ROOT::Internal::TTreeView Class Reference

Definition at line 48 of file TTreeProcessorMT.hxx.

Public Member Functions
	TTreeView (std::string_view fn, std::string_view tn)
	Constructor based on a file name. More...
	TTreeView (const std::vector< std::string_view > &fns, std::string_view tn)
	Constructor based on a collection of file names. More...
	TTreeView (TTree &tree)
	Constructor based on a TTree. More...
	TTreeView (TTree &tree, TEntryList &entries)
	Constructor based on a TTree and a TEntryList. More...
	TTreeView (const TTreeView &view)
	Copy constructor. More...
TTree::TClusterIterator	GetClusterIterator ()
	Get the cluster iterator for the current tree of this view, starting from entry zero. More...
Long64_t	GetEntries () const
	Get the number of entries of the current tree of this view. More...
size_t	GetNumFiles () const
	Get the number of files of this view. More...
std::unique_ptr< TTreeReader >	GetTreeReader (Long64_t start, Long64_t end)
	Get a TTreeReader for the current tree of this view. More...
void	SetCurrent (unsigned int i)
	Set the current file and tree of this view. More...

Private Member Functions
void	Init ()
	Initialize the file and the tree for this view, first looking for a tree in the file if necessary. More...

Private Attributes
TEntryList	fCurrentEntryList
	Entry numbers for the current range being processed. More...
std::unique_ptr< TFile >	fCurrentFile
	! Current file object of this view. More...
unsigned int	fCurrentIdx
	! Index of the current file. More...
TTree *	fCurrentTree
	! Current tree object of this view. More...
std::vector< TEntryList >	fEntryLists
	Entry numbers to be processed per tree/file. More...
std::vector< std::string >	fFileNames
	Names of the files. More...
std::string	fTreeName
	Name of the tree. More...

#include <ROOT/TTreeProcessorMT.hxx>

Constructor & Destructor Documentation

TTreeView() [1/5]

ROOT::Internal::TTreeView::TTreeView ( std::string_view  fn, std::string_view  tn  )

inline

Constructor based on a file name.

Parameters

[in]	fn	Name of the file containing the tree to process.
[in]	tn	Name of the tree to process. If not provided, the implementation will automatically search for a tree in the file.

Definition at line 99 of file TTreeProcessorMT.hxx.

TTreeView() [2/5]

ROOT::Internal::TTreeView::TTreeView ( const std::vector< std::string_view > &  fns, std::string_view  tn  )

inline

Constructor based on a collection of file names.

Parameters

[in]	fns	Collection of file names containing the tree to process.
[in]	tn	Name of the tree to process. If not provided, the implementation will automatically search for a tree in the collection of files.

Definition at line 111 of file TTreeProcessorMT.hxx.

TTreeView() [3/5]

ROOT::Internal::TTreeView::TTreeView ( TTree &  tree )

inline

Constructor based on a TTree.

Parameters

[in]

tree

Tree or chain of files containing the tree to process.

Definition at line 127 of file TTreeProcessorMT.hxx.

TTreeView() [4/5]

ROOT::Internal::TTreeView::TTreeView ( TTree &  tree, TEntryList &  entries  )

inline

Constructor based on a TTree and a TEntryList.

Parameters

[in]	tree	Tree or chain of files containing the tree to process.
[in]	entries	List of entry numbers to process.

Definition at line 159 of file TTreeProcessorMT.hxx.

TTreeView() [5/5]

ROOT::Internal::TTreeView::TTreeView ( const TTreeView &  view )

inline

Copy constructor.

Parameters

[in]

view

Object to copy.

Definition at line 194 of file TTreeProcessorMT.hxx.

Member Function Documentation

GetClusterIterator()

TTree::TClusterIterator ROOT::Internal::TTreeView::GetClusterIterator ( )

inline

Get the cluster iterator for the current tree of this view, starting from entry zero.

Definition at line 208 of file TTreeProcessorMT.hxx.

GetEntries()

Long64_t ROOT::Internal::TTreeView::GetEntries ( ) const

inline

Get the number of entries of the current tree of this view.

Definition at line 243 of file TTreeProcessorMT.hxx.

GetNumFiles()

size_t ROOT::Internal::TTreeView::GetNumFiles ( ) const

inline

Get the number of files of this view.

Definition at line 250 of file TTreeProcessorMT.hxx.

GetTreeReader()

std::unique_ptr<TTreeReader> ROOT::Internal::TTreeView::GetTreeReader ( Long64_t  start, Long64_t  end  )

inline

Get a TTreeReader for the current tree of this view.

Definition at line 215 of file TTreeProcessorMT.hxx.

Init()

void ROOT::Internal::TTreeView::Init ( void  )

inlineprivate

Initialize the file and the tree for this view, first looking for a tree in the file if necessary.

Definition at line 61 of file TTreeProcessorMT.hxx.

SetCurrent()

void ROOT::Internal::TTreeView::SetCurrent ( unsigned int  i )

inline

Set the current file and tree of this view.

Definition at line 257 of file TTreeProcessorMT.hxx.

Member Data Documentation

fCurrentEntryList

TEntryList ROOT::Internal::TTreeView::fCurrentEntryList

private

Entry numbers for the current range being processed.

Definition at line 56 of file TTreeProcessorMT.hxx.

fCurrentFile

std::unique_ptr<TFile> ROOT::Internal::TTreeView::fCurrentFile

private

! Current file object of this view.

Definition at line 52 of file TTreeProcessorMT.hxx.

fCurrentIdx

unsigned int ROOT::Internal::TTreeView::fCurrentIdx

private

! Index of the current file.

Definition at line 54 of file TTreeProcessorMT.hxx.

fCurrentTree

TTree* ROOT::Internal::TTreeView::fCurrentTree

private

! Current tree object of this view.

Definition at line 53 of file TTreeProcessorMT.hxx.

fEntryLists

std::vector<TEntryList> ROOT::Internal::TTreeView::fEntryLists

private

Entry numbers to be processed per tree/file.

Definition at line 55 of file TTreeProcessorMT.hxx.

fFileNames

std::vector<std::string> ROOT::Internal::TTreeView::fFileNames

private

Names of the files.

Definition at line 50 of file TTreeProcessorMT.hxx.

fTreeName

std::string ROOT::Internal::TTreeView::fTreeName

private

Name of the tree.

Definition at line 51 of file TTreeProcessorMT.hxx.

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

• tree/treeplayer/inc/ROOT/TTreeProcessorMT.hxx