ROOT::Experimental::TTreeReaderFast::Iterator_t Class Reference

Definition at line 45 of file TTreeReaderFast.hxx.

Public Types
using	const_pointer = const Long64_t *
using	difference_type = Long_t
using	iterator_category = std::input_iterator_tag
using	pointer = const Long64_t *
using	reference = const Long64_t &
using	value_type = const Long64_t

Public Member Functions
	Iterator_t ()
	Default-initialize the iterator as "past the end".
	Iterator_t (TTreeReaderFast &reader, Long64_t first)
	Initialize the iterator with the reader it steers and a tree entry number; -1 is invalid.
bool	operator!= (const Iterator_t &lhs) const
	Compare two iterators for inequality.
Long64_t	operator* ()
	Set the entry number in the reader and return it.
Long64_t	operator* () const
Iterator_t &	operator++ ()
	Increment the iterator (prefix ++i).
Iterator_t	operator++ (int)
	Increment the iterator (postfix i++).
bool	operator== (const Iterator_t &lhs) const
	Compare two iterators for equality.

Private Member Functions
bool	IsValid () const
	Whether the iterator points to a valid entry.

Private Attributes
Int_t	fCount {0}
	Number of entries inside this cluster.
Long64_t	fEntry {-1}
	Entry number of the tree referenced by this iterator; -1 is invalid.
Int_t *	fIdx {nullptr}
	Current offset inside this cluster.
TTreeReaderFast *	fReader {nullptr}
	The reader we select the entries on.

#include <ROOT/TTreeReaderFast.hxx>

Member Typedef Documentation

const_pointer

using ROOT::Experimental::TTreeReaderFast::Iterator_t::const_pointer = const Long64_t *

Definition at line 60 of file TTreeReaderFast.hxx.

difference_type

using ROOT::Experimental::TTreeReaderFast::Iterator_t::difference_type = Long_t

Definition at line 58 of file TTreeReaderFast.hxx.

iterator_category

using ROOT::Experimental::TTreeReaderFast::Iterator_t::iterator_category = std::input_iterator_tag

Definition at line 56 of file TTreeReaderFast.hxx.

pointer

using ROOT::Experimental::TTreeReaderFast::Iterator_t::pointer = const Long64_t *

Definition at line 59 of file TTreeReaderFast.hxx.

reference

using ROOT::Experimental::TTreeReaderFast::Iterator_t::reference = const Long64_t &

Definition at line 61 of file TTreeReaderFast.hxx.

value_type

using ROOT::Experimental::TTreeReaderFast::Iterator_t::value_type = const Long64_t

Definition at line 57 of file TTreeReaderFast.hxx.

Constructor & Destructor Documentation

Iterator_t() [1/2]

ROOT::Experimental::TTreeReaderFast::Iterator_t::Iterator_t ( )

inline

Default-initialize the iterator as "past the end".

Definition at line 64 of file TTreeReaderFast.hxx.

Iterator_t() [2/2]

ROOT::Experimental::TTreeReaderFast::Iterator_t::Iterator_t ( TTreeReaderFast &  reader, Long64_t  first  )

inline

Initialize the iterator with the reader it steers and a tree entry number; -1 is invalid.

Definition at line 68 of file TTreeReaderFast.hxx.

Member Function Documentation

IsValid()

bool ROOT::Experimental::TTreeReaderFast::Iterator_t::IsValid ( ) const

inlineprivate

Whether the iterator points to a valid entry.

Definition at line 53 of file TTreeReaderFast.hxx.

operator!=()

bool ROOT::Experimental::TTreeReaderFast::Iterator_t::operator!= ( const Iterator_t &  lhs ) const

inline

Compare two iterators for inequality.

Definition at line 84 of file TTreeReaderFast.hxx.

operator*() [1/2]

Long64_t ROOT::Experimental::TTreeReaderFast::Iterator_t::operator* ( )

inline

Set the entry number in the reader and return it.

Definition at line 113 of file TTreeReaderFast.hxx.

operator*() [2/2]

Long64_t ROOT::Experimental::TTreeReaderFast::Iterator_t::operator* ( ) const

inline

Definition at line 117 of file TTreeReaderFast.hxx.

operator++() [1/2]

Iterator_t & ROOT::Experimental::TTreeReaderFast::Iterator_t::operator++ ( )

inline

Increment the iterator (prefix ++i).

Definition at line 96 of file TTreeReaderFast.hxx.

operator++() [2/2]

Iterator_t ROOT::Experimental::TTreeReaderFast::Iterator_t::operator++ ( int  )

inline

Increment the iterator (postfix i++).

Definition at line 89 of file TTreeReaderFast.hxx.

operator==()

bool ROOT::Experimental::TTreeReaderFast::Iterator_t::operator== ( const Iterator_t &  lhs ) const

inline

Compare two iterators for equality.

Definition at line 77 of file TTreeReaderFast.hxx.

Member Data Documentation

fCount

Int_t ROOT::Experimental::TTreeReaderFast::Iterator_t::fCount {0}

private

Number of entries inside this cluster.

Definition at line 48 of file TTreeReaderFast.hxx.

fEntry

Long64_t ROOT::Experimental::TTreeReaderFast::Iterator_t::fEntry {-1}

private

Entry number of the tree referenced by this iterator; -1 is invalid.

Definition at line 49 of file TTreeReaderFast.hxx.

fIdx

Int_t* ROOT::Experimental::TTreeReaderFast::Iterator_t::fIdx {nullptr}

private

Current offset inside this cluster.

Definition at line 47 of file TTreeReaderFast.hxx.

fReader

TTreeReaderFast* ROOT::Experimental::TTreeReaderFast::Iterator_t::fReader {nullptr}

private

The reader we select the entries on.

Definition at line 50 of file TTreeReaderFast.hxx.