art::detail::BcollHelper< ProdB > Class Template Reference

#include "IPRHelper.h"

Public Member Functions
	BcollHelper (InputTag const &assnsTag)
template<typename Bcoll >
void	init (size_t size, Bcoll &bColl)
template<typename Bcoll >
std::enable_if_t< std::is_same< typename Bcoll::value_type, ProdB const * >::value >	fill (size_t index, Ptr< ProdB > const &item, Bcoll &bColl)
template<typename Bcoll >
std::enable_if_t< std::is_convertible< typename Bcoll::value_type, Ptr< ProdB > >::value >	fill (size_t index, Ptr< ProdB > const &item, Bcoll &bColl)
template<typename Bcoll >
void	init (size_t size, std::vector< Bcoll > &bColls) const
template<typename Bcoll >
std::enable_if_t< std::is_same< typename Bcoll::value_type, ProdB const * >::value >	fill (size_t index, Ptr< ProdB > const &item, std::vector< Bcoll > &bColls) const
template<typename Bcoll >
std::enable_if_t< std::is_convertible< typename Bcoll::value_type, Ptr< ProdB > >::value >	fill (size_t index, Ptr< ProdB > const &item, std::vector< Bcoll > &bColls) const
template<typename Bcoll >
std::enable_if_t< std::is_convertible< typename Bcoll::value_type, art::Ptr< ProdB > >::value >	fill (size_t index, Ptr< ProdB > const &item, Bcoll &bColl)
template<typename Bcoll >
std::enable_if_t< std::is_convertible< typename Bcoll::value_type, art::Ptr< ProdB > >::value >	fill (size_t index, Ptr< ProdB > const &item, std::vector< Bcoll > &bColls) const

Private Attributes
InputTag const	assnsTag_
std::vector< uint8_t >	seen_

Detailed Description

template<typename ProdB>
class art::detail::BcollHelper< ProdB >

Definition at line 76 of file IPRHelper.h.

Constructor & Destructor Documentation

template<typename ProdB >

art::detail::BcollHelper< ProdB >::BcollHelper ( InputTag const &  assnsTag )

inline

Definition at line 308 of file IPRHelper.h.

  : assnsTag_(assnsTag), seen_()
{}

Member Function Documentation

template<typename ProdB >

template<typename Bcoll >

std::enable_if_t< std::is_same< typename Bcoll::value_type, ProdB const * >::value > art::detail::BcollHelper< ProdB >::fill ( size_t  index, Ptr< ProdB > const &  item, Bcoll &  bColl  )

inline

Definition at line 327 of file IPRHelper.h.

References art::detail::BcollHelper< ProdB >::assnsTag_, art::Ptr< T >::get(), art::errors::LogicError, art::detail::BcollHelper< ProdB >::seen_, and fhicl::detail::atom::value().

Referenced by art::detail::IPRHelper< ProdA, ProdB, Data, DATACOLL, EVENT >::operator()().

{
  // This works if BColl is a collection of pointers or Ptrs.
  if (seen_[index] == uint8_t(1u)) {
    throw Exception(errors::LogicError)
      << "Attempted to create a FindOne object for a one-many or many-many"
      << " association specified in collection " << assnsTag_ << ".\n";
  } else if (item) {
    bColl[index] = item.get();
    seen_[index] = uint8_t(1u);
  } else {
    throw Exception(errors::LogicError)
      << "Attempted to create a FindOne object where an associated item is "
      << "\nunavailable.\n";
  }
}

template<typename ProdB>

template<typename Bcoll >

std::enable_if_t< std::is_convertible<typename Bcoll::value_type, Ptr<ProdB> >::value> art::detail::BcollHelper< ProdB >::fill	(	size_t	index,
		Ptr< ProdB > const &	item,
		Bcoll &	bColl
	)

template<typename ProdB >

template<typename Bcoll >

std::enable_if_t< std::is_same< typename Bcoll::value_type, ProdB const * >::value > art::detail::BcollHelper< ProdB >::fill ( size_t  index, Ptr< ProdB > const &  item, std::vector< Bcoll > &  bColls  ) const

inline

Definition at line 379 of file IPRHelper.h.

References art::Ptr< T >::get(), and fhicl::detail::atom::value().

{
  bColls[index].push_back(item ? item.get() : nullptr);
}

template<typename ProdB>

template<typename Bcoll >

std::enable_if_t< std::is_convertible<typename Bcoll::value_type, Ptr<ProdB> >::value> art::detail::BcollHelper< ProdB >::fill	(	size_t	index,
		Ptr< ProdB > const &	item,
		std::vector< Bcoll > &	bColls
	)		const

template<typename ProdB>

template<typename Bcoll >

std::enable_if_t< std::is_convertible<typename Bcoll::value_type, art::Ptr<ProdB> >::value> art::detail::BcollHelper< ProdB >::fill ( size_t  index, Ptr< ProdB > const &  item, Bcoll &  bColl  )

inline

Definition at line 351 of file IPRHelper.h.

References art::detail::BcollHelper< ProdB >::assnsTag_, art::errors::LogicError, and art::detail::BcollHelper< ProdB >::seen_.

{
  // This works if BColl is a collection of pointers or Ptrs.
  if (seen_[index] == uint8_t(1u)) {
    throw Exception(errors::LogicError)
      << "Attempted to create a FindOne object for a one-many or many-many"
      << " association specified in collection " << assnsTag_ << ".\n";
  }
  bColl[index] = item;
  seen_[index] = uint8_t(1u);
}

template<typename ProdB>

template<typename Bcoll >

std::enable_if_t< std::is_convertible<typename Bcoll::value_type, art::Ptr<ProdB> >::value> art::detail::BcollHelper< ProdB >::fill ( size_t  index, Ptr< ProdB > const &  item, std::vector< Bcoll > &  bColls  ) const

inline

Definition at line 391 of file IPRHelper.h.

{
  bColls[index].push_back(item);
}

template<typename ProdB >

template<typename Bcoll >

void art::detail::BcollHelper< ProdB >::init ( size_t  size, Bcoll &  bColl  )

inline

Definition at line 315 of file IPRHelper.h.

References art::detail::BcollHelper< ProdB >::seen_, and fhicl::detail::atom::value().

Referenced by art::detail::IPRHelper< ProdA, ProdB, Data, DATACOLL, EVENT >::operator()().

{
  // This works if BColl is a collection of pointers or Ptrs.
  bColl.assign(size, typename Bcoll::value_type());
  seen_.assign(size, uint8_t(0u));
}

template<typename ProdB >

template<typename Bcoll >

void art::detail::BcollHelper< ProdB >::init ( size_t  size, std::vector< Bcoll > &  bColls  ) const

inline

Definition at line 368 of file IPRHelper.h.

References fhicl::detail::atom::value().

{
  bColls.resize(size);
}

Member Data Documentation

template<typename ProdB>

InputTag const art::detail::BcollHelper< ProdB >::assnsTag_

private

Definition at line 114 of file IPRHelper.h.

Referenced by art::detail::BcollHelper< ProdB >::fill().

template<typename ProdB>

std::vector<uint8_t> art::detail::BcollHelper< ProdB >::seen_

private

Definition at line 115 of file IPRHelper.h.

Referenced by art::detail::BcollHelper< ProdB >::fill(), and art::detail::BcollHelper< ProdB >::init().

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

• canvas/Persistency/Common/detail/IPRHelper.h