ObjectExtensions.h

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//==========================================================================
//  AIDA Detector description implementation 
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================
#ifndef DD4HEP_OBJECTEXTENSIONS_H
#define DD4HEP_OBJECTEXTENSIONS_H
 
// Framework include files
#include <DD4hep/ExtensionEntry.h>
 
// C/C++ include files
#include <map>
 
namespace dd4hep {
 
 
  class ObjectExtensions   {
  public:
    std::map<unsigned long long int, ExtensionEntry*>    extensions;   
 
  public:
    ObjectExtensions(const std::type_info& parent_type);
    ObjectExtensions(const ObjectExtensions& copy) = delete;
    virtual ~ObjectExtensions();
    ObjectExtensions& operator=(const ObjectExtensions& copy) = delete;
    void initialize();
    void move(ObjectExtensions& copy);
    void clear(bool destroy=true);
    void copyFrom(const std::map<unsigned long long int,ExtensionEntry*>& ext, void* arg);
    void* addExtension(unsigned long long int key, ExtensionEntry* entry);
    void* removeExtension(unsigned long long int key, bool destroy);
    void* extension(unsigned long long int key, bool alert) const;
    void* extension(unsigned long long int key) const;
  };
 
} /* End namespace dd4hep        */
#endif // DD4HEP_OBJECTEXTENSIONS_H