itkTimeStamp.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkTimeStamp.h,v $
  Language:  C++
  Date:      $Date: 2009-02-23 16:37:20 $
  Version:   $Revision: 1.21 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

  Portions of this code are covered under the VTK copyright.
  See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkTimeStamp_h
#define __itkTimeStamp_h

#include "itkMacro.h"

namespace itk
{

class ITKCommon_EXPORT TimeStamp 
{
public:
  typedef TimeStamp  Self;

  static Self* New();

  TimeStamp() 
    {m_ModifiedTime = 0;}

  void Delete() 
    {delete this;}

  static const char *GetNameOfClass() 
    {return "TimeStamp";}

  void Modified();

  unsigned long GetMTime() const
    {return m_ModifiedTime;};

  bool operator>(TimeStamp& ts) 
    {return (m_ModifiedTime > ts.m_ModifiedTime);}
  bool operator<(TimeStamp& ts) 
    {return (m_ModifiedTime < ts.m_ModifiedTime);}

  operator unsigned long() const
    {return m_ModifiedTime;}

private:
  unsigned long m_ModifiedTime;
};

  
} // end namespace itk
  
#endif