RecordDependencyRegister.h

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#ifndef FWCore_Framework_RecordDependencyRegister_h
#define FWCore_Framework_RecordDependencyRegister_h
// -*- C++ -*-
//
// Package:     FWCore/Framework
// Class  :     RecordDependencyRegister
//
//
// Original Author:  root
//         Created:  Thu, 26 Apr 2018 15:46:36 GMT
//

// system include files
#include <set>

// user include files
#include "FWCore/Framework/interface/EventSetupRecordKey.h"
#include "FWCore/Framework/interface/findDependentRecordsFor.h"

// forward declarations

namespace edm {
  namespace eventsetup {
    using DepFunction = std::set<EventSetupRecordKey> (*)();

    std::set<EventSetupRecordKey> dependencies(EventSetupRecordKey const&);

    void addDependencyFunction(EventSetupRecordKey iKey, DepFunction iFunction);

    template <typename T>
    struct RecordDependencyRegister {
      RecordDependencyRegister() {
        addDependencyFunction(EventSetupRecordKey::makeKey<T>(), &findDependentRecordsFor<T>);
      }
    };
  }  // namespace eventsetup
}  // namespace edm

#endif