Runnable.h++

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/* ---------------------------------------------------------------------------
   commonc++ - A C++ Common Class Library
   Copyright (C) 2005-2012  Mark A Lindner

   This file is part of commonc++.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   ---------------------------------------------------------------------------
*/

#ifndef __ccxx_Runnable_hxx
#define __ccxx_Runnable_hxx

#include <commonc++/Common.h++>

namespace ccxx {

class COMMONCPP_API Runnable
{

  public:

  virtual ~Runnable() { }

  virtual void run() = 0;

};

template<class T> class RunnableDelegate : public Runnable
{
  public:

  RunnableDelegate(T *object, void (T::* func)())
    : _object(object),
      _func(func)
  {
  }

  void run()
  {
    (_object->*_func)();
  }

  private:

  T* _object;
  void (T::*_func)();
};

template<class T, typename A> class RunnableClosure : public Runnable
{
  public:

  RunnableClosure(T *object, void (T::* func)(A), A argument)
    : _object(object),
      _func(func),
      _argument(argument)
  {
  }

  void run()
  {
    (_object->*_func)(_argument);
  }

  private:

  T* _object;
  void (T::*_func)(A);
  A _argument;
};

}; // namespace ccxx

#endif // __ccxx_Runnable_hxx

/* end of header file */