ROOT::Internal::RDF::RVariationReader Class Reference

Column reader that reads the value for a specific column, variation and slot.

Definition at line 26 of file RVariationReader.hxx.

Public Member Functions
	RVariationReader (unsigned int slot, const std::string &colName, const std::string &variationName, RVariationBase &variation)
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
unsigned int	fSlot = std::numeric_limits<unsigned int>::max()
	The slot this value belongs to.
void *	fValuePtr = nullptr
	Non-owning ptr to the value of the variation.
RVariationBase *	fVariation

#include <ROOT/RDF/RVariationReader.hxx>

Inheritance diagram for ROOT::Internal::RDF::RVariationReader:

Constructor & Destructor Documentation

RVariationReader()

ROOT::Internal::RDF::RVariationReader::RVariationReader ( unsigned int slot, const std::string & colName, const std::string & variationName, RVariationBase & variation )

inline

Definition at line 42 of file RVariationReader.hxx.

Member Function Documentation

GetImpl()

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

inlinefinalprivatevirtual

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

Definition at line 35 of file RVariationReader.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

fSlot

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

private

The slot this value belongs to.

Definition at line 33 of file RVariationReader.hxx.

fValuePtr

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

private

Non-owning ptr to the value of the variation.

Definition at line 30 of file RVariationReader.hxx.

fVariation

RVariationBase* ROOT::Internal::RDF::RVariationReader::fVariation

private

Definition at line 27 of file RVariationReader.hxx.

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

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