* @throws SmbException
     */
    public int getFid () throws SmbException {
        if ( !isValid() ) {
            throw new SmbException("Descriptor is no longer valid");
        }
        return this.fid;
    }


    public byte[] getFileId () throws SmbException {
        if ( !isValid() ) {
            throw new SmbException("Descriptor is no longer valid");
        }
        return this.fileId;