Athena::RootNtupleEventContext Class Reference

ROOT specific event selector context. More...

Inheritance diagram for Athena::RootNtupleEventContext:

Collaboration diagram for Athena::RootNtupleEventContext:

Public Types
typedef std::vector< std::string >	FileNames_t
	definition of the file container

Public Member Functions
	RootNtupleEventContext (const RootNtupleEventSelector *sel)
	standard c-tor with initialization
virtual	~RootNtupleEventContext ()
	standard d-tor
const FileNames_t &	files () const
virtual void *	identifier () const
	context identifier
std::size_t	fileIndex () const
	access to the file iterator
void	setFileIndex (std::size_t idx)
	set file iterator
std::size_t	tupleIndex () const
void	setTupleIndex (std::size_t idx)
int64_t	entry () const
	access to the current event entry number
void	setFID (const std::string &fid)
	set connection FID
const std::string &	fid () const
	access to the connection FID
TTree *	tree () const
	access to the tree used to iterate
void	setTree (TTree *tree)
	set the tree used to iterate

Private Attributes
const RootNtupleEventSelector *	m_evtsel
	reference to the hosting event selector instance
long	m_collIdx
	current collection index (into m_inputCollectionsName)
long	m_tupleIdx
	current tuple index (into ‘m_tupleNames’)
std::string	m_fid
	connection FID

Detailed Description

ROOT specific event selector context.

Definition at line 129 of file RootNtupleEventSelector.cxx.

Member Typedef Documentation

FileNames_t

typedef std::vector<std::string> Athena::RootNtupleEventContext::FileNames_t

definition of the file container

Definition at line 134 of file RootNtupleEventSelector.cxx.

Constructor & Destructor Documentation

RootNtupleEventContext()

Athena::RootNtupleEventContext::RootNtupleEventContext ( const RootNtupleEventSelector * sel )

inline

standard c-tor with initialization

Definition at line 152 of file RootNtupleEventSelector.cxx.

                                                             :
    m_evtsel(sel),
    m_collIdx(0),
    m_tupleIdx(0),
    m_fid("")
  {}

~RootNtupleEventContext()

virtual Athena::RootNtupleEventContext::~RootNtupleEventContext ( )

inlinevirtual

standard d-tor

Definition at line 160 of file RootNtupleEventSelector.cxx.

{}

Member Function Documentation

entry()

int64_t Athena::RootNtupleEventContext::entry ( ) const

inline

access to the current event entry number

Definition at line 185 of file RootNtupleEventSelector.cxx.

{ return m_evtsel->m_curEvt; }

fid()

const std::string & Athena::RootNtupleEventContext::fid ( ) const

inline

access to the connection FID

Definition at line 191 of file RootNtupleEventSelector.cxx.

{ return m_fid; }

fileIndex()

std::size_t Athena::RootNtupleEventContext::fileIndex ( ) const

inline

access to the file iterator

Definition at line 171 of file RootNtupleEventSelector.cxx.

  { return m_collIdx; }

files()

const FileNames_t & Athena::RootNtupleEventContext::files ( ) const

inline

Definition at line 163 of file RootNtupleEventSelector.cxx.

  { return m_evtsel->m_inputCollectionsName.value(); }

identifier()

virtual void * Athena::RootNtupleEventContext::identifier ( ) const

inlinevirtual

context identifier

Definition at line 167 of file RootNtupleEventSelector.cxx.

  { return (void*)(m_evtsel); }

setFID()

void Athena::RootNtupleEventContext::setFID ( const std::string & fid )

inline

set connection FID

Definition at line 188 of file RootNtupleEventSelector.cxx.

{ m_fid = fid; }

setFileIndex()

void Athena::RootNtupleEventContext::setFileIndex ( std::size_t idx )

inline

set file iterator

Definition at line 175 of file RootNtupleEventSelector.cxx.

  { m_collIdx = idx; }

setTree()

void Athena::RootNtupleEventContext::setTree ( TTree * tree )

inline

set the tree used to iterate

Definition at line 197 of file RootNtupleEventSelector.cxx.

                            {
    // make sure we clean-up and close the file holding
    // the previous tree, if any.
    // dont close if it is the same tree though!
    TTree *cur = m_evtsel->m_tuple;
    if (cur && tree != cur) {
      TFile *old_file = cur->GetCurrentFile();
      if (old_file) {
        old_file->Close();
      }
    }
 
    m_evtsel->m_tuple = tree; 
  }

setTupleIndex()

void Athena::RootNtupleEventContext::setTupleIndex ( std::size_t idx )

inline

Definition at line 181 of file RootNtupleEventSelector.cxx.

  { m_tupleIdx = idx; }

tree()

TTree * Athena::RootNtupleEventContext::tree ( ) const

inline

access to the tree used to iterate

Definition at line 194 of file RootNtupleEventSelector.cxx.

{ return m_evtsel->m_tuple; }

tupleIndex()

std::size_t Athena::RootNtupleEventContext::tupleIndex ( ) const

inline

Definition at line 178 of file RootNtupleEventSelector.cxx.

  { return m_tupleIdx; }

Member Data Documentation

m_collIdx

long Athena::RootNtupleEventContext::m_collIdx

private

current collection index (into m_inputCollectionsName)

Definition at line 141 of file RootNtupleEventSelector.cxx.

m_evtsel

const RootNtupleEventSelector* Athena::RootNtupleEventContext::m_evtsel

private

reference to the hosting event selector instance

Definition at line 138 of file RootNtupleEventSelector.cxx.

m_fid

std::string Athena::RootNtupleEventContext::m_fid

private

connection FID

Definition at line 147 of file RootNtupleEventSelector.cxx.

m_tupleIdx

long Athena::RootNtupleEventContext::m_tupleIdx

private

current tuple index (into ‘m_tupleNames’)

Definition at line 144 of file RootNtupleEventSelector.cxx.

---

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

• RootNtupleEventSelector.cxx