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/*
* The Mana World Server
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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 2 of the License, or any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef _TMWSERV_DALSTORAGE_H_
#define _TMWSERV_DALSTORAGE_H_
#include <vector>
#include "dal/dataproviderfactory.h"
#include "dalstoragesql.h"
#include "storage.h"
namespace tmwserv
{
/**
* A storage class that relies on DAL.
*
* Notes:
* - this class cannot be instanciated nor duplicated in order to force
* a user class to use the Storage singleton.
*/
class DALStorage: public Storage
{
// friend so that Storage can call the constructor.
friend class Storage;
public:
/**
* Connect to the database and initialize it if necessary.
*/
void
open(void);
/**
* Disconnect from the database.
*/
void
close(void);
/**
* Get an account by user name.
*
* @param userName the owner of the account.
*
* @return the account associated to the user name.
*/
Account*
getAccount(const std::string& userName);
/**
* Add a new account.
*
* @param account the new account.
*/
void
addAccount(const Account* account);
/**
* Delete an account.
*
* @param userName the owner of the account.
*/
void
delAccount(const std::string& userName);
/**
* Save changes to the database permanently.
*
* @exception tmwserv::dal::DbSqlQueryExecFailure.
*/
void
flush(void);
private:
/**
* Constructor.
*/
DALStorage(void);
/**
* Destructor.
*/
~DALStorage(void)
throw();
/**
* Copy constructor.
*/
DALStorage(const DALStorage& rhs);
/**
* Assignment operator.
*/
DALStorage&
operator=(const DALStorage& rhs);
/**
* Create the specified table.
*
* @param tblName the table name.
* @param sql the SQL query to execute.
*
* @exception tmwserv::dal::DbSqlQueryExecFailure.
*/
void
createTable(const std::string& tblName,
const std::string& sql);
/**
* Add an account to the database.
*
* @param account the account to add.
*
* @exeception tmwserv::dal::DbSqlQueryExecFailure.
*/
void
_addAccount(const Account* account);
/**
* Update an account from the database.
*
* @param account the account to update.
*
* @exception tmwserv::dal::DbSqlQueryExecFailure.
*/
void
_updAccount(const Account* account);
/**
* Delete an account and its associated data from the database.
*
* @param userName the owner of the account.
*
* @exeception tmwserv::dal::DbSqlQueryExecFailure.
*/
void
_delAccount(const std::string& userName);
private:
std::auto_ptr<dal::DataProvider> mDb; /**< the data provider */
};
} // namespace tmwserv
#endif // _TMWSERV_DALSTORAGE_H_
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