genericdatum.h

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/*
 *  genericdatum.h
 *
 *  This file is part of NEST.
 *
 *  Copyright (C) 2004 The NEST Initiative
 *
 *  NEST 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.
 *
 *  NEST 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 NEST.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef GENERICDATUM_H
#define GENERICDATUM_H
/* 
    Datum template for generic C/C++ data types
*/
#include "datum.h"

/***********************************************************/
/* Concrete  Generic Data Objects                          */
/***********************************************************/

template<class D, SLIType *slt>
class GenericDatum: public TypedDatum<slt>
{
    
    virtual Datum * clone(void) const
    {
        return new GenericDatum<D,slt>(*this);
    }

protected:
    D d;
public:
    GenericDatum() 
      {
    TypedDatum<slt>::unset_executable();
      }
    virtual ~GenericDatum() {}
    
 GenericDatum(const D& d_s): d(d_s) {TypedDatum<slt>::unset_executable();}
    GenericDatum(const GenericDatum<D,slt>& gd): TypedDatum<slt>(gd), d(gd.d) {}
    
    const D& operator=(const D &d_s)
    {
        d = d_s;
        return d;
    }

    const D& get(void) const
    {
        return d;
    }

    D& get(void)
    {
        return d;
    }

    D& get_lval()
      {
    return d;
      }

    void print(std::ostream& o) const
    {
        o << d;
    }

    void pprint(std::ostream& o) const
    {
        o << d;
    }

    void info(std::ostream &out) const
    {
        out << "GenericDatum<D,slt>::info\n";
        out << "d = " << d << std::endl;
    }

    bool equals(const Datum *dat) const
    {
        const GenericDatum<D,slt>
            *ddc=dynamic_cast<GenericDatum<D,slt> * >(const_cast< Datum *>(dat));

//    std::cerr << "d = " << d << " ddc = " << ddc << " dat = " << dat << std::endl;
    
        if(ddc == NULL)
            return false;
    
        return d == ddc->d;
    }

};


/******************************************/

#endif