template<typename BinContentType>
class ROOT::Experimental::RHistConcurrentFiller< BinContentType >

A histogram filler to concurrently fill an RHist.

auto hist = std::make_shared<ROOT::Experimental::RHist<int>>(10, std::make_pair(5, 15));
{
   ROOT::Experimental::RHistConcurrentFiller filler(hist);
   auto context = filler.CreateFillContext();
   context.Fill(8.5);
}
// hist->GetBinContent(ROOT::Experimental::RBinIndex(3)) will return 1

Warning: This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!

Definition at line 39 of file RHistConcurrentFiller.hxx.

Public Member Functions
	RHistConcurrentFiller (const RHistConcurrentFiller< BinContentType > &)=delete

	RHistConcurrentFiller (RHistConcurrentFiller< BinContentType > &&)=delete

	RHistConcurrentFiller (std::shared_ptr< RHist< BinContentType > > hist)
	Create a filler object.

	~RHistConcurrentFiller ()

std::shared_ptr< RHistFillContext< BinContentType > >	CreateFillContext ()
	Create a new context for concurrent filling.

const std::shared_ptr< RHist< BinContentType > > &	GetHist () const

RHistConcurrentFiller< BinContentType > &	operator= (const RHistConcurrentFiller< BinContentType > &)=delete

RHistConcurrentFiller< BinContentType > &	operator= (RHistConcurrentFiller< BinContentType > &&)=delete

Private Attributes
std::vector< std::weak_ptr< RHistFillContext< BinContentType > > >	fFillContexts
	The list of fill contexts, for checks during destruction.

std::shared_ptr< RHist< BinContentType > >	fHist
	A pointer to the filled histogram.

std::mutex	fMutex
	Mutex to protect access to the list of fill contexts (not for filling itself!)

#include <ROOT/RHistConcurrentFiller.hxx>

Constructor & Destructor Documentation

◆ RHistConcurrentFiller() [1/3]

template<typename BinContentType >

ROOT::Experimental::RHistConcurrentFiller< BinContentType >::RHistConcurrentFiller ( std::shared_ptr< RHist< BinContentType > > hist )

inlineexplicit

Create a filler object.

Parameters

[in] hist a pointer to the histogram

Definition at line 52 of file RHistConcurrentFiller.hxx.

◆ RHistConcurrentFiller() [2/3]

template<typename BinContentType >

ROOT::Experimental::RHistConcurrentFiller< BinContentType >::RHistConcurrentFiller ( const RHistConcurrentFiller< BinContentType > & )

delete

◆ RHistConcurrentFiller() [3/3]

template<typename BinContentType >

ROOT::Experimental::RHistConcurrentFiller< BinContentType >::RHistConcurrentFiller ( RHistConcurrentFiller< BinContentType > && )

delete

◆ ~RHistConcurrentFiller()

template<typename BinContentType >

ROOT::Experimental::RHistConcurrentFiller< BinContentType >::~RHistConcurrentFiller ( )

inline

Definition at line 64 of file RHistConcurrentFiller.hxx.

Member Function Documentation

◆ CreateFillContext()

template<typename BinContentType >

std::shared_ptr< RHistFillContext< BinContentType > > ROOT::Experimental::RHistConcurrentFiller< BinContentType >::CreateFillContext ( )

inline

Create a new context for concurrent filling.

Definition at line 78 of file RHistConcurrentFiller.hxx.

◆ GetHist()

template<typename BinContentType >

const std::shared_ptr< RHist< BinContentType > > & ROOT::Experimental::RHistConcurrentFiller< BinContentType >::GetHist ( ) const

inline

Definition at line 75 of file RHistConcurrentFiller.hxx.

◆ operator=() [1/2]

template<typename BinContentType >

RHistConcurrentFiller< BinContentType > & ROOT::Experimental::RHistConcurrentFiller< BinContentType >::operator= ( const RHistConcurrentFiller< BinContentType > & )

delete

◆ operator=() [2/2]

template<typename BinContentType >

RHistConcurrentFiller< BinContentType > & ROOT::Experimental::RHistConcurrentFiller< BinContentType >::operator= ( RHistConcurrentFiller< BinContentType > && )