RPWorker.h

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#ifndef art_Framework_Principal_RPWorker_h
#define art_Framework_Principal_RPWorker_h
// RPWorker
//
// "Worker"-style wrapper base class for ResultsProducers.
//
// Allows for access to particular parameters and module descriptions
// without their having to be passed via the ResultsProducer
// constructor.

#include "art/Framework/Principal/RPParams.h"
#include "canvas/Persistency/Provenance/ModuleDescription.h"

namespace art {
  class RPWorker;

  class ResultsProducer; // Forward declaration.
}

class art::RPWorker {
public:
  RPWorker(RPParams const& p);
  virtual ~RPWorker() = default;

  ResultsProducer& rp();
  ResultsProducer const& rp() const;

  RPParams const& params() const;
  ModuleDescription const& moduleDescription() const;

  void setModuleDescription(ModuleDescription const&);
  void setModuleDescription(ModuleDescription&&);

private:
  virtual ResultsProducer& rp_() = 0;
  virtual ResultsProducer const& rp_() const = 0;

  RPParams p_;
  ModuleDescription md_;
};

inline art::RPWorker::RPWorker(RPParams const& p) : p_(p), md_() {}

inline art::ResultsProducer&
art::RPWorker::rp()
{
  return rp_();
}

inline art::ResultsProducer const&
art::RPWorker::rp() const
{
  return rp_();
}

inline art::RPParams const&
art::RPWorker::params() const
{
  return p_;
}

inline art::ModuleDescription const&
art::RPWorker::moduleDescription() const
{
  return md_;
}

inline void
art::RPWorker::setModuleDescription(art::ModuleDescription const& md)
{
  md_ = md;
}

inline void
art::RPWorker::setModuleDescription(art::ModuleDescription&& md)
{
  md_ = std::move(md);
}

#endif /* art_Framework_Principal_RPWorker_h */

// Local Variables:
// mode: c++
// End: