GlobalContext.h

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#ifndef FWCore_ServiceRegistry_GlobalContext_h
#define FWCore_ServiceRegistry_GlobalContext_h

//
// Original Author: W. David Dagenhart
//         Created: 7/10/2013

#include "DataFormats/Provenance/interface/LuminosityBlockID.h"
#include "DataFormats/Provenance/interface/Timestamp.h"
#include "FWCore/Utilities/interface/LuminosityBlockIndex.h"
#include "FWCore/Utilities/interface/RunIndex.h"

#include <iosfwd>

namespace edm {

  class ProcessContext;

  class GlobalContext {

  public:

    enum class Transition {
      kBeginJob,
      kBeginRun,
      kBeginLuminosityBlock,
      kEndLuminosityBlock,
      kEndRun,
      kEndJob,
      kWriteRun,
      kWriteLuminosityBlock
    };
    
    GlobalContext(Transition transition,
                  LuminosityBlockID const& luminosityBlockID,
                  RunIndex const& runIndex,
                  LuminosityBlockIndex const& luminosityBlockIndex, 
                  Timestamp const & timestamp,
                  ProcessContext const* processContext);

    Transition transition() const { return transition_; }
    bool isAtEndTransition() const { return transition() == Transition::kEndLuminosityBlock or
      transition() == Transition::kEndRun or
      transition() == Transition::kWriteRun or
      transition() == Transition::kWriteLuminosityBlock;}

    LuminosityBlockID const& luminosityBlockID() const { return luminosityBlockID_; }
    RunIndex const& runIndex() const { return runIndex_; }
    LuminosityBlockIndex const& luminosityBlockIndex() const { return luminosityBlockIndex_; }
    Timestamp const& timestamp() const { return timestamp_; }
    ProcessContext const* processContext() const { return processContext_; }

  private:
    Transition transition_;
    LuminosityBlockID luminosityBlockID_;
    RunIndex runIndex_;
    LuminosityBlockIndex luminosityBlockIndex_; 
    Timestamp timestamp_;
    ProcessContext const* processContext_;
  };

  void exceptionContext(std::ostream&, GlobalContext const&);
  std::ostream& operator<<(std::ostream&, GlobalContext const&);
}
#endif