Bind.hh

//********************************************************************
//*** ResourcePool/SQL/Bind.hh
//*** Copyright (c) 2003-2009 by Markus Winand <mws@fatalmind.com>
//*** $Id: Bind.hh,v 1.21 2009-05-04 16:11:32 mws Exp $
//********************************************************************
/*
This file is part of ResourcePool.

ResourcePool 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.

ResourcePool 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 ResourcePool; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307  USA */

#ifndef RESOURCEPOOL_SQL_BIND_HH
#define RESOURCEPOOL_SQL_BIND_HH

#include "ResourcePool/SQL/BindInterface.hh"

#ifndef INCLUDED_GC_PTR_HH
#include "mm/gc_ptr.hh"
#endif

#include <vector>

namespace fatalmind {
namespace SQL {

template<class VBC, template <class> class CT>
class Bind: public BindInterface {
    public:
        typedef VBC _datat;
        typedef gc_ptr<VBC> _ptrt;
        typedef std::vector<_ptrt> _argst;
    protected:
        _argst _args;
    public:
        virtual ~Bind() {
        }

                virtual void bind(const unsigned int pos, const char& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
                virtual void bind(const unsigned int pos, const signed char& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
                virtual void bind(const unsigned int pos, const unsigned char& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }

                virtual void bind(const unsigned int pos, const short int& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
                virtual void bind(const unsigned int pos, const unsigned short int& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }

                virtual void bind(const unsigned int pos, const int& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
                virtual void bind(const unsigned int pos, const unsigned int& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }

                virtual void bind(const unsigned int pos, const long int& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
                virtual void bind(const unsigned int pos, const unsigned long int& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }

                virtual void bind(const unsigned int pos, const float& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
                virtual void bind(const unsigned int pos, const double& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
                virtual void bind(const unsigned int pos, const long double& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
                virtual void bind(const unsigned int pos, const std::string& val, bool isnull = false) {
                        bindTpl(pos, val, isnull);
                }
    
        virtual void clearParameters();

        virtual void bindoutputoperator(std::ostream& str) const;
        static void bindoutputoperator(std::ostream& str, const _argst&);

    private:
        template<typename T>
        inline
        void bindTpl(const unsigned int pos, const T& val, bool nul = false) {
                gc_ptr<VBC> ptr(new CT<T>(val, nul)); // gc_ptr must be available during complete bindPtr call (passed by ref)
                bindPtr(pos, ptr);
        }
        // the bindPtr function performs the real work
        // the bind() function above is inlined and just a wrapper
        // to this function, which is NOT a function tempalte
        // gc_ptr by ref, private and no threading at this point
        void bindPtr(const unsigned int pos, gc_ptr<VBC>& ptr);

};

} // namespace SQL
} // namespace fatalmind

#endif

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