#ifndef _det_ValidityStamp_h_
#define _det_ValidityStamp_h_

/**
  \file
  object to keep track of data validity interval

  \author Tom Paul
  \version $Id$
  \date 08 Jun 2006
*/

static const char CVSId_det_ValidityStamp[] = 
  "$Id$";

#include <utl/TimeRange.h>


namespace det {

  /**
    \class ValidityStamp

    \brief Object to keep track of whether data are valid, or have expired

    \author T. Paul
    \author D. Veberic
    \date Jun 2006
    \date Mar 2007 DV: inherit from TimeRange
    \version $Id$
  */

  class ValidityStamp : public utl::TimeRange {

  public:
    ValidityStamp() { }
    ValidityStamp(const utl::TimeStamp& start, const utl::TimeStamp& stop)
      : TimeRange(start, stop) { }

    /// True if detector time is between start and end validity times
    bool IsValid() const;

    /// Set the start and end validity times
    void SetValidityInterval(const utl::TimeStamp& start, const utl::TimeStamp& stop)
    { SetTimeRange(start, stop); }

  };

}


#endif

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