mitkVersionCounter.h

/*=========================================================================

  Program:   3DMed
  Date:      $Date: 2014-02-25 18:30:00 +0800 $
  Version:   $Version: 4.6.0 $
  Copyright: MIPG, Institute of Automation, Chinese Academy of Sciences

=========================================================================*/

#ifndef _mitkVersionCounter_h
#define _mitkVersionCounter_h

#include "mitkCommonIncludes.h"

class MITK_COMMON_API mitkVersionCounter
{
public:
    mitkVersionCounter();
    ~mitkVersionCounter();
    
    int GetVersion() const { return m_Version; }
    void Modified() { m_Version++; }

private:
    int m_Version;
};

#define MITK_VERSIONED_OBJECT(UpdateFunc)\
    public:\
    mitkVersionCounter __versionCounter;\
    inline void __Update() {UpdateFunc;}

#define MITK_MODIFIED __versionCounter.Modified

class MITK_COMMON_API mitkLocalVersion
{
public:
    mitkLocalVersion();
    ~mitkLocalVersion();

    int m_Version;

};

#define MITK_IS_MODIFIED(objectPtr, localVersion) ((objectPtr)->__Update(),((localVersion).m_Version!=(objectPtr)->__versionCounter.GetVersion()))
#define MITK_UPDATED(objectPtr, localVersion) ((localVersion).m_Version=(objectPtr)->__versionCounter.GetVersion())


#endif

---