ROOT::Experimental::Detail::RPageStorage Class Reference

Manages tree meta-data, which is common for sinks and sources.

The tree meta-data contains of a list of fields, a unique identifier, and provenance information.

Definition at line 53 of file RPageStorage.hxx.

Classes
struct	RColumnHandle

Public Types
using	ColumnHandle_t = RColumnHandle
	The column handle identfies a column with the current open page storage. More...

Public Member Functions
	RPageStorage ()
	RPageStorage (const RPageStorage &other)=delete
virtual	~RPageStorage ()
virtual ColumnHandle_t	AddColumn (RColumn *column)=0
	Register a new column. More...
RPagePool *	GetPagePool () const
virtual EPageStorageType	GetType ()=0
RPageStorage &	operator= (const RPageStorage &other)=delete

Protected Attributes
std::unique_ptr< RPagePool >	fPagePool
	All data is shipped to and from physical storage in pages, and moderated through a page pool. More...

#include <ROOT/RPageStorage.hxx>

Inheritance diagram for ROOT::Experimental::Detail::RPageStorage:

Member Typedef Documentation

ColumnHandle_t

using ROOT::Experimental::Detail::RPageStorage::ColumnHandle_t = RColumnHandle

The column handle identfies a column with the current open page storage.

Definition at line 71 of file RPageStorage.hxx.

Constructor & Destructor Documentation

RPageStorage() [1/2]

ROOT::Experimental::Detail::RPageStorage::RPageStorage

(

)

Definition at line 22 of file RPageStorage.cxx.

RPageStorage() [2/2]

ROOT::Experimental::Detail::RPageStorage::RPageStorage ( const RPageStorage &  other )

delete

~RPageStorage()

ROOT::Experimental::Detail::RPageStorage::~RPageStorage ( )

virtual

Definition at line 26 of file RPageStorage.cxx.

Member Function Documentation

AddColumn()

virtual ColumnHandle_t ROOT::Experimental::Detail::RPageStorage::AddColumn ( RColumn *  column )

pure virtual

Register a new column.

When reading, the column must exist in the tree on disk corresponding to the meta-data. When writing, every column can only be attached once.

Implemented in ROOT::Experimental::Detail::RPageSinkRoot, and ROOT::Experimental::Detail::RPageSourceRoot.

GetPagePool()

RPagePool * ROOT::Experimental::Detail::RPageStorage::GetPagePool ( ) const

inline

Definition at line 77 of file RPageStorage.hxx.

GetType()

virtual EPageStorageType ROOT::Experimental::Detail::RPageStorage::GetType ( )

pure virtual

Implemented in ROOT::Experimental::Detail::RPageSink, and ROOT::Experimental::Detail::RPageSource.

operator=()

RPageStorage & ROOT::Experimental::Detail::RPageStorage::operator= ( const RPageStorage &  other )

delete

Member Data Documentation

fPagePool

std::unique_ptr<RPagePool> ROOT::Experimental::Detail::RPageStorage::fPagePool

protected

All data is shipped to and from physical storage in pages, and moderated through a page pool.

Definition at line 56 of file RPageStorage.hxx.

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

• tree/ntuple/v7/inc/ROOT/RPageStorage.hxx
• tree/ntuple/v7/src/RPageStorage.cxx