ObjectContainerBase.h

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* (c) Copyright 1998-2025 CERN for the benefit of the LHCb and ATLAS collaborations *
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* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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#pragma once
 
#include <GaudiKernel/DataObject.h>
#include <GaudiKernel/Kernel.h>
 
class ContainedObject;

class GAUDI_API ObjectContainerBase : public DataObject {
 
protected:
  ObjectContainerBase()                                   = default;
  ObjectContainerBase( ObjectContainerBase&& )            = default;
  ObjectContainerBase& operator=( ObjectContainerBase&& ) = default;
  ~ObjectContainerBase() override                         = default;
 
public:
  typedef size_t size_type;

  virtual long index( const ContainedObject* obj ) const = 0;

  virtual const ContainedObject* containedObject( long dist ) const = 0;
  virtual ContainedObject*       containedObject( long dist )       = 0;

  virtual size_type numberOfObjects() const = 0;

  virtual long add( ContainedObject* pObject ) = 0;

  virtual long remove( ContainedObject* value ) = 0;
};