ROOT::Internal::RDF::RDefineReader Class Reference

Column reader for defined columns.

Definition at line 35 of file RDefineReader.hxx.

Public Member Functions
	RDefineReader (unsigned int slot, RDFDetail::RDefineBase &define)
template<typename T>
T *	TryGet (Long64_t entry)
	Return the column value for the given entry.

Private Member Functions
void *	GetImpl (Long64_t entry) final

Private Attributes
RDFDetail::RDefineBase &	fDefine
	Non-owning reference to the node responsible for the defined column.
unsigned int	fSlot = std::numeric_limits<unsigned int>::max()
	The slot this value belongs to.
void *	fValuePtr = nullptr
	Non-owning ptr to the defined value.

#include <ROOT/RDF/RDefineReader.hxx>

Inheritance diagram for ROOT::Internal::RDF::RDefineReader:

Constructor & Destructor Documentation

RDefineReader()

ROOT::Internal::RDF::RDefineReader::RDefineReader ( unsigned int slot, RDFDetail::RDefineBase & define )

inline

Definition at line 52 of file RDefineReader.hxx.

Member Function Documentation

GetImpl()

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

inlinefinalprivatevirtual

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

Definition at line 45 of file RDefineReader.hxx.

TryGet()

template<typename T>

T * ROOT::Detail::RDF::RColumnReaderBase::TryGet ( Long64_t entry )

inlineinherited

Return the column value for the given entry.

Template Parameters

T	The column type

Parameters

entry

The entry number

The caller is responsible for checking that the returned value actually exists.

Definition at line 39 of file RColumnReaderBase.hxx.

Member Data Documentation

fDefine

RDFDetail::RDefineBase& ROOT::Internal::RDF::RDefineReader::fDefine

private

Non-owning reference to the node responsible for the defined column.

Definition at line 37 of file RDefineReader.hxx.

fSlot

unsigned int ROOT::Internal::RDF::RDefineReader::fSlot = std::numeric_limits<unsigned int>::max()

private

The slot this value belongs to.

Definition at line 43 of file RDefineReader.hxx.

fValuePtr

void* ROOT::Internal::RDF::RDefineReader::fValuePtr = nullptr

private

Non-owning ptr to the defined value.

Definition at line 40 of file RDefineReader.hxx.

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

• tree/dataframe/inc/ROOT/RDF/RDefineReader.hxx