornetq.core.persistence.impl.journal.LargeServerMessageImpl
  • org.hornetq.core.persistence.impl.journal.LargeServerMessageInSync
  • org.hornetq.core.replication.ReplicationEndpoint
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