ROOT::Experimental::Internal::ML::RNTupleBatchSink Class Reference

Writes batches into an RNTuple, as one float field per scalar column and one std::vector<float> field per vector column.

Definition at line 100 of file RBatchSink.hxx.

Public Member Functions
	RNTupleBatchSink (const RNTupleBatchSink &)=delete
	RNTupleBatchSink (RNTupleBatchSink &&)=delete
	RNTupleBatchSink (std::string_view dataset_name, std::string_view filename, std::vector< RColumnLayout > layout)
	~RNTupleBatchSink () 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.
RNTupleBatchSink &	operator= (const RNTupleBatchSink &)=delete
RNTupleBatchSink &	operator= (RNTupleBatchSink &&)=delete

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

Private Attributes
std::vector< float * >	fDestinations
std::vector< std::shared_ptr< float > >	fScalarFields
std::vector< std::shared_ptr< std::vector< float > > >	fVectorFields
std::unique_ptr< ROOT::RNTupleWriter >	fWriter

#include <ROOT/ML/RBatchSink.hxx>

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

Constructor & Destructor Documentation

RNTupleBatchSink() [1/3]

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

Definition at line 79 of file RBatchSink.cxx.

RNTupleBatchSink() [2/3]

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

delete

RNTupleBatchSink() [3/3]

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

delete

~RNTupleBatchSink()

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

overridedefault

Member Function Documentation

Commit()

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

overridevirtual

Flush everything to disk once after the last batch.

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

Definition at line 111 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::RNTupleBatchSink::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 104 of file RBatchSink.cxx.

operator=() [1/2]

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

delete

operator=() [2/2]

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

delete

Member Data Documentation

fDestinations

std::vector<float *> ROOT::Experimental::Internal::ML::RNTupleBatchSink::fDestinations

private

Definition at line 103 of file RBatchSink.hxx.

fLayout

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

protectedinherited

Definition at line 52 of file RBatchSink.hxx.

fRowWidth

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

protectedinherited

Definition at line 53 of file RBatchSink.hxx.

fScalarFields

std::vector<std::shared_ptr<float> > ROOT::Experimental::Internal::ML::RNTupleBatchSink::fScalarFields

private

Definition at line 101 of file RBatchSink.hxx.

fVectorFields

std::vector<std::shared_ptr<std::vector<float> > > ROOT::Experimental::Internal::ML::RNTupleBatchSink::fVectorFields

private

Definition at line 102 of file RBatchSink.hxx.

fWriter

std::unique_ptr<ROOT::RNTupleWriter> ROOT::Experimental::Internal::ML::RNTupleBatchSink::fWriter

private

Definition at line 104 of file RBatchSink.hxx.

Libraries for ROOT::Experimental::Internal::ML::RNTupleBatchSink:

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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