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VxGrBxNgb.h

/*
 *
 *  Copyright (c) 2001, TNO TPD, The Netherlands.
 *  All rights reserved. No part of this software may be handed to or used by persons 
 *  or organisation outside Kenniscentrum Watergraafsmeer (UvA-ISIS, TNO TPD) without 
 *  the written permission of TNO TPD.
 *
 *  Author(s):
 *      Jan Baan (baan@tpd.tno.nl)
 *      Jeroen Vendrig
 *
 *
 * JV, 25Jun01: removed const from constructor, added =operator (CHECK!) to make push_back in VxPattern possible
 */

#ifndef VxGrBxNgb_h
#define VxGrBxNgb_h

#include "VxFrmFtorNgb.h"
#include "HxString.h"
#include "VxSegmentList.h"
#include "VxValue.h"
#include "VxGrBxBase.h"
#include "VxFrmProcRep.h"

class VxGrBxNgb : public VxGrBxBase {
public:
                            VxGrBxNgb(const VxFrmFtorNgb* ftor, 
                                VxGrBxBase* inputBox, 
                                HxString name,
                                VxSegmentList procList = VxSegmentList(), int sizeBuf=1);
                    
                            VxGrBxNgb(const VxGrBxNgb& rhs);

                            ~VxGrBxNgb();

    virtual VxValue         getOutput(int framenr);
    
    virtual HxString        outputClassName();

    virtual VxGrBxBase*     clone();

    virtual ostream&        put(ostream& os);

    VxGrBxNgb&              operator=(const VxGrBxNgb& rhs); // inline

    
private:
    struct VxGrBxNgbRep{
        VxFrmFtorNgb            *ftor;
        VxGrBxBase              *inputBox;
            
        int                     refCount;
        VxGrBxNgbRep()          { refCount = 1;}        
    };

    VxGrBxNgbRep*       _data;
};

inline VxGrBxNgb& 
VxGrBxNgb::operator=(const VxGrBxNgb& rhs)
{
    if (--_data->refCount<= 0 && _data != rhs._data)
    {
        std::cout << "Deleted graphbox" << std::endl;
        delete _data;
    }
    (_data=rhs._data)->refCount++; 
    return *this;
}

#endif

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