blobstream.hpp
上传用户:yhdzpy8989
上传日期:2007-06-13
资源大小:13604k
文件大小:4k
- /*
- * ===========================================================================
- * PRODUCTION $Log: blobstream.hpp,v $
- * PRODUCTION Revision 1000.0 2003/10/29 20:23:55 gouriano
- * PRODUCTION PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.4
- * PRODUCTION
- * ===========================================================================
- */
- #ifndef _BLOBSTREAM_HPP_
- #define _BLOBSTREAM_HPP_
- /* $Id: blobstream.hpp,v 1000.0 2003/10/29 20:23:55 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * File Name: $Id: blobstream.hpp,v 1000.0 2003/10/29 20:23:55 gouriano Exp $
- *
- * Author: Michael Kholodov
- *
- * File Description: stream implementation for reading and writing BLOBs
- *
- * $Log: blobstream.hpp,v $
- * Revision 1000.0 2003/10/29 20:23:55 gouriano
- * PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.4
- *
- * Revision 1.4 2002/08/26 15:35:56 kholodov
- * Added possibility to disable transaction log
- * while updating BLOBs
- *
- * Revision 1.3 2002/07/08 16:04:15 kholodov
- * Reformatted
- *
- * Revision 1.2 2002/05/13 19:08:44 kholodov
- * Modified: source code is included in NCBI namespace
- *
- * Revision 1.1 2002/01/30 14:51:22 kholodov
- * User DBAPI implementation, first commit
- *
- *
- *
- */
- #include "bytestreambuf.hpp"
- BEGIN_NCBI_SCOPE
- class CBlobIStream : public istream
- {
- public:
-
- CBlobIStream(CDB_Result* rs, streamsize bufsize = 0);
-
- virtual ~CBlobIStream();
- };
- //====================================================================
- class CBlobOStream : public ostream
- {
- public:
-
- CBlobOStream(CDB_Connection* connAux,
- I_ITDescriptor* desc,
- size_t datasize,
- streamsize bufsize,
- bool log_it);
-
- CBlobOStream(CDB_CursorCmd* curCmd,
- unsigned int item_num,
- size_t datasize,
- streamsize bufsize,
- bool log_it);
-
- virtual ~CBlobOStream();
-
- private:
- I_ITDescriptor* m_desc;
- CDB_Connection* m_conn;
- };
- //====================================================================
- END_NCBI_SCOPE
- #endif // _BLOBSTREAM_HPP_