How to use

readPosition

method

in

org.apache.cassandra.db.RowIndexEntry$Serializer

private void seekToCurrentRangeStart()
{
  long indexPosition = sstable.getIndexScanPosition(currentRange.left);
  ifile.seek(indexPosition);
  try
  {
    while (!ifile.isEOF())
    {
      indexPosition = ifile.getFilePointer();
      DecoratedKey indexDecoratedKey = sstable.decorateKey(ByteBufferUtil.readWithShortLength(ifile));
      if (indexDecoratedKey.compareTo(currentRange.left) > 0 || currentRange.contains(indexDecoratedKey))
      {
        // Found, just read the dataPosition and seek into index and data files
        long dataPosition = RowIndexEntry.Serializer.readPosition(ifile, sstable.descriptor.version);
        ifile.seek(indexPosition);
        dfile.seek(dataPosition);
        break;
      }
      else
      {
        RowIndexEntry.Serializer.skip(ifile, sstable.descriptor.version);
      }
    }
  }
  catch (IOException e)
  {
    sstable.markSuspect();
    throw new CorruptSSTableException(e, sstable.getFilename());
  }
}

private void seekToCurrentRangeStart()
{
  long indexPosition = sstable.getIndexScanPosition(currentRange.left);
  ifile.seek(indexPosition);
  try
  {
    while (!ifile.isEOF())
    {
      indexPosition = ifile.getFilePointer();
      DecoratedKey indexDecoratedKey = sstable.decorateKey(ByteBufferUtil.readWithShortLength(ifile));
      if (indexDecoratedKey.compareTo(currentRange.left) > 0 || currentRange.contains(indexDecoratedKey))
      {
        // Found, just read the dataPosition and seek into index and data files
        long dataPosition = RowIndexEntry.Serializer.readPosition(ifile, sstable.descriptor.version);
        ifile.seek(indexPosition);
        dfile.seek(dataPosition);
        break;
      }
      else
      {
        RowIndexEntry.Serializer.skip(ifile, sstable.descriptor.version);
      }
    }
  }
  catch (IOException e)
  {
    sstable.markSuspect();
    throw new CorruptSSTableException(e, sstable.getFilename());
  }
}

private void seekToCurrentRangeStart()
{
  long indexPosition = sstable.getIndexScanPosition(currentRange.left);
  ifile.seek(indexPosition);
  try
  {
    while (!ifile.isEOF())
    {
      indexPosition = ifile.getFilePointer();
      DecoratedKey indexDecoratedKey = sstable.decorateKey(ByteBufferUtil.readWithShortLength(ifile));
      if (indexDecoratedKey.compareTo(currentRange.left) > 0 || currentRange.contains(indexDecoratedKey))
      {
        // Found, just read the dataPosition and seek into index and data files
        long dataPosition = RowIndexEntry.Serializer.readPosition(ifile, sstable.descriptor.version);
        ifile.seek(indexPosition);
        dfile.seek(dataPosition);
        break;
      }
      else
      {
        RowIndexEntry.Serializer.skip(ifile, sstable.descriptor.version);
      }
    }
  }
  catch (IOException e)
  {
    sstable.markSuspect();
    throw new CorruptSSTableException(e, sstable.getFilename());
  }
}

private void seekToCurrentRangeStart()
{
  long indexPosition = sstable.getIndexScanPosition(currentRange.left);
  ifile.seek(indexPosition);
  try
  {
    while (!ifile.isEOF())
    {
      indexPosition = ifile.getFilePointer();
      DecoratedKey indexDecoratedKey = sstable.decorateKey(ByteBufferUtil.readWithShortLength(ifile));
      if (indexDecoratedKey.compareTo(currentRange.left) > 0 || currentRange.contains(indexDecoratedKey))
      {
        // Found, just read the dataPosition and seek into index and data files
        long dataPosition = RowIndexEntry.Serializer.readPosition(ifile, sstable.descriptor.version);
        ifile.seek(indexPosition);
        dfile.seek(dataPosition);
        break;
      }
      else
      {
        RowIndexEntry.Serializer.skip(ifile, sstable.descriptor.version);
      }
    }
  }
  catch (IOException e)
  {
    sstable.markSuspect();
    throw new CorruptSSTableException(e, sstable.getFilename());
  }
}

public static void skip(DataInputPlus in, Version version) throws IOException
{
  readPosition(in, version);
  skipPromotedIndex(in, version);
}

public static void skip(DataInputPlus in, Version version) throws IOException
{
  readPosition(in, version);
  skipPromotedIndex(in, version);
}

public static void skip(DataInputPlus in, Version version) throws IOException
{
  readPosition(in, version);
  skipPromotedIndex(in, version);
}

public static void skip(DataInputPlus in, Version version) throws IOException
{
  readPosition(in, version);
  skipPromotedIndex(in, version);
}