AssnsBranchData.h

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#ifndef gallery_AssnsBranchData_h
#define gallery_AssnsBranchData_h
// vim: set sw=2 expandtab :

#include "canvas/Persistency/Common/EDProduct.h"
#include "canvas/Utilities/TypeID.h"
#include "gallery/BranchData.h"

#include <memory>
#include <string>

class TBranch;
class TClass;

namespace art {
  class PrincipalBase;
}

namespace gallery {

  class EventNavigator;

  class AssnsBranchData : public BranchData {

  public:
    virtual ~AssnsBranchData();

    AssnsBranchData(art::TypeID const& type,
                    TClass* iTClass,
                    TBranch* branch,
                    EventNavigator const* eventNavigator,
                    art::PrincipalBase const* finder,
                    std::string&& iBranchName,
                    art::TypeID const& infoType,
                    art::TypeID const& infoPartnerType);

  private:
    void updateFile(TBranch* iBranch) override;
    art::EDProduct const* getIt_() const override;
    art::EDProduct const* uniqueProduct_() const override;
    art::EDProduct const* uniqueProduct_(
      art::TypeID const& wanted_wrapper_type) const override;

    art::TypeID secondary_wrapper_type_{};
    mutable std::unique_ptr<art::EDProduct> secondaryProduct_{nullptr};
    mutable long long secondaryLastProduct_{-1};
  };

} // namespace gallery

#endif /* gallery_AssnsBranchData_h */

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