art::View< T > Class Template Reference

#include <fwd.h>

Public Types
using	collection_type = std::vector< T const * >
using	value_type = typename collection_type::value_type
using	const_iterator = typename collection_type::const_iterator
using	iterator = typename collection_type::iterator
using	size_type = typename collection_type::size_type

Public Member Functions
	View ()=default
	View (std::vector< T const * >, ProductID const, EDProduct const *)
auto	isValid () const noexcept
auto	id () const
void	fill (PtrVector< T > &pv) const
auto &	vals () noexcept
auto const &	vals () const noexcept
	operator auto & () noexcept
	operator auto const & () const noexcept
auto	begin () noexcept
auto	end () noexcept
auto	begin () const noexcept
auto	end () const noexcept
auto	cbegin () const noexcept
auto	cend () const noexcept
auto	size () const noexcept

Private Attributes
std::vector< T const * >	vals_ {}
ProductID	id_ {}
EDProduct const *	prod_ {nullptr}

Friends
template<typename Element >
bool	DataViewImpl::getView (std::string const &, std::string const &, std::string const &, View< Element > &) const

Detailed Description

template<typename T>
class art::View< T >

Definition at line 46 of file fwd.h.

Member Typedef Documentation

template<typename T>

using art::View< T >::collection_type = std::vector<T const*>

Definition at line 42 of file View.h.

template<typename T>

using art::View< T >::const_iterator = typename collection_type::const_iterator

Definition at line 44 of file View.h.

template<typename T>

using art::View< T >::iterator = typename collection_type::iterator

Definition at line 45 of file View.h.

template<typename T>

using art::View< T >::size_type = typename collection_type::size_type

Definition at line 46 of file View.h.

template<typename T>

using art::View< T >::value_type = typename collection_type::value_type

Definition at line 43 of file View.h.

Constructor & Destructor Documentation

template<typename T>

art::View< T >::View ( )

default

template<typename T >

art::View< T >::View	(	std::vector< T const * >	v,
		ProductID const	id,
		EDProduct const *	p
	)

Definition at line 137 of file View.h.

    : vals_{move(v)}, id_{id}, prod_{p}
  {}

Member Function Documentation

template<typename T>

auto art::View< T >::begin ( )

inlinenoexcept

Definition at line 83 of file View.h.

    {
      return vals_.begin();
    }

template<typename T>

auto art::View< T >::begin ( ) const

inlinenoexcept

Definition at line 95 of file View.h.

    {
      return vals_.begin();
    }

template<typename T>

auto art::View< T >::cbegin ( ) const

inlinenoexcept

Definition at line 107 of file View.h.

    {
      return vals_.cbegin();
    }

template<typename T>

auto art::View< T >::cend ( ) const

inlinenoexcept

Definition at line 113 of file View.h.

    {
      return vals_.cend();
    }

template<typename T>

auto art::View< T >::end ( )

inlinenoexcept

Definition at line 89 of file View.h.

    {
      return vals_.end();
    }

template<typename T>

auto art::View< T >::end ( ) const

inlinenoexcept

Definition at line 101 of file View.h.

    {
      return vals_.end();
    }

template<typename T >

void art::View< T >::fill

(

PtrVector< T > &

pv

)

const

Definition at line 145 of file View.h.

  {
    if (not isValid()) {
      return;
    }
    typename std::vector<T const*>::size_type i{};
    for (auto a : prod_->getView()) {
      // We do this as a sloppy guard against the container data
      // product having been replaced between the View<T> ctor and the
      // fill call. The user is supposed to do event.getView<T>()
      // immediately followed by View<T>::fill(), but well. This can
      // be O(n^2) so maybe it is not worth it in the case of large
      // containers.
      if (cet::search_all(vals_, a)) {
        pv.emplace_back(id_, reinterpret_cast<T const*>(a), i);
        ++i;
      }
    }
  }

template<typename T>

auto art::View< T >::id ( ) const

inline

Definition at line 58 of file View.h.

    {
      return id_;
    }

template<typename T>

auto art::View< T >::isValid ( ) const

inlinenoexcept

Definition at line 52 of file View.h.

    {
      return prod_ != nullptr;
    }

template<typename T>

art::View< T >::operator auto & ( )

inlinenoexcept

Definition at line 79 of file View.h.

{ return vals_; }

template<typename T>

art::View< T >::operator auto const & ( ) const

inlinenoexcept

Definition at line 80 of file View.h.

{ return vals_; }

template<typename T>

auto art::View< T >::size ( ) const

inlinenoexcept

Definition at line 119 of file View.h.

    {
      return vals_.size();
    }

template<typename T>

auto& art::View< T >::vals ( )

inlinenoexcept

Definition at line 68 of file View.h.

    {
      return vals_;
    }

template<typename T>

auto const& art::View< T >::vals ( ) const

inlinenoexcept

Definition at line 74 of file View.h.

    {
      return vals_;
    }

Friends And Related Function Documentation

template<typename T>

template<typename Element >

bool DataViewImpl::getView ( std::string const &  , std::string const &  , std::string const &  , View< Element > &    ) const

friend

Member Data Documentation

template<typename T>

ProductID art::View< T >::id_ {}

private

Definition at line 130 of file View.h.

template<typename T>

EDProduct const* art::View< T >::prod_ {nullptr}

private

Definition at line 133 of file View.h.

template<typename T>

std::vector<T const*> art::View< T >::vals_ {}

private

Definition at line 127 of file View.h.

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

• art/art/Framework/Principal/fwd.h
• art/art/Framework/Principal/View.h