SimWatcherMaker.h

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#ifndef Watcher_SimWatcherMaker_h
#define Watcher_SimWatcherMaker_h
// -*- C++ -*-
//
// Package:     Watcher
// Class  :     SimWatcherMaker
//
//
// Original Author:
//         Created:  Tue Nov 22 13:03:44 EST 2005
//

// system include files
#include <memory>

// user include files
#include "SimG4Core/Notification/interface/SimActivityRegistryEnroller.h"
#include "SimG4Core/Watcher/interface/SimWatcherMakerBase.h"

// forward declarations

template <class T>
class SimWatcherMaker : public SimWatcherMakerBase {
public:
  SimWatcherMaker() {}

  // ---------- const member functions ---------------------
  void make(const edm::ParameterSet &p,
            SimActivityRegistry &reg,
            std::shared_ptr<SimWatcher> &oWatcher,
            std::shared_ptr<SimProducer> &oProd) const override {
    auto returnValue = std::make_shared<T>(p);
    SimActivityRegistryEnroller::enroll(reg, returnValue.get());
    oWatcher = returnValue;

    // If this is also a SimProducer, set the value
    oProd = this->getSimProducer(returnValue.get(), returnValue);
  }

private:
  std::shared_ptr<SimProducer> getSimProducer(SimProducer *, std::shared_ptr<T> &iProd) const {
    return std::shared_ptr<SimProducer>(iProd);
  }
  std::shared_ptr<SimProducer> getSimProducer(void *, std::shared_ptr<T> &iProd) const {
    return std::shared_ptr<SimProducer>();
  }
};

#endif