EventSignalsSentry.h

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#ifndef FWCore_Framework_EventSignalsSentry_h
#define FWCore_Framework_EventSignalsSentry_h
// -*- C++ -*-
//
// Package:     FWCore/Framework
// Class  :     EventSignalsSentry
//
//
// Original Author:  Chris Jones
//         Created:  Mon, 12 May 2014 19:18:21 GMT
//
 
// system include files
#include "FWCore/ServiceRegistry/interface/ActivityRegistry.h"
#include "FWCore/ServiceRegistry/interface/ModuleCallingContext.h"
 
// user include files
 
// forward declarations
namespace edm {
  class EventSignalsSentry {
  public:
    EventSignalsSentry(ActivityRegistry* iReg, ModuleCallingContext const* iContext)
        : m_reg(iReg), m_context(iContext) {
      iReg->preModuleEventSignal_(*(iContext->getStreamContext()), *iContext);
    }
 
    ~EventSignalsSentry() { m_reg->postModuleEventSignal_(*(m_context->getStreamContext()), *m_context); }
 
  private:
    // ---------- member data --------------------------------
    ActivityRegistry* m_reg;  // We do not use propagate_const because the registry itself is mutable.
    ModuleCallingContext const* m_context;
  };
}  // namespace edm
 
#endif