GenerateIndexingPolicy.h

Go to the documentation of this file.

/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
/***************************************************************************
 type generator that associates a known container with an IndexingPolicy. 
 Used by ElementLink
 ----------------------------------------------------------------
 ATLAS Collaboration
 ***************************************************************************/
 
// $Id: GenerateIndexingPolicy.h,v 1.3 2007-03-03 17:56:15 schaffer Exp $
 
#ifndef ATHLINKS_TOOLS_GENERATEINDEXINGPOLICY_H
# define ATHLINKS_TOOLS_GENERATEINDEXINGPOLICY_H
 
#include "AthLinks/tools/ForwardIndexingPolicy.h"
#include "AthLinks/tools/DefaultIndexingPolicy.h"
#include "AthLinks/tools/IdentContIndexingPolicy.h"
#include "AthLinks/tools/IsSTLSequence.h"
 
 
namespace SG {
  template <class CONTAINER>
  struct GenerateIndexingPolicy {
    private:
 
    typedef IsSTLSequence<CONTAINER>   isSTLSequence_t;
 
    static const bool m_isSTLSequence = isSTLSequence_t::value;
 
  public:
    typedef typename std::conditional<m_isSTLSequence,ForwardIndexingPolicy<CONTAINER>,typename DefaultIndexingPolicy<CONTAINER>::type>::type type;    
  };
}
 
#endif // ATHLINKS_TOOLS_GENERATEINDEXINGPOLICIES_H