pool::RootCollection::RNTupleCollectionCursor Class Reference

An interface used to navigate stored in RNTuple. More...

#include <Rootcollection/RNTupleCollectionCursor.h>

Inheritance diagram for pool::RootCollection::RNTupleCollectionCursor:

Collaboration diagram for pool::RootCollection::RNTupleCollectionCursor:

Public Member Functions
	RNTupleCollectionCursor (const pool::CollectionDescription &description, const pool::CollectionRowBuffer &collectionRowBuffer, ROOT::RNTupleReader *reader)
virtual bool	next () override
	Advances the cursor to the next row of the result set.
virtual const pool::CollectionRowBuffer &	currentRow () const override
	Returns the selected Tokens and Attributes for the current row of the result set.
virtual std::size_t	size () override
	Return the size of the collection.
virtual bool	seek (std::size_t position) override
	Seeks the cursor to a given position in the collection.
virtual const Token &	eventRef () const override
	Returns the event reference Token for the current row.
virtual void	close () override
	Cleanup.
virtual	~RNTupleCollectionCursor ()

Protected Attributes
const CollectionDescription &	m_description
ROOT::RNTupleReader *	m_RNTReader
std::unique_ptr< ROOT::REntry >	m_RNTEntry
	RNtuple row with Field addresses set to collectionRowBuffer attributes.
pool::CollectionRowBuffer	m_collectionRowBuffer
	Row buffer containing Tokens and Attributes.
std::string	m_tokenStr
	Temporary storage for Event Reference in string format as it is in RNTuple.
std::size_t	m_idx

Detailed Description

An interface used to navigate stored in RNTuple.

Definition at line 32 of file RNTupleCollectionCursor.h.

Constructor & Destructor Documentation

RNTupleCollectionCursor()

pool::RootCollection::RNTupleCollectionCursor::RNTupleCollectionCursor	(	const pool::CollectionDescription &	description,
		const pool::CollectionRowBuffer &	collectionRowBuffer,
		ROOT::RNTupleReader *	reader )

~RNTupleCollectionCursor()

virtual pool::RootCollection::RNTupleCollectionCursor::~RNTupleCollectionCursor ( )

virtual

Member Function Documentation

close()

virtual void pool::RootCollection::RNTupleCollectionCursor::close ( )

overridevirtual

Cleanup.

Implements pool::ICollectionCursor.

currentRow()

virtual const pool::CollectionRowBuffer & pool::RootCollection::RNTupleCollectionCursor::currentRow ( ) const

overridevirtual

Returns the selected Tokens and Attributes for the current row of the result set.

Implements pool::ICollectionCursor.

eventRef()

virtual const Token & pool::RootCollection::RNTupleCollectionCursor::eventRef ( ) const

overridevirtual

Returns the event reference Token for the current row.

Implements pool::ICollectionCursor.

next()

virtual bool pool::RootCollection::RNTupleCollectionCursor::next ( )

overridevirtual

Advances the cursor to the next row of the result set.

Implements pool::ICollectionCursor.

seek()

virtual bool pool::RootCollection::RNTupleCollectionCursor::seek ( std::size_t position )

overridevirtual

Seeks the cursor to a given position in the collection.

Implements pool::ICollectionCursor.

size()

virtual std::size_t pool::RootCollection::RNTupleCollectionCursor::size ( )

overridevirtual

Return the size of the collection.

Implements pool::ICollectionCursor.

Member Data Documentation

m_collectionRowBuffer

pool::CollectionRowBuffer pool::RootCollection::RNTupleCollectionCursor::m_collectionRowBuffer

protected

Row buffer containing Tokens and Attributes.

Definition at line 71 of file RNTupleCollectionCursor.h.

m_description

const CollectionDescription& pool::RootCollection::RNTupleCollectionCursor::m_description

protected

Definition at line 63 of file RNTupleCollectionCursor.h.

m_idx

std::size_t pool::RootCollection::RNTupleCollectionCursor::m_idx

protected

Definition at line 76 of file RNTupleCollectionCursor.h.

m_RNTEntry

std::unique_ptr< ROOT::REntry > pool::RootCollection::RNTupleCollectionCursor::m_RNTEntry

protected

RNtuple row with Field addresses set to collectionRowBuffer attributes.

Definition at line 68 of file RNTupleCollectionCursor.h.

m_RNTReader

ROOT::RNTupleReader* pool::RootCollection::RNTupleCollectionCursor::m_RNTReader

protected

Definition at line 65 of file RNTupleCollectionCursor.h.

m_tokenStr

std::string pool::RootCollection::RNTupleCollectionCursor::m_tokenStr

protected

Temporary storage for Event Reference in string format as it is in RNTuple.

Definition at line 74 of file RNTupleCollectionCursor.h.

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

• RNTupleCollectionCursor.h