ROOT::Experimental::Internal::ML::RTTreeBatchSink Class Reference

Writes batches into a TTree, as one float leaf per scalar column and one std::vector<float> branch per vector column, matching the RNTuple sink's schema.

Definition at line 80 of file RBatchSink.hxx.

Public Member Functions
	RTTreeBatchSink (const RTTreeBatchSink &)=delete
	RTTreeBatchSink (RTTreeBatchSink &&)=delete
	RTTreeBatchSink (std::string_view dataset_name, std::string_view filename, std::vector< RColumnLayout > layout)
	~RTTreeBatchSink () override
void	Commit () override
	Flush everything to disk once after the last batch.
void	FillBatch (const RFlat2DMatrix &batch)
	Write every row of batch.
void	FillRow (const float *row) override
	Copy one row of fRowWidth floats into the writer's buffers and write the entry.
RTTreeBatchSink &	operator= (const RTTreeBatchSink &)=delete
RTTreeBatchSink &	operator= (RTTreeBatchSink &&)=delete

Protected Attributes
std::vector< RColumnLayout >	fLayout
std::size_t	fRowWidth {}

Private Attributes
std::unique_ptr< TFile >	fFile
std::vector< float >	fRow
TTree *	fTree
std::vector< std::vector< float > >	fVectorBuffers

#include <ROOT/ML/RBatchSink.hxx>

Inheritance diagram for ROOT::Experimental::Internal::ML::RTTreeBatchSink:

Constructor & Destructor Documentation

RTTreeBatchSink() [1/3]

ROOT::Experimental::Internal::ML::RTTreeBatchSink::RTTreeBatchSink	(	std::string_view	dataset_name,
		std::string_view	filename,
		std::vector< RColumnLayout >	layout )

Definition at line 36 of file RBatchSink.cxx.

RTTreeBatchSink() [2/3]

ROOT::Experimental::Internal::ML::RTTreeBatchSink::RTTreeBatchSink ( const RTTreeBatchSink & )

delete

RTTreeBatchSink() [3/3]

ROOT::Experimental::Internal::ML::RTTreeBatchSink::RTTreeBatchSink ( RTTreeBatchSink && )

delete

~RTTreeBatchSink()

ROOT::Experimental::Internal::ML::RTTreeBatchSink::~RTTreeBatchSink ( )

overridedefault

Member Function Documentation

Commit()

void ROOT::Experimental::Internal::ML::RTTreeBatchSink::Commit ( )

overridevirtual

Flush everything to disk once after the last batch.

Implements ROOT::Experimental::Internal::ML::RBatchSink.

Definition at line 74 of file RBatchSink.cxx.

FillBatch()

void ROOT::Experimental::Internal::ML::RBatchSink::FillBatch ( const RFlat2DMatrix & batch )

inherited

Write every row of batch.

Definition at line 25 of file RBatchSink.cxx.

FillRow()

void ROOT::Experimental::Internal::ML::RTTreeBatchSink::FillRow ( const float * row )

overridevirtual

Copy one row of fRowWidth floats into the writer's buffers and write the entry.

Implements ROOT::Experimental::Internal::ML::RBatchSink.

Definition at line 61 of file RBatchSink.cxx.

operator=() [1/2]

RTTreeBatchSink & ROOT::Experimental::Internal::ML::RTTreeBatchSink::operator= ( const RTTreeBatchSink & )

delete

operator=() [2/2]

RTTreeBatchSink & ROOT::Experimental::Internal::ML::RTTreeBatchSink::operator= ( RTTreeBatchSink && )

delete

Member Data Documentation

fFile

std::unique_ptr<TFile> ROOT::Experimental::Internal::ML::RTTreeBatchSink::fFile

private

Definition at line 81 of file RBatchSink.hxx.

fLayout

std::vector<RColumnLayout> ROOT::Experimental::Internal::ML::RBatchSink::fLayout

protectedinherited

Definition at line 52 of file RBatchSink.hxx.

fRow

std::vector<float> ROOT::Experimental::Internal::ML::RTTreeBatchSink::fRow

private

Definition at line 83 of file RBatchSink.hxx.

fRowWidth

std::size_t ROOT::Experimental::Internal::ML::RBatchSink::fRowWidth {}

protectedinherited

Definition at line 53 of file RBatchSink.hxx.

fTree

TTree* ROOT::Experimental::Internal::ML::RTTreeBatchSink::fTree

private

Definition at line 82 of file RBatchSink.hxx.

fVectorBuffers

std::vector<std::vector<float> > ROOT::Experimental::Internal::ML::RTTreeBatchSink::fVectorBuffers

private

Definition at line 84 of file RBatchSink.hxx.

Libraries for ROOT::Experimental::Internal::ML::RTTreeBatchSink:

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

• tree/ml/inc/ROOT/ML/RBatchSink.hxx
• tree/ml/src/RBatchSink.cxx