WorkerRegistry.h

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#ifndef Framework_WorkerRegistry_h
#define Framework_WorkerRegistry_h

#include <memory>

#include <map>
#include <string>

#include "FWCore/Utilities/interface/propagate_const.h"

namespace edm {

  class Worker;
  class ActivityRegistry;
  struct WorkerParams;
  class ModuleRegistry;
  class ParameterSet;
  namespace maker {
    class ModuleHolder;
  }

  class WorkerRegistry {
  public:
    explicit WorkerRegistry(std::shared_ptr<ActivityRegistry> areg);
    WorkerRegistry(std::shared_ptr<ActivityRegistry> areg, std::shared_ptr<ModuleRegistry> iModReg);
    ~WorkerRegistry();

    WorkerRegistry(WorkerRegistry&&) = default;
    WorkerRegistry(WorkerRegistry const&) = delete;             // Disallow copying and moving
    WorkerRegistry& operator=(WorkerRegistry const&) = delete;  // Disallow copying and moving


    Worker* getWorker(WorkerParams const& p, std::string const& moduleLabel);

    Worker const* get(std::string const& moduleLabel) const;

    void deleteModule(std::string const& moduleLabel);

    void clear();

  private:
    typedef std::map<std::string, edm::propagate_const<std::shared_ptr<Worker>>> WorkerMap;

    edm::propagate_const<std::shared_ptr<ModuleRegistry>> modRegistry_;

    WorkerMap m_workerMap;
    std::shared_ptr<ActivityRegistry> actReg_;  // We do not use propagate_const because the registry itself is mutable.

  };  // WorkerRegistry

}  // namespace edm

#endif