ROOT::Experimental::RNTupleCollectionView Class Reference

A view for a collection, that can itself generate new ntuple views for its nested fields.

Definition at line 268 of file RNTupleView.hxx.

Public Member Functions
	RNTupleCollectionView (const RNTupleCollectionView &other)=delete
	RNTupleCollectionView (RNTupleCollectionView &&other)=default
	~RNTupleCollectionView ()=default
ROOT::RNTupleLocalRange	GetCollectionRange (RNTupleLocalIndex localIndex)
ROOT::RNTupleLocalRange	GetCollectionRange (ROOT::NTupleSize_t globalIndex)
RNTupleCollectionView	GetCollectionView (std::string_view fieldName)
	Raises an exception if there is no field with the given name.
template<typename T >
RNTupleDirectAccessView< T >	GetDirectAccessView (std::string_view fieldName)
	Raises an exception if there is no field with the given name.
template<typename T >
RNTupleView< T >	GetView (std::string_view fieldName)
	Raises an exception if there is no field with the given name.
std::uint64_t	operator() (RNTupleLocalIndex localIndex)
std::uint64_t	operator() (ROOT::NTupleSize_t globalIndex)
RNTupleCollectionView &	operator= (const RNTupleCollectionView &other)=delete
RNTupleCollectionView &	operator= (RNTupleCollectionView &&other)=default

Private Member Functions
	RNTupleCollectionView (ROOT::DescriptorId_t fieldId, const std::string &fieldName, Internal::RPageSource *source)
ROOT::DescriptorId_t	GetFieldId (std::string_view fieldName)

Static Private Member Functions
static RNTupleCollectionView	Create (ROOT::DescriptorId_t fieldId, Internal::RPageSource *source)

Private Attributes
ROOT::RField< RNTupleCardinality< std::uint64_t > >	fField
Internal::RPageSource *	fSource
ROOT::RFieldBase::RValue	fValue

Friends
class	RNTupleReader

#include <ROOT/RNTupleView.hxx>

Constructor & Destructor Documentation

RNTupleCollectionView() [1/3]

ROOT::Experimental::RNTupleCollectionView::RNTupleCollectionView ( ROOT::DescriptorId_t fieldId, const std::string & fieldName, Internal::RPageSource * source )

inlineprivate

Definition at line 276 of file RNTupleView.hxx.

RNTupleCollectionView() [2/3]

ROOT::Experimental::RNTupleCollectionView::RNTupleCollectionView ( const RNTupleCollectionView & other )

delete

RNTupleCollectionView() [3/3]

ROOT::Experimental::RNTupleCollectionView::RNTupleCollectionView ( RNTupleCollectionView && other )

default

~RNTupleCollectionView()

ROOT::Experimental::RNTupleCollectionView::~RNTupleCollectionView ( )

default

Member Function Documentation

Create()

static RNTupleCollectionView ROOT::Experimental::RNTupleCollectionView::Create ( ROOT::DescriptorId_t fieldId, Internal::RPageSource * source )

inlinestaticprivate

Definition at line 283 of file RNTupleView.hxx.

GetCollectionRange() [1/2]

ROOT::RNTupleLocalRange ROOT::Experimental::RNTupleCollectionView::GetCollectionRange ( RNTupleLocalIndex localIndex )

inline

Definition at line 325 of file RNTupleView.hxx.

GetCollectionRange() [2/2]

ROOT::RNTupleLocalRange ROOT::Experimental::RNTupleCollectionView::GetCollectionRange ( ROOT::NTupleSize_t globalIndex )

inline

Definition at line 316 of file RNTupleView.hxx.

GetCollectionView()

RNTupleCollectionView ROOT::Experimental::RNTupleCollectionView::GetCollectionView ( std::string_view fieldName )

inline

Raises an exception if there is no field with the given name.

Definition at line 353 of file RNTupleView.hxx.

GetDirectAccessView()

template<typename T >

RNTupleDirectAccessView< T > ROOT::Experimental::RNTupleCollectionView::GetDirectAccessView ( std::string_view fieldName )

inline

Raises an exception if there is no field with the given name.

Definition at line 345 of file RNTupleView.hxx.

GetFieldId()

ROOT::DescriptorId_t ROOT::Experimental::RNTupleCollectionView::GetFieldId ( std::string_view fieldName )

inlineprivate

Definition at line 298 of file RNTupleView.hxx.

GetView()

template<typename T >

RNTupleView< T > ROOT::Experimental::RNTupleCollectionView::GetView ( std::string_view fieldName )

inline

Raises an exception if there is no field with the given name.

Definition at line 336 of file RNTupleView.hxx.

operator()() [1/2]

std::uint64_t ROOT::Experimental::RNTupleCollectionView::operator() ( RNTupleLocalIndex localIndex )

inline

Definition at line 364 of file RNTupleView.hxx.

operator()() [2/2]

std::uint64_t ROOT::Experimental::RNTupleCollectionView::operator() ( ROOT::NTupleSize_t globalIndex )

inline

Definition at line 358 of file RNTupleView.hxx.

operator=() [1/2]

RNTupleCollectionView & ROOT::Experimental::RNTupleCollectionView::operator= ( const RNTupleCollectionView & other )

delete

operator=() [2/2]

RNTupleCollectionView & ROOT::Experimental::RNTupleCollectionView::operator= ( RNTupleCollectionView && other )

default

Friends And Related Symbol Documentation

RNTupleReader

friend class RNTupleReader

friend

Definition at line 269 of file RNTupleView.hxx.

Member Data Documentation

fField

ROOT::RField<RNTupleCardinality<std::uint64_t> > ROOT::Experimental::RNTupleCollectionView::fField

private

Definition at line 273 of file RNTupleView.hxx.

fSource

Internal::RPageSource* ROOT::Experimental::RNTupleCollectionView::fSource

private

Definition at line 272 of file RNTupleView.hxx.

fValue

ROOT::RFieldBase::RValue ROOT::Experimental::RNTupleCollectionView::fValue

private

Definition at line 274 of file RNTupleView.hxx.

Libraries for ROOT::Experimental::RNTupleCollectionView:

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

• tree/ntuple/v7/inc/ROOT/RNTupleView.hxx