ESOutlet.h

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#ifndef Framework_ESOutlet_h
#define Framework_ESOutlet_h
// -*- C++ -*-
//
// Package:     Framework
// Class  :     ESOutlet
//
//
// Original Author:  Chris Jones
//         Created:  Fri Sep 22 15:07:28 EDT 2006
//
 
// system include files
#include <string>
 
// user include files
#include "FWCore/Utilities/interface/OutletBase.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
 
// forward declarations
 
namespace edm {
  template <class T, class TRec>
  class ESOutlet : private OutletBase<T> {
    class Getter : public extensioncord::ECGetterBase<T> {
    public:
      Getter(const edm::EventSetup& iES, const std::string& iLabel = std::string()) : es_(&iES), label_(iLabel) {}
 
    private:
      const T* getImpl() const override {
        ESHandle<T> data;
        es_->template get<TRec>().get(label_, data);
        return &(*data);
      }
      const edm::EventSetup* es_;
      const std::string label_;
    };
 
  public:
    ESOutlet(const edm::EventSetup& iES, ExtensionCord<T>& iCord) : OutletBase<T>(iCord), getter_(iES) {
      this->setGetter(&getter_);
    }
 
    ESOutlet(const edm::EventSetup& iES, const std::string& iLabel, ExtensionCord<T>& iCord) : getter_(iES, iLabel) {
      this->setGetter(&getter_);
    }
 
    //virtual ~ESOutlet();
 
  private:
    ESOutlet(const ESOutlet&) = delete;  // stop default
 
    const ESOutlet& operator=(const ESOutlet&) = delete;  // stop default
 
    // ---------- member data --------------------------------
    Getter getter_;
  };
}  // namespace edm
 
#endif