private void DoReadahead() { if (raPool != null && inFd != null && readahead) { curReadahead = raPool.ReadaheadStream("ifile", inFd, currentOffset, readaheadLength , dataLength, curReadahead); } }
/// <exception cref="System.Exception"/> public override object NextChunk() { if (manageOsCache && readaheadPool != null) { readaheadRequest = readaheadPool.ReadaheadStream(identifier, fd, GetCurrentOffset (), readaheadLength, GetEndOffset(), readaheadRequest); } return(base.NextChunk()); }
/// <exception cref="System.IO.IOException"/> public override long TransferTo(WritableByteChannel target, long position) { if (manageOsCache && readaheadPool != null) { readaheadRequest = readaheadPool.ReadaheadStream(identifier, fd, GetPosition() + position, readaheadLength, GetPosition() + GetCount(), readaheadRequest); } if (this.shuffleTransferToAllowed) { return(base.TransferTo(target, position)); } else { return(CustomShuffleTransfer(target, position)); } }