Definition at line 43 of file RColumn.hxx.

Public Member Functions
	RColumn (const RColumn &)=delete

	~RColumn ()

void	Append (const RColumnElementBase &element)

void	AppendV (const RColumnElementBase &elemArray, std::size_t count)

void	Connect (DescriptorId_t fieldId, RPageStorage *pageStorage)

void	Flush ()

RClusterIndex	GetClusterIndex (NTupleSize_t globalIndex)

void	GetCollectionInfo (const NTupleSize_t globalIndex, RClusterIndex collectionStart, ClusterSize_t collectionSize)
	For offset columns only, look at the two adjacent values that define a collection's coordinates.

void	GetCollectionInfo (const RClusterIndex &clusterIndex, RClusterIndex collectionStart, ClusterSize_t collectionSize)

ColumnId_t	GetColumnIdSource () const

RColumnElementBase *	GetElement () const

NTupleSize_t	GetGlobalIndex (const RClusterIndex &clusterIndex)

RPageStorage::ColumnHandle_t	GetHandleSink () const

RPageStorage::ColumnHandle_t	GetHandleSource () const

std::uint32_t	GetIndex () const

const RColumnModel &	GetModel () const

NTupleSize_t	GetNElements () const

RPageSource *	GetPageSource () const

void	GetSwitchInfo (NTupleSize_t globalIndex, RClusterIndex varIndex, std::uint32_t tag)
	Get the currently active cluster id.

RNTupleVersion	GetVersion () const

template<typename CppT , EColumnType ColumnT>
CppT *	Map (const NTupleSize_t globalIndex)

template<typename CppT , EColumnType ColumnT>
CppT *	Map (const RClusterIndex &clusterIndex)

void	MapPage (const NTupleSize_t index)

void	MapPage (const RClusterIndex &clusterIndex)

RColumn &	operator= (const RColumn &)=delete

void	Read (const NTupleSize_t globalIndex, RColumnElementBase *element)

void	Read (const RClusterIndex &clusterIndex, RColumnElementBase *element)

void	ReadV (const NTupleSize_t globalIndex, const ClusterSize_t::ValueType count, RColumnElementBase *elemArray)

void	ReadV (const RClusterIndex &clusterIndex, const ClusterSize_t::ValueType count, RColumnElementBase *elemArray)

Static Public Member Functions
template<typename CppT , EColumnType ColumnT>
static RColumn *	Create (const RColumnModel &model, std::uint32_t index)

Private Member Functions
	RColumn (const RColumnModel &model, std::uint32_t index)

Private Attributes
ColumnId_t	fColumnIdSource
	The column id is used to find matching pages with content when reading.

RPage	fCurrentPage
	The currently mapped page for reading.

std::unique_ptr< RColumnElementBase >	fElement
	Used to pack and unpack pages on writing/reading.

RPageStorage::ColumnHandle_t	fHandleSink

RPageStorage::ColumnHandle_t	fHandleSource

RPage	fHeadPage
	Open page into which new elements are being written.

std::uint32_t	fIndex
	Columns belonging to the same field are distinguished by their order.

RColumnModel	fModel

NTupleSize_t	fNElements
	The number of elements written resp. available in the column.

RPageSink *	fPageSink

RPageSource *	fPageSource

#include <ROOT/RColumn.hxx>

Constructor & Destructor Documentation

◆ RColumn() [1/2]

ROOT::Experimental::Detail::RColumn::RColumn	(	const RColumnModel &	model,
		std::uint32_t	index
	)

private

Definition at line 24 of file RColumn.cxx.

◆ RColumn() [2/2]

ROOT::Experimental::Detail::RColumn::RColumn ( const RColumn & )

delete

◆ ~RColumn()

ROOT::Experimental::Detail::RColumn::~RColumn ( )

Definition at line 31 of file RColumn.cxx.

Member Function Documentation

◆ Append()

void ROOT::Experimental::Detail::RColumn::Append ( const RColumnElementBase & element )

inline

Definition at line 83 of file RColumn.hxx.

◆ AppendV()

void ROOT::Experimental::Detail::RColumn::AppendV	(	const RColumnElementBase &	elemArray,
		std::size_t	count
	)

inline

Definition at line 94 of file RColumn.hxx.

◆ Connect()

void ROOT::Experimental::Detail::RColumn::Connect	(	DescriptorId_t	fieldId,
		RPageStorage *	pageStorage
	)

Definition at line 43 of file RColumn.cxx.

◆ Create()

template<typename CppT , EColumnType ColumnT>

static RColumn * ROOT::Experimental::Detail::RColumn::Create	(	const RColumnModel &	model,
		std::uint32_t	index
	)

inlinestatic

Definition at line 70 of file RColumn.hxx.

◆ Flush()

void ROOT::Experimental::Detail::RColumn::Flush ( )

Definition at line 62 of file RColumn.cxx.

◆ GetClusterIndex()

RClusterIndex ROOT::Experimental::Detail::RColumn::GetClusterIndex ( NTupleSize_t globalIndex )

inline

Definition at line 188 of file RColumn.hxx.

◆ GetCollectionInfo() [1/2]

void ROOT::Experimental::Detail::RColumn::GetCollectionInfo	(	const NTupleSize_t	globalIndex,
		RClusterIndex *	collectionStart,
		ClusterSize_t *	collectionSize
	)

inline

For offset columns only, look at the two adjacent values that define a collection's coordinates.

Definition at line 197 of file RColumn.hxx.

◆ GetCollectionInfo() [2/2]

void ROOT::Experimental::Detail::RColumn::GetCollectionInfo	(	const RClusterIndex &	clusterIndex,
		RClusterIndex *	collectionStart,
		ClusterSize_t *	collectionSize
	)

inline

Definition at line 210 of file RColumn.hxx.

◆ GetColumnIdSource()

ColumnId_t ROOT::Experimental::Detail::RColumn::GetColumnIdSource ( ) const

inline

Definition at line 234 of file RColumn.hxx.

◆ GetElement()

RColumnElementBase * ROOT::Experimental::Detail::RColumn::GetElement ( ) const

inline

Definition at line 231 of file RColumn.hxx.

◆ GetGlobalIndex()

NTupleSize_t ROOT::Experimental::Detail::RColumn::GetGlobalIndex ( const RClusterIndex & clusterIndex )

inline

Definition at line 181 of file RColumn.hxx.

◆ GetHandleSink()

RPageStorage::ColumnHandle_t ROOT::Experimental::Detail::RColumn::GetHandleSink ( ) const

inline

Definition at line 237 of file RColumn.hxx.

◆ GetHandleSource()

RPageStorage::ColumnHandle_t ROOT::Experimental::Detail::RColumn::GetHandleSource ( ) const

inline

Definition at line 236 of file RColumn.hxx.

◆ GetIndex()

std::uint32_t ROOT::Experimental::Detail::RColumn::GetIndex ( ) const

inline

Definition at line 233 of file RColumn.hxx.

◆ GetModel()

const RColumnModel & ROOT::Experimental::Detail::RColumn::GetModel ( ) const

inline

Definition at line 232 of file RColumn.hxx.

◆ GetNElements()

NTupleSize_t ROOT::Experimental::Detail::RColumn::GetNElements ( ) const

inline

Definition at line 230 of file RColumn.hxx.

◆ GetPageSource()

RPageSource * ROOT::Experimental::Detail::RColumn::GetPageSource ( ) const

inline

Definition at line 235 of file RColumn.hxx.

◆ GetSwitchInfo()

void ROOT::Experimental::Detail::RColumn::GetSwitchInfo	(	NTupleSize_t	globalIndex,
		RClusterIndex *	varIndex,
		std::uint32_t *	tag
	)

inline

Get the currently active cluster id.

Definition at line 221 of file RColumn.hxx.

◆ GetVersion()

RNTupleVersion ROOT::Experimental::Detail::RColumn::GetVersion ( ) const

inline

Definition at line 238 of file RColumn.hxx.

◆ Map() [1/2]

template<typename CppT , EColumnType ColumnT>

CppT * ROOT::Experimental::Detail::RColumn::Map ( const NTupleSize_t globalIndex )

inline

Definition at line 162 of file RColumn.hxx.

◆ Map() [2/2]

template<typename CppT , EColumnType ColumnT>

CppT * ROOT::Experimental::Detail::RColumn::Map ( const RClusterIndex & clusterIndex )

inline

Definition at line 172 of file RColumn.hxx.

◆ MapPage() [1/2]

void ROOT::Experimental::Detail::RColumn::MapPage ( const NTupleSize_t index )

Definition at line 70 of file RColumn.cxx.

◆ MapPage() [2/2]

void ROOT::Experimental::Detail::RColumn::MapPage ( const RClusterIndex & clusterIndex )

Definition at line 76 of file RColumn.cxx.

◆ operator=()

RColumn & ROOT::Experimental::Detail::RColumn::operator= ( const RColumn & )

delete

◆ Read() [1/2]

void ROOT::Experimental::Detail::RColumn::Read	(	const NTupleSize_t	globalIndex,
		RColumnElementBase *	element
	)

inline

Definition at line 106 of file RColumn.hxx.

◆ Read() [2/2]

void ROOT::Experimental::Detail::RColumn::Read	(	const RClusterIndex &	clusterIndex,
		RColumnElementBase *	element
	)

inline

Definition at line 116 of file RColumn.hxx.

◆ ReadV() [1/2]

void ROOT::Experimental::Detail::RColumn::ReadV	(	const NTupleSize_t	globalIndex,
		const ClusterSize_t::ValueType	count,
		RColumnElementBase *	elemArray
	)

inline

Definition at line 125 of file RColumn.hxx.

◆ ReadV() [2/2]

void ROOT::Experimental::Detail::RColumn::ReadV	(	const RClusterIndex &	clusterIndex,
		const ClusterSize_t::ValueType	count,
		RColumnElementBase *	elemArray
	)

inline

Definition at line 143 of file RColumn.hxx.

Member Data Documentation

◆ fColumnIdSource

ColumnId_t ROOT::Experimental::Detail::RColumn::fColumnIdSource

private

The column id is used to find matching pages with content when reading.

Definition at line 62 of file RColumn.hxx.

◆ fCurrentPage

RPage ROOT::Experimental::Detail::RColumn::fCurrentPage

private

The currently mapped page for reading.

Definition at line 60 of file RColumn.hxx.

◆ fElement

std::unique_ptr<RColumnElementBase> ROOT::Experimental::Detail::RColumn::fElement

private

Used to pack and unpack pages on writing/reading.

Definition at line 64 of file RColumn.hxx.

◆ fHandleSink

RPageStorage::ColumnHandle_t ROOT::Experimental::Detail::RColumn::fHandleSink

private

Definition at line 53 of file RColumn.hxx.

◆ fHandleSource

RPageStorage::ColumnHandle_t ROOT::Experimental::Detail::RColumn::fHandleSource

private

Definition at line 54 of file RColumn.hxx.

◆ fHeadPage

RPage ROOT::Experimental::Detail::RColumn::fHeadPage

private

Open page into which new elements are being written.

Definition at line 56 of file RColumn.hxx.

◆ fIndex

std::uint32_t ROOT::Experimental::Detail::RColumn::fIndex

private

Columns belonging to the same field are distinguished by their order.

E.g. for an std::string field, there is the offset column with index 0 and the character value column with index 1.

Definition at line 50 of file RColumn.hxx.

◆ fModel

RColumnModel ROOT::Experimental::Detail::RColumn::fModel

private

Definition at line 45 of file RColumn.hxx.

◆ fNElements

NTupleSize_t ROOT::Experimental::Detail::RColumn::fNElements

private

The number of elements written resp. available in the column.

Definition at line 58 of file RColumn.hxx.

◆ fPageSink

RPageSink* ROOT::Experimental::Detail::RColumn::fPageSink

private

Definition at line 51 of file RColumn.hxx.

◆ fPageSource

RPageSource* ROOT::Experimental::Detail::RColumn::fPageSource

private

Definition at line 52 of file RColumn.hxx.

Libraries for ROOT::Experimental::Detail::RColumn:

[legend]

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

tree/ntuple/v7/inc/ROOT/RColumn.hxx
tree/ntuple/v7/src/RColumn.cxx

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Constructor & Destructor Documentation

◆ RColumn() [1/2]

◆ RColumn() [2/2]

◆ ~RColumn()

Member Function Documentation

◆ Append()

◆ AppendV()

◆ Connect()

◆ Create()

◆ Flush()

◆ GetClusterIndex()

◆ GetCollectionInfo() [1/2]

◆ GetCollectionInfo() [2/2]

◆ GetColumnIdSource()

◆ GetElement()

◆ GetGlobalIndex()

◆ GetHandleSink()

◆ GetHandleSource()

◆ GetIndex()

◆ GetModel()

◆ GetNElements()

◆ GetPageSource()

◆ GetSwitchInfo()

◆ GetVersion()

◆ Map() [1/2]

◆ Map() [2/2]

◆ MapPage() [1/2]

◆ MapPage() [2/2]

◆ operator=()

◆ Read() [1/2]

◆ Read() [2/2]

◆ ReadV() [1/2]

◆ ReadV() [2/2]

Member Data Documentation

◆ fColumnIdSource

◆ fCurrentPage

◆ fElement

◆ fHandleSink

◆ fHandleSource

◆ fHeadPage

◆ fIndex

◆ fModel

◆ fNElements

◆ fPageSink

◆ fPageSource