pool::RootCollection::RNTCollectionCursor Class Reference

#include <Rootcollection/RNTCollectionCursor.h>

Inheritance diagram for pool::RootCollection::RNTCollectionCursor:

Collaboration diagram for pool::RootCollection::RNTCollectionCursor:

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

Protected Attributes
const ICollectionDescription &	m_description
RNTupleReader *	m_RNTReader
std::unique_ptr< REntry >	m_RNTEntry
	RNtuple row with Field addresses set to collectionRowBuffer attributes. More...
pool::CollectionRowBuffer	m_collectionRowBuffer
	Row buffer containing Tokens and Attributes selected by query. More...
std::vector< std::pair< Token *, std::string > >	m_tokens
	"Token rowBuffer" for reading Tokens as strings and converting them later More...
int	m_idx
bool	m_dummyRef

Detailed Description

An interface used to navigate the result of a query on a collection stored in RNTuple

Definition at line 38 of file RNTCollectionCursor.h.

Constructor & Destructor Documentation

RNTCollectionCursor()

pool::RootCollection::RNTCollectionCursor::RNTCollectionCursor	(	const pool::ICollectionDescription &	description,
		const pool::CollectionRowBuffer &	collectionRowBuffer,
		RNTupleReader *	reader
	)

~RNTCollectionCursor()

virtual pool::RootCollection::RNTCollectionCursor::~RNTCollectionCursor ( )

virtual

Member Function Documentation

close()

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

overridevirtual

Cleanup.

Implements pool::ICollectionCursor.

currentRow()

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

overridevirtual

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

Implements pool::ICollectionCursor.

eventRef()

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

overridevirtual

Returns the event reference Token for the current row.

Implements pool::ICollectionCursor.

next()

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

overridevirtual

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

Implements pool::ICollectionCursor.

seek()

virtual bool pool::RootCollection::RNTCollectionCursor::seek ( long long int  position )

overridevirtual

Seeks the cursor to a given position in the collection.

Implements pool::IPositionSeek.

size()

virtual int pool::RootCollection::RNTCollectionCursor::size ( )

overridevirtual

Return the size of the collection.

Member Data Documentation

m_collectionRowBuffer

pool::CollectionRowBuffer pool::RootCollection::RNTCollectionCursor::m_collectionRowBuffer

protected

Row buffer containing Tokens and Attributes selected by query.

Definition at line 80 of file RNTCollectionCursor.h.

m_description

const ICollectionDescription& pool::RootCollection::RNTCollectionCursor::m_description

protected

Definition at line 72 of file RNTCollectionCursor.h.

m_dummyRef

bool pool::RootCollection::RNTCollectionCursor::m_dummyRef

protected

Definition at line 86 of file RNTCollectionCursor.h.

m_idx

int pool::RootCollection::RNTCollectionCursor::m_idx

protected

Definition at line 85 of file RNTCollectionCursor.h.

m_RNTEntry

std::unique_ptr< REntry > pool::RootCollection::RNTCollectionCursor::m_RNTEntry

protected

RNtuple row with Field addresses set to collectionRowBuffer attributes.

Definition at line 77 of file RNTCollectionCursor.h.

m_RNTReader

RNTupleReader* pool::RootCollection::RNTCollectionCursor::m_RNTReader

protected

Definition at line 74 of file RNTCollectionCursor.h.

m_tokens

std::vector< std::pair< Token*, std::string > > pool::RootCollection::RNTCollectionCursor::m_tokens

protected

"Token rowBuffer" for reading Tokens as strings and converting them later

Definition at line 83 of file RNTCollectionCursor.h.

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

• RNTCollectionCursor.h