MethodFunctor.h

#ifndef UTIL_METHOD_FUNCTOR_H
#define UTIL_METHOD_FUNCTOR_H
 
/*
* Util Package - C++ Utilities for Scientific Computation
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/
 
#include "IFunctor.h"
 
namespace Util
{

   template <class Object, typename T=void>
   class MethodFunctor : public IFunctor<T>
   {
   public:
 
      typedef void (Object::*Method1Ptr)(const T&);

      MethodFunctor(Object& object, Method1Ptr methodPtr) 
       : objectPtr_(&object),
         methodPtr_(methodPtr)
      {}

      virtual ~MethodFunctor(){}

      virtual void operator () (const T& t)
      {  (objectPtr_->*methodPtr_)(t); }
 
   private:
 
      Object*     objectPtr_;
      Method1Ptr  methodPtr_;
 
   };

   template <class Object>
   class MethodFunctor<Object, void> : public IFunctor<void>
   {
   public:
 
      typedef void (Object::*Method0Ptr)();

      MethodFunctor(Object& object, Method0Ptr methodPtr) 
       : objectPtr_(&object),
         methodPtr_(methodPtr)
      {}

      virtual ~MethodFunctor(){}
 
      virtual void operator () ()
      {  (objectPtr_->*methodPtr_)(); }
 
   private:
 
      Object*    objectPtr_;
      Method0Ptr methodPtr_;
 
   };
 
}
#endif