SignallingProductRegistry.h

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#ifndef FWCore_Framework_SignallingProductRegistry_h
#define FWCore_Framework_SignallingProductRegistry_h
// -*- C++ -*-
//
// Package:     Framework
// Class  :     SignallingProductRegistry
//
//
// Original Author:  Chris Jones
//         Created:  Fri Sep 23 16:47:10 CEST 2005
//

// system include files
#include <map>
#include <string>

#include "FWCore/Utilities/interface/Signal.h"

// user include files
#include "DataFormats/Provenance/interface/ProductRegistry.h"

// forward declarations
namespace edm {
  class SignallingProductRegistry : public ProductRegistry {
  public:
    SignallingProductRegistry() : ProductRegistry(), productAddedSignal_(), typeAddedStack_() {}
    explicit SignallingProductRegistry(ProductRegistry const& preg)
        : ProductRegistry(preg.productList(), false), productAddedSignal_(), typeAddedStack_() {}
    signalslot::Signal<void(BranchDescription const&)> productAddedSignal_;

    SignallingProductRegistry(SignallingProductRegistry const&) = delete;             // Disallow copying and moving
    SignallingProductRegistry& operator=(SignallingProductRegistry const&) = delete;  // Disallow copying and moving

  private:
    void addCalled(BranchDescription const&, bool) override;
    // ---------- member data --------------------------------
    std::map<std::string, unsigned int> typeAddedStack_;
  };
}  // namespace edm

#endif