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ROOT::RClusterDescriptor::RPageInfo Class Reference
RNTuple-related classes

Information about a single page in the context of a cluster's page range.

Definition at line 369 of file RNTupleDescriptor.hxx.

Public Member Functions

 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

bool fHasChecksum = false
 If true, the 8 bytes following the serialized page are an xxhash of the on-disk page data.
 
RNTupleLocator fLocator
 The meaning of fLocator depends on the storage backend.
 
std::uint32_t fNElements = std::uint32_t(-1)
 The sum of the elements of all the pages must match the corresponding fNElements field in fColumnRanges
 

#include <ROOT/RNTupleDescriptor.hxx>

Inheritance diagram for ROOT::RClusterDescriptor::RPageInfo:
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Constructor & Destructor Documentation

◆ RPageInfo() [1/2]

ROOT::RClusterDescriptor::RPageInfo::RPageInfo ( )
default

◆ RPageInfo() [2/2]

ROOT::RClusterDescriptor::RPageInfo::RPageInfo ( std::uint32_t nElements,
const RNTupleLocator & locator,
bool hasChecksum )
inline

Definition at line 380 of file RNTupleDescriptor.hxx.

Member Function Documentation

◆ GetLocator() [1/2]

RNTupleLocator & ROOT::RClusterDescriptor::RPageInfo::GetLocator ( )
inline

Definition at line 394 of file RNTupleDescriptor.hxx.

◆ GetLocator() [2/2]

const RNTupleLocator & ROOT::RClusterDescriptor::RPageInfo::GetLocator ( ) const
inline

Definition at line 393 of file RNTupleDescriptor.hxx.

◆ GetNElements()

std::uint32_t ROOT::RClusterDescriptor::RPageInfo::GetNElements ( ) const
inline

Definition at line 390 of file RNTupleDescriptor.hxx.

◆ HasChecksum()

bool ROOT::RClusterDescriptor::RPageInfo::HasChecksum ( ) const
inline

Definition at line 397 of file RNTupleDescriptor.hxx.

◆ operator==()

bool ROOT::RClusterDescriptor::RPageInfo::operator== ( const RPageInfo & other) const
inline

Definition at line 385 of file RNTupleDescriptor.hxx.

◆ SetHasChecksum()

void ROOT::RClusterDescriptor::RPageInfo::SetHasChecksum ( bool hasChecksum)
inline

Definition at line 398 of file RNTupleDescriptor.hxx.

◆ SetLocator()

void ROOT::RClusterDescriptor::RPageInfo::SetLocator ( const RNTupleLocator & locator)
inline

Definition at line 395 of file RNTupleDescriptor.hxx.

◆ SetNElements()

void ROOT::RClusterDescriptor::RPageInfo::SetNElements ( std::uint32_t n)
inline

Definition at line 391 of file RNTupleDescriptor.hxx.

Member Data Documentation

◆ fHasChecksum

bool ROOT::RClusterDescriptor::RPageInfo::fHasChecksum = false
private

If true, the 8 bytes following the serialized page are an xxhash of the on-disk page data.

Definition at line 376 of file RNTupleDescriptor.hxx.

◆ fLocator

RNTupleLocator ROOT::RClusterDescriptor::RPageInfo::fLocator
private

The meaning of fLocator depends on the storage backend.

Definition at line 374 of file RNTupleDescriptor.hxx.

◆ fNElements

std::uint32_t ROOT::RClusterDescriptor::RPageInfo::fNElements = std::uint32_t(-1)
private

The sum of the elements of all the pages must match the corresponding fNElements field in fColumnRanges

Definition at line 372 of file RNTupleDescriptor.hxx.

Collaboration diagram for ROOT::RClusterDescriptor::RPageInfo:
[legend]
The documentation for this class was generated from the following file: