ICollectionSize.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
 
/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id: ICollectionSize.h,v 1.1 2005-05-05 00:15:02 calaf Exp $
#ifndef ATHENAKERNEL_ICOLLECTIONSIZE_H
#define ATHENAKERNEL_ICOLLECTIONSIZE_H
 
 
#include "GaudiKernel/StatusCode.h"
#include "GaudiKernel/INamedInterface.h"
 
 
static const InterfaceID IID_ICollectionSize("ICollectionSize", 1 , 0);
 
 
class ICollectionSize
{
public:
  virtual ~ICollectionSize () {};
 
 
  static const InterfaceID& interfaceID() { return IID_ICollectionSize; }
 
 
  virtual int size () = 0;
};
 
 
#endif // not ATHENAKERNEL_ICOLLECTIONSIZE_H