lgrCommandFunctor.h

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/******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
******************************************************************************/


#pragma once

// No export declaration as these classes are inline and templates.
#include <vlutil/vlSmartPointers.h>

namespace MAKLogger
{

   class DtCommandFunctor
   {
   public:
      DtCommandFunctor() {};
      virtual ~DtCommandFunctor() {}
      virtual DtResponse operator()(const DtCommand& command) = 0;
   };

   class DtResponseFunctor
   {
   public:
      DtResponseFunctor() {};
      virtual ~DtResponseFunctor(){}
      virtual void operator()(DtResponse command) = 0;
   };


   typedef DtBoost::shared_ptr<DtCommandFunctor>  DtCommandFunctorSP;
   typedef DtBoost::shared_ptr<DtResponseFunctor> DtResponseFunctorSP;



   template <typename T>
   class DtLgrCommandHandlerFunctor : public DtCommandFunctor
   {
   public:
      typedef DtResponse (T::*ProcCmdFunction)(const DtCommand& command);

      DtLgrCommandHandlerFunctor(T* object,ProcCmdFunction function);

      virtual ~DtLgrCommandHandlerFunctor();

      virtual DtResponse operator()(const DtCommand& command);

   protected:
      T* myObject;
      ProcCmdFunction myFunction;
   };


   template <typename T>
   class DtCommandInterfaceFunctor : public DtResponseFunctor
   {
   public:
      typedef void (T::*ProcCmdFunction)(DtResponse command);

      DtCommandInterfaceFunctor(T* object,ProcCmdFunction function);


      virtual ~DtCommandInterfaceFunctor();

      virtual void operator()(DtResponse command);

   protected:
      T* myObject;
      ProcCmdFunction myFunction;
   };

   template <typename T>
      DtCommandFunctorSP createHandler(T* const object,
      typename DtLgrCommandHandlerFunctor<T>::ProcCmdFunction function);

   template <typename T>
      DtResponseFunctorSP createHandler(T* const object,
      typename DtCommandInterfaceFunctor<T>::ProcCmdFunction function);

#define lgrCommandFunctor_inl_
#include "lgrCommandFunctor.inl"
#undef lgrCommandFunctor_inl_

}