art::prevent_recursion< T > Struct Template Reference

#include "Wrapper.h"

Static Public Member Functions
static std::unique_ptr< EDProduct >	create_empty_sampled_product (InputTag const &tag)
static void	insert_if_sampled_product (T &, std::string const &dataset, SubRunID const &, std::unique_ptr< EDProduct >)

Detailed Description

template<typename T>
struct art::prevent_recursion< T >

Definition at line 30 of file Wrapper.h.

Member Function Documentation

template<typename T >

static std::unique_ptr<EDProduct> art::prevent_recursion< T >::create_empty_sampled_product ( InputTag const &  tag )

inlinestatic

Definition at line 261 of file Wrapper.h.

Referenced by art::Wrapper< T >::do_createEmptySampledProduct().

    {
      auto emptySampledProduct = std::make_unique<Sampled<T>>(tag);
      return std::make_unique<Wrapper<Sampled<T>>>(
        std::move(emptySampledProduct));
    }

template<typename T >

static void art::prevent_recursion< T >::insert_if_sampled_product ( T &  , std::string const &  dataset, SubRunID const &  , std::unique_ptr< EDProduct >    )

inlinestatic

Definition at line 269 of file Wrapper.h.

References art::errors::LogicError.

Referenced by art::Wrapper< T >::do_insertIfSampledProduct().

    {
      throw Exception{errors::LogicError}
        << "An attempt was made to insert a product from dataset '" << dataset
        << "'\ninto a non-sampled product of type '"
        << cet::demangle_symbol(typeid(T).name()) << "'.\n"
        << "Please contact artists@fnal.gov for guidance.";
    }

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The documentation for this struct was generated from the following file:

• canvas/Persistency/Common/Wrapper.h