A/AthLinks/ElementLinkBase.h

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// Dear emacs, this is -*- c++ -*-
/*
 Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 */
#ifndef ATHLINKS_ELEMENTLINKBASE_H
#define ATHLINKS_ELEMENTLINKBASE_H
 
// System include(s):
extern "C" {
#   include <stdint.h>
}

class ElementLinkBase {
private:
  static constexpr uint32_t INVALID = static_cast<uint32_t> (-1);
public:
   ElementLinkBase( uint32_t key = 0, uint32_t index = INVALID );
   virtual ~ElementLinkBase() {}

   uint32_t persKey() const;
   void setPersKey( uint32_t key );

   uint32_t persIndex() const;
   void setPersIndex( uint32_t index );

   virtual bool toTransient() = 0;

   bool isDefault() const;
 
protected:
   uint32_t m_persKey;
   uint32_t m_persIndex;

   bool m_isDirectIO;
 
}; // class ElementLinkBase
 
#endif // ATHLINKS_ELEMENTLINKBASE_H