// $Revision: 1.4 $

    // Copyright (C) 1994-1995 Taligent, Inc. All rights reserved.

#ifndef TaligentSamples_STANDARDFUNCTORON
#define TaligentSamples_STANDARDFUNCTORON

#ifndef Taligent_COREPRIMITIVECLASSES
#include <Taligent/CorePrimitiveClasses.h>
#endif

//---- TStandardFunctorOn -----------------------------------------------------------

template <class AType>
class TStandardFunctorOn {
  public:
    TaligentTypeExtensionTemplateDeclarationsMacro_Abstract(TStandardFunctorOn,AType)
  public:
                                TStandardFunctorOn();
                                TStandardFunctorOn(const TStandardFunctorOn<AType>& source);
    virtual                     ~TStandardFunctorOn();
    
    TStandardFunctorOn<AType>&  operator=(const TStandardFunctorOn<AType>& source);
    virtual TStream&            operator>>=(TStream& toStream) const;
    virtual TStream&            operator<<=(TStream& fromStream);
    
    virtual void                operator()(AType& state) = 0;

  private:
    enum {kOriginalVersion};
};

TaligentTypeExtensionTemplateMacro_Abstract(TStandardFunctorOn,AType)

template<class AType>
TStandardFunctorOn<AType>::TStandardFunctorOn()
{
}

template<class AType>
TStandardFunctorOn<AType>::TStandardFunctorOn(const TStandardFunctorOn<AType>& source)
{
}

template<class AType>
TStandardFunctorOn<AType>::~TStandardFunctorOn()
{
}

template<class AType>
TStandardFunctorOn<AType>&
TStandardFunctorOn<AType>::operator=(const TStandardFunctorOn<AType>& source)
{
    return *this;
}

template<class AType>
TStream&
TStandardFunctorOn<AType>::operator>>=(TStream& toStream) const
{
    ::WriteVersion(toStream, kOriginalVersion);
    return toStream;
}

template<class AType>
TStream&
TStandardFunctorOn<AType>::operator<<=(TStream& fromStream)
{
    ::ReadVersion(fromStream, kOriginalVersion, kOriginalVersion);
    return fromStream;
}

#endif