/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community. If not, see .
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see
* or contact Peter Baumann via .
*/
/*************************************************************
*
*
* PURPOSE:
* The interface used by the file storage modules.
*
*
* COMMENTS:
*
************************************************************/
#ifndef _IFILESTORAGE_H__
#define _IFILESTORAGE_H__
#include "raslib/error.hh"
class OId;
// The class is the interface for the file storage modules.
class IFileStorage
{
public:
// Update the content of a blob. The blob should exist already.
virtual void update(const char* data, r_Bytes size, int BlobId) throw (r_Error) = 0;
// Store the content of a new blob.
virtual void insert(const char* data, r_Bytes size, int BlobId) throw (r_Error) = 0;
// Retrive the content of a previously stored blob
virtual void retrieve(int BlobId, char** data, r_Bytes *size) throw (r_Error) = 0;
// Delete a previously stored blob.
virtual void remove(int BlobId) throw (r_Error) = 0;
//virtual ~IFileStorage() = 0;
}; // class IFileStorage
#endif // _IFILESTORAGE_H__