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// -*- C++ -*-
//
// Package:     Framework
// Class  :     ValidityInterval
// 
// Implementation:
//     <Notes on implementation>
//
// Author:      Chris Jones
// Created:     Tue Mar 29 14:47:31 EST 2005
//

// system include files

// user include files
#include "FWCore/Framework/interface/ValidityInterval.h"

namespace edm {
//
// constants, enums and typedefs
//

//
// static data member definitions
//

//
// constructors and destructor
//
   ValidityInterval::ValidityInterval() :
   first_(IOVSyncValue::invalidIOVSyncValue()),
   last_(IOVSyncValue::invalidIOVSyncValue())
{
}

ValidityInterval::ValidityInterval(const IOVSyncValue& iFirst,
                                   const IOVSyncValue& iLast) :
first_(iFirst), last_(iLast)
{
}

// ValidityInterval::ValidityInterval(const ValidityInterval& rhs)
// {
//    // do actual copying here;
// }

//ValidityInterval::~ValidityInterval()
//{
//}

//
// assignment operators
//
// const ValidityInterval& ValidityInterval::operator=(const ValidityInterval& rhs)
// {
//   //An exception safe implementation is
//   ValidityInterval temp(rhs);
//   swap(rhs);
//
//   return *this;
// }

//
// member functions
//

//
// const member functions
//
bool
ValidityInterval::validFor(const IOVSyncValue& iInstance) const
{
   return first_ <= iInstance && iInstance <= last_;
}
   
//
// static member functions
//
const ValidityInterval& 
ValidityInterval::invalidInterval()
{
   static const ValidityInterval s_invalid;
   return s_invalid;
}

}