ROOT::Internal::RColumnDescriptorBuilder Class Reference

A helper class for piece-wise construction of an RColumnDescriptor.

Dangling column descriptors can become actual descriptors when added to an RNTupleDescriptorBuilder instance and then linked to their fields.

Definition at line 1413 of file RNTupleDescriptor.hxx.

Public Member Functions
	RColumnDescriptorBuilder ()=default
	Make an empty column descriptor builder.
RColumnDescriptorBuilder &	BitsOnStorage (std::uint16_t bitsOnStorage)
RColumnDescriptorBuilder &	FieldId (ROOT::DescriptorId_t fieldId)
RColumnDescriptorBuilder &	FirstElementIndex (std::uint64_t firstElementIdx)
ROOT::DescriptorId_t	GetFieldId () const
ROOT::DescriptorId_t	GetRepresentationIndex () const
RColumnDescriptorBuilder &	Index (std::uint32_t index)
RColumnDescriptorBuilder &	LogicalColumnId (ROOT::DescriptorId_t logicalColumnId)
RResult< RColumnDescriptor >	MakeDescriptor () const
	Attempt to make a column descriptor.
RColumnDescriptorBuilder &	PhysicalColumnId (ROOT::DescriptorId_t physicalColumnId)
RColumnDescriptorBuilder &	RepresentationIndex (std::uint16_t representationIndex)
RColumnDescriptorBuilder &	SetSuppressedDeferred ()
RColumnDescriptorBuilder &	Type (ROOT::ENTupleColumnType type)
RColumnDescriptorBuilder &	ValueRange (double min, double max)
RColumnDescriptorBuilder &	ValueRange (std::optional< RColumnDescriptor::RValueRange > valueRange)

Private Attributes
RColumnDescriptor	fColumn = RColumnDescriptor()

#include <ROOT/RNTupleDescriptor.hxx>

Constructor & Destructor Documentation

RColumnDescriptorBuilder()

ROOT::Internal::RColumnDescriptorBuilder::RColumnDescriptorBuilder ( )

default

Make an empty column descriptor builder.

Member Function Documentation

BitsOnStorage()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::BitsOnStorage ( std::uint16_t bitsOnStorage )

inline

Definition at line 1431 of file RNTupleDescriptor.hxx.

FieldId()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::FieldId ( ROOT::DescriptorId_t fieldId )

inline

Definition at line 1441 of file RNTupleDescriptor.hxx.

FirstElementIndex()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::FirstElementIndex ( std::uint64_t firstElementIdx )

inline

Definition at line 1451 of file RNTupleDescriptor.hxx.

GetFieldId()

ROOT::DescriptorId_t ROOT::Internal::RColumnDescriptorBuilder::GetFieldId ( ) const

inline

Definition at line 1478 of file RNTupleDescriptor.hxx.

GetRepresentationIndex()

ROOT::DescriptorId_t ROOT::Internal::RColumnDescriptorBuilder::GetRepresentationIndex ( ) const

inline

Definition at line 1479 of file RNTupleDescriptor.hxx.

Index()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::Index ( std::uint32_t index )

inline

Definition at line 1446 of file RNTupleDescriptor.hxx.

LogicalColumnId()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::LogicalColumnId ( ROOT::DescriptorId_t logicalColumnId )

inline

Definition at line 1421 of file RNTupleDescriptor.hxx.

MakeDescriptor()

ROOT::RResult< ROOT::RColumnDescriptor > ROOT::Internal::RColumnDescriptorBuilder::MakeDescriptor

(

)

const

Attempt to make a column descriptor.

This may fail if the column was not given enough information to make a proper descriptor.

Definition at line 1126 of file RNTupleDescriptor.cxx.

PhysicalColumnId()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::PhysicalColumnId ( ROOT::DescriptorId_t physicalColumnId )

inline

Definition at line 1426 of file RNTupleDescriptor.hxx.

RepresentationIndex()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::RepresentationIndex ( std::uint16_t representationIndex )

inline

Definition at line 1463 of file RNTupleDescriptor.hxx.

SetSuppressedDeferred()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::SetSuppressedDeferred ( )

inline

Definition at line 1456 of file RNTupleDescriptor.hxx.

Type()

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::Type ( ROOT::ENTupleColumnType type )

inline

Definition at line 1436 of file RNTupleDescriptor.hxx.

ValueRange() [1/2]

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::ValueRange ( double min, double max )

inline

Definition at line 1468 of file RNTupleDescriptor.hxx.

ValueRange() [2/2]

RColumnDescriptorBuilder & ROOT::Internal::RColumnDescriptorBuilder::ValueRange ( std::optional< RColumnDescriptor::RValueRange > valueRange )

inline

Definition at line 1473 of file RNTupleDescriptor.hxx.

Member Data Documentation

fColumn

RColumnDescriptor ROOT::Internal::RColumnDescriptorBuilder::fColumn = RColumnDescriptor()

private

Definition at line 1415 of file RNTupleDescriptor.hxx.

Libraries for ROOT::Internal::RColumnDescriptorBuilder:

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

• tree/ntuple/inc/ROOT/RNTupleDescriptor.hxx
• tree/ntuple/src/RNTupleDescriptor.cxx