db_connection_provider.h

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00001 /*
00002 **  ClanLib SDK
00003 **  Copyright (c) 1997-2011 The ClanLib Team
00004 **
00005 **  This software is provided 'as-is', without any express or implied
00006 **  warranty.  In no event will the authors be held liable for any damages
00007 **  arising from the use of this software.
00008 **
00009 **  Permission is granted to anyone to use this software for any purpose,
00010 **  including commercial applications, and to alter it and redistribute it
00011 **  freely, subject to the following restrictions:
00012 **
00013 **  1. The origin of this software must not be misrepresented; you must not
00014 **     claim that you wrote the original software. If you use this software
00015 **     in a product, an acknowledgment in the product documentation would be
00016 **     appreciated but is not required.
00017 **  2. Altered source versions must be plainly marked as such, and must not be
00018 **     misrepresented as being the original software.
00019 **  3. This notice may not be removed or altered from any source distribution.
00020 **
00021 **  Note: Some of the libraries ClanLib may link to may have additional
00022 **  requirements or restrictions.
00023 **
00024 **  File Author(s):
00025 **
00026 **    Magnus Norddahl
00027 */
00028 
00031 
00032 #pragma once
00033 
00034 #include "api_database.h"
00035 #include "db_command.h"
00036 #include "db_transaction.h"
00037 
00038 class CL_DBCommandProvider;
00039 class CL_DBTransactionProvider;
00040 class CL_DBReaderProvider;
00041 
00045 class CL_API_DATABASE CL_DBConnectionProvider
00046 {
00049 public:
00050         virtual ~CL_DBConnectionProvider() { return; }
00052 
00055 public:
00057 
00060 public:
00062         virtual CL_DBCommandProvider *create_command(const CL_StringRef &text, CL_DBCommand::Type type) = 0;
00063 
00065         virtual CL_DBTransactionProvider *begin_transaction(CL_DBTransaction::Type type) = 0;
00066 
00068         virtual CL_DBReaderProvider *execute_reader(CL_DBCommandProvider *command) = 0;
00069 
00071         virtual CL_String execute_scalar_string(CL_DBCommandProvider *command) = 0;
00072 
00074         virtual int execute_scalar_int(CL_DBCommandProvider *command) = 0;
00075 
00077         virtual void execute_non_query(CL_DBCommandProvider *command) = 0;
00079 
00082 private:
00084 };
00085