ROOT::RClusterDescriptor::RPageInfoExtended Class Reference

Additional information about a page in an in-memory RPageRange.

Used by RPageRange::Find() to return information relative to the RPageRange. This information is not stored on disk and we don't need to keep it in memory because it can be easily recomputed.

Definition at line 358 of file RNTupleDescriptor.hxx.

Public Member Functions
	RPageInfoExtended ()=default
	RPageInfoExtended (const RPageInfo &pageInfo, ROOT::NTupleSize_t firstElementIndex, ROOT::NTupleSize_t pageNumber)
ROOT::NTupleSize_t	GetFirstElementIndex () const
ROOT::NTupleSize_t	GetPageNumber () const
void	SetFirstElementIndex (ROOT::NTupleSize_t firstInPage)
void	SetPageNumber (ROOT::NTupleSize_t pageNumber)
Public Member Functions inherited from ROOT::RClusterDescriptor::RPageInfo
	RPageInfo ()=default
	RPageInfo (std::uint32_t nElements, const RNTupleLocator &locator, bool hasChecksum)
RNTupleLocator &	GetLocator ()
const RNTupleLocator &	GetLocator () const
std::uint32_t	GetNElements () const
bool	HasChecksum () const
bool	operator== (const RPageInfo &other) const
void	SetHasChecksum (bool hasChecksum)
void	SetLocator (const RNTupleLocator &locator)
void	SetNElements (std::uint32_t n)

Private Attributes
ROOT::NTupleSize_t	fFirstElementIndex = 0
	Index (in cluster) of the first element in page.
ROOT::NTupleSize_t	fPageNumber = 0
	Page number in the corresponding RPageRange.

#include <ROOT/RNTupleDescriptor.hxx>

Inheritance diagram for ROOT::RClusterDescriptor::RPageInfoExtended:

Constructor & Destructor Documentation

RPageInfoExtended() [1/2]

ROOT::RClusterDescriptor::RPageInfoExtended::RPageInfoExtended ( )

default

RPageInfoExtended() [2/2]

ROOT::RClusterDescriptor::RPageInfoExtended::RPageInfoExtended ( const RPageInfo & pageInfo, ROOT::NTupleSize_t firstElementIndex, ROOT::NTupleSize_t pageNumber )

inline

Definition at line 367 of file RNTupleDescriptor.hxx.

Member Function Documentation

GetFirstElementIndex()

ROOT::NTupleSize_t ROOT::RClusterDescriptor::RPageInfoExtended::GetFirstElementIndex ( ) const

inline

Definition at line 372 of file RNTupleDescriptor.hxx.

GetPageNumber()

ROOT::NTupleSize_t ROOT::RClusterDescriptor::RPageInfoExtended::GetPageNumber ( ) const

inline

Definition at line 375 of file RNTupleDescriptor.hxx.

SetFirstElementIndex()

void ROOT::RClusterDescriptor::RPageInfoExtended::SetFirstElementIndex ( ROOT::NTupleSize_t firstInPage )

inline

Definition at line 373 of file RNTupleDescriptor.hxx.

SetPageNumber()

void ROOT::RClusterDescriptor::RPageInfoExtended::SetPageNumber ( ROOT::NTupleSize_t pageNumber )

inline

Definition at line 376 of file RNTupleDescriptor.hxx.

Member Data Documentation

fFirstElementIndex

ROOT::NTupleSize_t ROOT::RClusterDescriptor::RPageInfoExtended::fFirstElementIndex = 0

private

Index (in cluster) of the first element in page.

Definition at line 361 of file RNTupleDescriptor.hxx.

fPageNumber

ROOT::NTupleSize_t ROOT::RClusterDescriptor::RPageInfoExtended::fPageNumber = 0

private

Page number in the corresponding RPageRange.

Definition at line 363 of file RNTupleDescriptor.hxx.

Collaboration diagram for ROOT::RClusterDescriptor::RPageInfoExtended:

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

• tree/ntuple/v7/inc/ROOT/RNTupleDescriptor.hxx