/data/refman/pasoursint/CMSSW_5_3_3/src/FWCore/Framework/interface/UnscheduledHandler.h

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#ifndef FWCore_Framework_UnscheduledHandler_h
#define FWCore_Framework_UnscheduledHandler_h
// -*- C++ -*-
//
// Package:     Framework
// Class  :     UnscheduledHandler
//
//
// Original Author:  Chris Jones
//         Created:  Mon Feb 13 16:26:33 IST 2006
//

// system include files

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include <string>

// forward declarations
namespace edm {
   class CurrentProcessingContext;
   class UnscheduledHandlerSentry;

   class UnscheduledHandler {

   public:
      friend class UnscheduledHandlerSentry;
      UnscheduledHandler(): m_setup(0), m_context(0) {}
      virtual ~UnscheduledHandler();

      // ---------- const member functions ---------------------

      // ---------- static member functions --------------------

      // ---------- member functions ---------------------------
      bool tryToFill(std::string const& label,
                     EventPrincipal& iEvent);

      void setEventSetup(EventSetup const& iSetup) {
         m_setup = &iSetup;
      }
   private:
      CurrentProcessingContext const* setCurrentProcessingContext(CurrentProcessingContext const* iContext);
      //void popCurrentProcessingContext();

      UnscheduledHandler(UnscheduledHandler const&); // stop default

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

      virtual bool tryToFillImpl(std::string const&,
                                 EventPrincipal&,
                                 EventSetup const&,
                                 CurrentProcessingContext const*) = 0;
      // ---------- member data --------------------------------
      EventSetup const* m_setup;
      CurrentProcessingContext const* m_context;
};
   class UnscheduledHandlerSentry {
   public:
      UnscheduledHandlerSentry(UnscheduledHandler* iHandler,
                               CurrentProcessingContext const* iContext);
      ~UnscheduledHandlerSentry();
   private:
      UnscheduledHandler* m_handler;
      CurrentProcessingContext const* m_old;
   };
}

#endif