ResultsAuxiliary.h

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#ifndef canvas_Persistency_Provenance_ResultsAuxiliary_h
#define canvas_Persistency_Provenance_ResultsAuxiliary_h
// ResultsAuxiliary
//
// Auxiliary information stored about results.
//

#include <iosfwd>
#include <set>

#include "canvas/Persistency/Provenance/BranchType.h"
#include "canvas/Persistency/Provenance/ProcessHistoryID.h"
#include "canvas/Persistency/Provenance/RunID.h"
#include "canvas/Persistency/Provenance/Timestamp.h"

// Auxiliary run data that is persistent

namespace art {
  class ResultsAuxiliary;
}

class art::ResultsAuxiliary {
public:
  static constexpr BranchType branch_type = InResults;

  ResultsAuxiliary() : processHistoryID_(), allEventsProcessHistories_() {}

  void write(std::ostream& os) const;

  ProcessHistoryID&
  processHistoryID() const
  {
    return processHistoryID_;
  }

  void
  setProcessHistoryID(ProcessHistoryID const& phid) const
  {
    processHistoryID_ = phid;
  }

  bool mergeAuxiliary(ResultsAuxiliary const& aux);

  // most recent process that put a RunProduct into this run
  // is the last on the list, this defines what "latest" is
  mutable ProcessHistoryID processHistoryID_;

  // allEventsProcessHistories_ contains all the ProcessHistoryIDs for all
  // events in this run seen so far.
  std::set<ProcessHistoryID> allEventsProcessHistories_;
};

inline std::ostream&
operator<<(std::ostream& os, const art::ResultsAuxiliary& p)
{
  p.write(os);
  return os;
}

#endif /* canvas_Persistency_Provenance_ResultsAuxiliary_h */

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