ReaderRootTree Class Reference

Detailed Description

Definition at line 34 of file ReaderRootTree.h.

Inheritance diagram for ReaderRootTree:

Collaboration diagram for ReaderRootTree:

Public Member Functions
	ReaderRootTree (const std::string &filename)
	Default constructor. More...
	ReaderRootTree (const std::string &filename, const std::string &treename, const std::string &branchname)
	Constructor with tree name. More...
bool	read_event (GenEvent &evt)
	Read event from file. More...
void	close ()
	Close file stream. More...
bool	failed ()
	Get stream error state. More...
shared_ptr< GenRunInfo >	run_info () const
	Get the global GenRunInfo object. More...
shared_ptr< GenRunInfo >	run_info () const
	Get the global GenRunInfo object. More...

Data Fields
TTree *	m_tree
	Tree handler. Public to allow simple access, e.g. custom branches. More...

Protected Member Functions
void	set_run_info (shared_ptr< GenRunInfo > run)
	Set the global GenRunInfo object. More...
void	set_run_info (shared_ptr< GenRunInfo > run)
	Set the global GenRunInfo object. More...

Private Member Functions
bool	init ()
	init routine More...

Private Attributes
TFile	m_file
	File handler. More...
int	m_events_count
	Events count. Needed to read the tree. More...
GenEventData *	m_event_data
std::string	m_tree_name
std::string	m_branch_name

Constructor & Destructor Documentation

ReaderRootTree() [1/2]

ReaderRootTree

(

const std::string &

filename

)

Default constructor.

Definition at line 17 of file ReaderRootTree.cc.

References ReaderRootTree::init().

ReaderRootTree() [2/2]

ReaderRootTree	(	const std::string &	filename,
		const std::string &	treename,
		const std::string &	branchname
	)

Constructor with tree name.

Definition at line 24 of file ReaderRootTree.cc.

References ReaderRootTree::init().

Member Function Documentation

close()

void close ( )

virtual

Close file stream.

Implements Reader.

Definition at line 88 of file ReaderRootTree.cc.

References ReaderRootTree::m_file.

failed()

bool failed ( )

virtual

Get stream error state.

Implements Reader.

Definition at line 93 of file ReaderRootTree.cc.

References ReaderRootTree::m_events_count, ReaderRootTree::m_file, and ReaderRootTree::m_tree.

init()

bool init ( )

private

init routine

Definition at line 30 of file ReaderRootTree.cc.

References ReaderRootTree::m_file, ReaderRootTree::m_tree, and Reader::set_run_info().

read_event()

bool read_event ( GenEvent &  evt )

virtual

Read event from file.

Parameters

[out]

evt

Contains parsed event

Implements Reader.

Definition at line 70 of file ReaderRootTree.cc.

References GenEventData::attribute_id, GenEventData::attribute_name, GenEventData::attribute_string, GenEventData::links1, GenEventData::links2, ReaderRootTree::m_events_count, ReaderRootTree::m_tree, GenEventData::particles, GenEvent::read_data(), and GenEventData::vertices.

run_info() [1/2]

shared_ptr<GenRunInfo> run_info ( ) const

inlineinherited

Get the global GenRunInfo object.

Examples:

LHEF_example_cat.cc.

Definition at line 37 of file build/outputs/include/HepMC/Reader.h.

References Reader::m_run_info.

run_info() [2/2]

shared_ptr<GenRunInfo> run_info ( ) const

inlineinherited

Get the global GenRunInfo object.

Definition at line 37 of file include/HepMC/Reader.h.

References Reader::m_run_info.

set_run_info() [1/2]

void set_run_info ( shared_ptr< GenRunInfo >  run )

inlineprotectedinherited

Set the global GenRunInfo object.

Definition at line 44 of file build/outputs/include/HepMC/Reader.h.

References Reader::m_run_info.

set_run_info() [2/2]

void set_run_info ( shared_ptr< GenRunInfo >  run )

inlineprotectedinherited

Set the global GenRunInfo object.

Definition at line 44 of file include/HepMC/Reader.h.

References Reader::m_run_info.

Field Documentation

m_events_count

int m_events_count

private

Events count. Needed to read the tree.

Definition at line 73 of file ReaderRootTree.h.

m_file

TFile m_file

private

File handler.

Definition at line 69 of file ReaderRootTree.h.

m_tree

TTree* m_tree

Tree handler. Public to allow simple access, e.g. custom branches.

Definition at line 71 of file ReaderRootTree.h.

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

• ReaderRootTree.h
• ReaderRootTree.cc