edm::soa::TableView< Args > Class Template Reference

#include <TableView.h>

Public Types
using	const_iterator = ConstTableItr< Args... >
using	Layout = std::tuple< Args... >

Public Member Functions
const_iterator	begin () const
template<typename U >
ColumnValues< typename U::type >	column () const
const_iterator	end () const
template<typename U >
U::type const &	get (size_t iRow) const
unsigned int	size () const
template<typename... OArgs>
	TableView (Table< OArgs... > const &iTable)
	TableView (unsigned int iSize, std::array< void *, sizeof...(Args)> &iArray)
	TableView (unsigned int iSize, std::array< void const *, sizeof...(Args)> &iArray)

Static Public Attributes
static constexpr const size_t	kNColumns = sizeof...(Args)

Private Member Functions
template<typename U >
void const *	columnAddress () const
template<int I, typename T >
void	fillArray (T const &iTable, std::true_type)
template<int I, typename T >
void	fillArray (T const &iTable, std::false_type)

Private Attributes
unsigned int	m_size
std::array< void const *, sizeof...(Args)>	m_values

Detailed Description

template<typename... Args>
class edm::soa::TableView< Args >

Definition at line 49 of file TableView.h.

Member Typedef Documentation

template<typename... Args>

using edm::soa::TableView< Args >::const_iterator = ConstTableItr<Args...>

Definition at line 54 of file TableView.h.

template<typename... Args>

using edm::soa::TableView< Args >::Layout = std::tuple<Args...>

Definition at line 52 of file TableView.h.

Constructor & Destructor Documentation

template<typename... Args>

template<typename... OArgs>

edm::soa::TableView< Args >::TableView ( Table< OArgs... > const &  iTable )

inline

Definition at line 57 of file TableView.h.

                                           :
  m_size(iTable.size()) {
    fillArray<0>(iTable,std::true_type{});
  }

template<typename... Args>

edm::soa::TableView< Args >::TableView ( unsigned int  iSize, std::array< void *, sizeof...(Args)> &  iArray  )

inline

Definition at line 61 of file TableView.h.

                                                                          :
  m_size(iSize),
  m_values(iArray) {}

template<typename... Args>

edm::soa::TableView< Args >::TableView ( unsigned int  iSize, std::array< void const *, sizeof...(Args)> &  iArray  )

inline

Definition at line 65 of file TableView.h.

                                                                                :
  m_size(iSize),
  m_values(iArray) {}

Member Function Documentation

template<typename... Args>

const_iterator edm::soa::TableView< Args >::begin ( void  ) const

inline

Definition at line 83 of file TableView.h.

References edm::soa::TableView< Args >::m_values.

{ return const_iterator{m_values}; }

template<typename... Args>

template<typename U >

ColumnValues<typename U::type> edm::soa::TableView< Args >::column ( ) const

inline

Definition at line 79 of file TableView.h.

References edm::soa::TableView< Args >::m_size.

                                              {
    return ColumnValues<typename U::type>{static_cast<typename U::type const*>(columnAddress<U>()), m_size};
  }

template<typename... Args>

template<typename U >

void const* edm::soa::TableView< Args >::columnAddress ( ) const

inlineprivate

Definition at line 91 of file TableView.h.

References edm::soa::TableView< Args >::m_values.

                                    {
    return m_values[impl::GetIndex<0,U,Layout>::index];
  }

template<typename... Args>

const_iterator edm::soa::TableView< Args >::end ( void  ) const

inline

Definition at line 84 of file TableView.h.

References edm::soa::TableView< Args >::m_values, and edm::soa::TableView< Args >::size().

{ return const_iterator{m_values,size()}; }

template<typename... Args>

template<int I, typename T >

void edm::soa::TableView< Args >::fillArray ( T const &  iTable, std::true_type    )

inlineprivate

Definition at line 96 of file TableView.h.

References Exhume::I, and edm::soa::TableView< Args >::m_values.

                                                 {
    using ElementType = typename std::tuple_element<I, Layout>::type;
    m_values[I] = iTable.columnAddressWorkaround(static_cast<ElementType const*>(nullptr));
    fillArray<I+1>(iTable, std::conditional_t<I+1<sizeof...(Args), std::true_type, std::false_type>{});
  }

template<typename... Args>

template<int I, typename T >

void edm::soa::TableView< Args >::fillArray ( T const &  iTable, std::false_type    )

inlineprivate

Definition at line 102 of file TableView.h.

{}

template<typename... Args>

template<typename U >

U::type const& edm::soa::TableView< Args >::get ( size_t  iRow ) const

inline

Definition at line 74 of file TableView.h.

Referenced by Options.Options::__getitem__(), betterConfigParser.BetterConfigParser::__updateDict(), rrapi.RRApi::columns(), rrapi.RRApi::count(), rrapi.RRApi::data(), betterConfigParser.BetterConfigParser::getCompares(), betterConfigParser.BetterConfigParser::getGeneral(), betterConfigParser.BetterConfigParser::getResultingSection(), rrapi.RRApi::report(), rrapi.RRApi::reports(), rrapi.RRApi::tables(), rrapi.RRApi::tags(), rrapi.RRApi::templates(), and rrapi.RRApi::workspaces().

                                               {
    return static_cast<typename U::type*>(columnAddress<U>())+iRow;
  }

template<typename... Args>

unsigned int edm::soa::TableView< Args >::size ( void  ) const

inline

Definition at line 69 of file TableView.h.

References edm::soa::TableView< Args >::m_size.

Referenced by ntupleDataFormat._Collection::__iter__(), ntupleDataFormat._Collection::__len__(), and edm::soa::TableView< Args >::end().

                            {
    return m_size;
  }

Member Data Documentation

template<typename... Args>

constexpr const size_t edm::soa::TableView< Args >::kNColumns = sizeof...(Args)

static

Definition at line 53 of file TableView.h.

template<typename... Args>

unsigned int edm::soa::TableView< Args >::m_size

private

Definition at line 88 of file TableView.h.

Referenced by edm::soa::TableView< Args >::column(), and edm::soa::TableView< Args >::size().

template<typename... Args>

std::array<void const*, sizeof...(Args)> edm::soa::TableView< Args >::m_values

private

Definition at line 87 of file TableView.h.

Referenced by edm::soa::TableView< Args >::begin(), edm::soa::TableView< Args >::columnAddress(), edm::soa::TableView< Args >::end(), and edm::soa::TableView< Args >::fillArray().