SynchronizeObjectDelegater.hpp

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/*****************************************************************************
 * Copyright (C) 2011 by Benjamin Hadorn (b_hadorn@bluewin.ch)
 *****************************************************************************
 * Project    : Zeus Base Library
 * Module     : SynchronizeObjectDelegater
 * Package    : Zeus.ZeusBase.System.Platforms
 * Author     : Benjamin Hadorn
 * Date       : 27.12.2011
 * System     : Zeus-Framework
 *****************************************************************************
 * Licence:                                                                  *
 *   This library is free software; you can redistribute it and/or modify    *
 *   it under the terms of the GNU Lesser General Public License as          *
 *   published by the Free Software Foundation; either version               *
 *   2.1 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 Lesser General Public License for more details.                     *
 *                                                                           *
 *   You should have received a copy of the GNU Lesser General Public        *
 *   License along with this library; if not, write to the Free Software     *
 *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA    *
 *****************************************************************************/

/*****************************************************************************
 * Changes:
 *  27.12.2011 bha: created zeus 2.0
 *****************************************************************************/

#ifndef SynchronizeObjectDelegaterHPP
#define SynchronizeObjectDelegaterHPP

#include <zeusbase/System/SynchronizeObject.h>
#include <zeusbase/System/CriticalSection.h>

BEGIN_NAMESPACE_Zeus

/****************************************************************************/
/****************************************************************************/
template <class T> class TSynchronizeObjectDelegater : public TSynchronizeObject
{
  public:
    typedef void (FASTCALL_METHOD T::*ProcessMethod)();

    /************************************************************************/
    /************************************************************************/
    inline TSynchronizeObjectDelegater(T& rThis, ProcessMethod pMethod)
     : TSynchronizeObject()
    {
      m_pThis = &rThis;
      m_pMethod = pMethod;
    }

    /************************************************************************/
    /************************************************************************/
    inline TSynchronizeObjectDelegater(const T& rThis, const ProcessMethod pMethod)
     : TSynchronizeObject()
    {
      m_pThis = (T*)&rThis;
      m_pMethod = (ProcessMethod)pMethod;
    }

    /************************************************************************/
    /************************************************************************/
    inline void checkForError()
    {
      m_rLock.enter();
      if (this->hasError())
      {
        m_pThis = NULL;
      }
      m_rLock.leave();
    }

    /************************************************************************/
    /************************************************************************/
    inline virtual void MQUALIFIER process()
    {
      m_rLock.enter();
      if (m_pThis != NULL)
      {
        (*m_pThis.*(m_pMethod))();
      }
      m_rLock.leave();
    }
  protected:

  private:
    //This pointer of the delegation
    T* m_pThis;
    //Method pointer of the delegation
    ProcessMethod  m_pMethod;
};

END_NAMESPACE_Zeus

#endif