db_reader_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 
00036 class CL_DateTime;
00037 class CL_DataBuffer;
00038 
00042 class CL_API_DATABASE CL_DBReaderProvider
00043 {
00046 public:
00047         virtual ~CL_DBReaderProvider() { return; }
00049 
00052 public:
00054         virtual int get_column_count() const = 0;
00055         
00057         virtual CL_String get_column_name(int index) const = 0;
00058         
00060         virtual int get_name_index(const CL_StringRef &name) const = 0;
00061 
00063         virtual CL_String get_column_string(int index) const = 0;
00064         
00066         virtual bool get_column_bool(int index) const = 0;
00067         
00069         virtual int get_column_int(int index) const = 0;
00070         
00072         virtual double get_column_double(int index) const = 0;
00073         
00075         virtual CL_DateTime get_column_datetime(int index) const = 0;
00076         
00078         virtual CL_DataBuffer get_column_binary(int index) const = 0;
00080 
00083 public:
00086         virtual bool retrieve_row() = 0;
00087         
00089         virtual void close() = 0;
00091 
00094 private:
00096 };
00097