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/*
* Copyright (C) 2009-2012 Geometer Plus <contact@geometerplus.com>
*
* This program 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
* (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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef __DBCOMMAND_H__
#define __DBCOMMAND_H__
#include "DBCommandParameter.h"
#include "DBDataReader.h"
#include "DBConnection.h"
class DBCommand {
public:
DBCommand(const std::string &command, DBConnection &connection);
virtual ~DBCommand();
std::vector<DBCommandParameter> ¶meters();
const std::vector<DBCommandParameter> ¶meters() const;
DBCommandParameter ¶meter(const std::string &name);
const DBCommandParameter ¶meters(const std::string &name) const;
const std::string &commandString() const;
protected:
const DBConnection &connection() const;
public: // to implement:
virtual bool execute() = 0;
virtual shared_ptr<DBValue> executeScalar() = 0;
virtual shared_ptr<DBDataReader> executeReader() = 0;
private: // against copying:
DBCommand(const DBCommand &);
const DBCommand &operator = (const DBCommand &);
private:
std::vector<DBCommandParameter> myParameters;
const std::string myCommandString;
const DBConnection &myConnection;
};
inline std::vector<DBCommandParameter> &DBCommand::parameters() { return myParameters; }
inline const std::vector<DBCommandParameter> &DBCommand::parameters() const { return myParameters; }
inline const std::string &DBCommand::commandString() const { return myCommandString; }
inline const DBConnection &DBCommand::connection() const { return myConnection; }
#endif /* __DBCOMMAND_H__ */
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