ESOutlet.h

Go to the documentation of this file.

#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:
      virtual const T* getImpl() const {
        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&);  // stop default

    const ESOutlet& operator=(const ESOutlet&);  // stop default

    // ---------- member data --------------------------------
    Getter getter_;
  };
}  // namespace edm

#endif