khanat-opennel-code/code/ryzom/server/src/persistant_data_service/database_adapter.h
2010-05-07 11:06:20 +02:00

137 lines
4.1 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef NL_DATABASE_ADAPTER_H
#define NL_DATABASE_ADAPTER_H
#include "nel/misc/types_nl.h"
#include "pds_database.h"
/**
* A Database adapter
* \author Benjamin Legros
* \author Nevrax France
* \date 2003
*/
class CDatabaseAdapter
{
public:
/// Constructor
CDatabaseAdapter();
/**
* Build the adapter using 2 database description
* \param from is the old database to adapt from
* \param into is the new database to adapt into
*/
bool build(CDatabase* from, CDatabase* into);
/**
* Build new database content
*/
bool buildContent();
private:
const CDatabase* From;
CDatabase* Into;
class CColumnAdapter
{
public:
CColumnAdapter() : From(NULL), Into(NULL) { }
const CColumn* From;
const CColumn* Into;
};
class CTableAdapter
{
public:
CTableAdapter() : From(NULL), Into(NULL) { }
const CTable* From;
CTable* Into;
std::vector<CColumnAdapter> Columns;
};
std::vector<CTableAdapter> Tables;
/// Fast remapping for tables, from old to new indices
std::vector<TTypeId> TableRemap;
/// Fast remapping for enums, from old enum value to new enum value
typedef std::vector<TEnumValue> TEnumRemap;
std::vector<TEnumRemap> EnumRemap;
/**
* Build adapter for 2 tables
*/
bool buildTableAdapter(const CTable* from, const CTable* into, CTableAdapter& adapter);
/**
* Build column content
*/
bool buildColumnContent(const CColumnAdapter& adapter, const uint8* from, uint8* into);
/**
* Build Enum Remapping
*/
bool buildEnumRemapping(const CType* fromType, const CType* intoType);
/// \name Type Adapt Methods
// @{
bool adaptBool(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptChar(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptUcchar(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptUint8(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptUint16(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptUint32(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptUint64(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptSint8(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptSint16(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptSint32(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptSint64(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptFloat(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptDouble(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptCSheetId(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptCEntityId(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptEnum(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptDimension(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptIndex(const CColumnAdapter& adapter, const uint8* from, uint8* into);
bool adaptList(const CColumnAdapter& adapter, const uint8* from, uint8* into);
// @}
};
#endif // NL_DATABASE_ADAPTER_H
/* End of database_adapter.h */