FWCore/Framework/interface/ComponentConstructionSentry.h - master - githubmirror/cmssw

FWCore/Framework/interface/ComponentConstructionSentry.h

40 строк1 KB

Chris Jones

Constructing an ES module no longer depends on EventSetupProvider

08 июл 2026, 17:47

08 июл 2026, 17:47a062af5

#ifndef FWCore_Framework_ComponentConstructionSentry_h
#define FWCore_Framework_ComponentConstructionSentry_h
//
// Package:     Framework
// Class  :     ComponentConstructionSentry
//
/**\class edm::eventsetup::ComponentConstructionSentry

 Description: Used to send ActivityRegistry signals before and after the construction of an EventSetup component (ESSource or ESProducer)

 Usage:
    <usage>

*/
//
// Author:      Chris Jones
// Created:     Wed May 25 16:56:05 EDT 2005
//

namespace edm {
  namespace eventsetup {
    class ComponentInterfaceHolder;
    struct ComponentDescription;

    struct ComponentConstructionSentry {
      ComponentConstructionSentry(ComponentInterfaceHolder const& iInterfaceHolder,
                                  ComponentDescription const& iDescription);
      ~ComponentConstructionSentry() noexcept(false);

      //call if the construction call succeeded without throwing an exception.
      void succeeded() { succeeded_ = true; }

    private:
      ComponentInterfaceHolder const& interfaceHolder_;
      ComponentDescription const& description_;
      bool succeeded_ = false;
    };
  }  // namespace eventsetup
}  // namespace edm
#endif