ROOT::Internal::RDF::RTreeUntypedArrayColumnReader Class Reference

RTreeColumnReader specialization for TTree values read via TTreeReaderUntypedValue.

Definition at line 75 of file RTreeColumnReader.hxx.

Public Types
enum class	ECollectionType { kRVec , kStdArray , kRVecBool }

Public Member Functions
	RTreeUntypedArrayColumnReader (const RTreeUntypedArrayColumnReader &)=delete
	RTreeUntypedArrayColumnReader (RTreeUntypedArrayColumnReader &&)=delete
	RTreeUntypedArrayColumnReader (TTreeReader &r, std::string_view colName, std::string_view valueTypeName, ECollectionType collType)
	~RTreeUntypedArrayColumnReader () final
RTreeUntypedArrayColumnReader &	operator= (const RTreeUntypedArrayColumnReader &)=delete
RTreeUntypedArrayColumnReader &	operator= (RTreeUntypedArrayColumnReader &&)=delete
Public Member Functions inherited from ROOT::Detail::RDF::RColumnReaderBase
virtual	~RColumnReaderBase ()=default
template<typename T >
T *	TryGet (Long64_t entry)
	Return the column value for the given entry.

Private Types
using	Byte_t = std::byte

Private Member Functions
void *	GetImpl (Long64_t entry) override

Private Attributes
ECollectionType	fCollectionType
bool	fCopyWarningPrinted = false
	Whether we already printed a warning about performing a copy of the TTreeReaderArray contents.
Long64_t	fLastEntry = -1
RVec< Byte_t >	fRVec {}
	We return a reference to this RVec to clients, to guarantee a stable address and contiguous memory layout.
std::unique_ptr< ROOT::Internal::TTreeReaderUntypedArray >	fTreeArray
std::size_t	fValueSize {}
	The size of the collection value type.

#include <ROOT/RDF/RTreeColumnReader.hxx>

Inheritance diagram for ROOT::Internal::RDF::RTreeUntypedArrayColumnReader:

Member Typedef Documentation

Byte_t

using ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::Byte_t = std::byte

private

Definition at line 98 of file RTreeColumnReader.hxx.

Member Enumeration Documentation

ECollectionType

enum class ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::ECollectionType

strong

Enumerator
kRVec
kStdArray
kRVecBool

Definition at line 77 of file RTreeColumnReader.hxx.

Constructor & Destructor Documentation

RTreeUntypedArrayColumnReader() [1/3]

ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::RTreeUntypedArrayColumnReader	(	TTreeReader &	r,
		std::string_view	colName,
		std::string_view	valueTypeName,
		ECollectionType	collType )

Definition at line 100 of file RTreeColumnReader.cxx.

RTreeUntypedArrayColumnReader() [2/3]

ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::RTreeUntypedArrayColumnReader ( const RTreeUntypedArrayColumnReader & )

delete

RTreeUntypedArrayColumnReader() [3/3]

ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::RTreeUntypedArrayColumnReader ( RTreeUntypedArrayColumnReader && )

delete

~RTreeUntypedArrayColumnReader()

ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::~RTreeUntypedArrayColumnReader ( )

finaldefault

Member Function Documentation

GetImpl()

void * ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::GetImpl ( Long64_t entry )

overrideprivatevirtual

Implements ROOT::Detail::RDF::RColumnReaderBase.

Definition at line 34 of file RTreeColumnReader.cxx.

operator=() [1/2]

RTreeUntypedArrayColumnReader & ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::operator= ( const RTreeUntypedArrayColumnReader & )

delete

operator=() [2/2]

RTreeUntypedArrayColumnReader & ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::operator= ( RTreeUntypedArrayColumnReader && )

delete

Member Data Documentation

fCollectionType

ECollectionType ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::fCollectionType

private

Definition at line 96 of file RTreeColumnReader.hxx.

fCopyWarningPrinted

bool ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::fCopyWarningPrinted = false

private

Whether we already printed a warning about performing a copy of the TTreeReaderArray contents.

Definition at line 108 of file RTreeColumnReader.hxx.

fLastEntry

Long64_t ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::fLastEntry = -1

private

Definition at line 102 of file RTreeColumnReader.hxx.

fRVec

RVec<Byte_t> ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::fRVec {}

private

We return a reference to this RVec to clients, to guarantee a stable address and contiguous memory layout.

Definition at line 100 of file RTreeColumnReader.hxx.

fTreeArray

std::unique_ptr<ROOT::Internal::TTreeReaderUntypedArray> ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::fTreeArray

private

Definition at line 95 of file RTreeColumnReader.hxx.

fValueSize

std::size_t ROOT::Internal::RDF::RTreeUntypedArrayColumnReader::fValueSize {}

private

The size of the collection value type.

Definition at line 105 of file RTreeColumnReader.hxx.

Libraries for ROOT::Internal::RDF::RTreeUntypedArrayColumnReader:

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

• tree/dataframe/inc/ROOT/RDF/RTreeColumnReader.hxx
• tree/dataframe/src/RTreeColumnReader.cxx