Examples of net.sf.joafip.file.service.IRandomAccessFile

net.sf.joafip.file.service.IRandomAccessFile
interface for random access in file
cache is maintained in memory independently to file opened state or closed state. useful when closing and reopening the file to ensure the data are write, then data in cache reflecting file content is not loose
@author luc peuvrier

    } else {
      this.cachePageSize = 0;
    }
    this.file = fileAccessParameter.getFile();
    if (this.useCache) {
      final IRandomAccessFile randomAccessFileDirect = newRandomAccessFile(fileAccessParameter);
      try {
        randomAccessFile = new RandomAccessFileReadWriteCache(
            randomAccessFileDirect,
            fileAccessParameter.getPageSize(),
            fileAccessParameter.getMaxPage());

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  }


  private IRandomAccessFile newRandomAccessFile(
      final FileAccessParameter fileAccessParameter) throws HeapException {
    try {
      final IRandomAccessFile randomAccessFile;
      switch (fileAccessParameter.getFileAccessMode()) {
      case RANDOM_FILE_ACCESS:
        randomAccessFile = new RandomAccessFileDirect(file,
            fileAccessParameter.getMaxRetry(),
            fileAccessParameter.getRetryMsDelay());

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  public BlockDataManager(final int pageSize, final int maxPage,
      final int blockLength) throws HeapException {
    super();
    final File file = new File("runtime/data");
    final IRandomAccessFile drandomAccessFile = new RandomAccessFileDirectNio(
        file, 0, 0);
    try {
      randomAccessFile = new RandomAccessFileReadWriteCache(
          drandomAccessFile, pageSize, maxPage, true);
    } catch (FileIOException exception) {

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    dataAccessSession.close(EnumFilePersistenceCloseAction.SAVE);
    filePersistence.close();
  }


  private void assertDataAndBackupAreSame() throws FileIOException {
    final IRandomAccessFile randomAccessFile = new RandomAccessFileDirectNio(
        new File(dataFile), 1, 0);
    final SortedMap<Integer, Integer> diffMap = new TreeMap<Integer, Integer>();
    final boolean differs = randomAccessFile.differs(backupFile, diffMap);
    if (differs) {
      LOGGER.error("differs\n" + diffMap.toString());
    }
    assertFalse("file content must be same", differs);
  }

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Related Classes of net.sf.joafip.file.service.IRandomAccessFile

net.sf.joafip.kvstore.service.BlockDataManager

net.sf.joafip.kvstore.service.FileForStorable

net.sf.joafip.service.TestCrashSafe

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