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RootController Class Reference

#include <LdfController.h>

Collaboration diagram for RootController:

Collaboration graph
[legend]
List of all members.

Detailed Description

A Controller class for ROOT files.

Bug:
@@ When changing DataSource for plot that is using a array from a column, the variable does not get expanded in the new DataSource.

Requests:
Read TH1 and TH2 histograms in ROOT file and convert to corresponding static histograms.

Author:
Paul F. Kunz <Paul_Kunz@slac.stanford.edu>

Definition at line 39 of file LdfController.h.

Public Member Functions

DataSource * createNTuple (const std::string &filename, const std::string &treename)
 Creates a RootNTuple from the file filename and TTree named treename.
DataSource * createNTuple (const std::string &name)
DataSource * createNTuple (const std::string &filename, const std::string &treename)
 Creates a RootNTuple from the file filename and TTree named treename.
DataSource * createNTuple (const std::string &name)
void fillDimSize (std::vector< int > &dims, const DataSource *source, const std::string &column)
 Fills the vector dims.
void fillDimSize (std::vector< int > &dims, const DataSource *source, const std::string &column)
 Fills the vector dims.
const std::vector< std::string > & getNTupleNames (const std::string &)
 Returns the names of the NTuple objects contained in the file name.
const std::vector< std::string > & getNTupleNames (const std::string &)
 Returns the names of the NTuple objects contained in the file name.
TTree * getTree (const std::string &file, const std::string &tree)
 Returns the named tree from file in the ROOT file.
TTree * getTree (const std::string &file, const std::string &tree)
 Returns the named tree from file in the ROOT file.
bool smartExpandRootNTuple (DataSource *source, std::string &column)
 Expands the array column.
bool smartExpandRootNTuple (DataSource *source, std::string &column)
 Expands the array column.
const std::string & version () const
 Returns the version of ROOT being used.
const std::string & version () const
 Returns the version of ROOT being used.
virtual ~RootController ()
 The destructor.
virtual ~RootController ()
 The destructor.

Static Public Member Functions

static RootController * instance ()
 Returns the singleton instance of the RootController.
static RootController * instance ()
 Returns the singleton instance of the RootController.

Private Member Functions

void closeFile (const std::string &name)
 Closed the named file, if found in list of opened files.
void closeFile (const std::string &name)
 Closed the named file, if found in list of opened files.
TFile * openFile (const std::string &name)
 Opens the named file, if not already opened.
TFile * openFile (const std::string &name)
 Opens the named file, if not already opened.

Private Attributes

std::map< std::string, TFile * > m_file_map
 The list of opened ROOT files.
std::vector< std::string > m_ntuple_names
 Temporary list of NTuple names in the file.
std::string m_version
 The version of ROOT being used.

Static Private Attributes

static RootController * s_instance
 The singleton instance of the RootController.
static RootController * s_instance = 0
 The singleton instance of the RootController.

Constructor & Destructor Documentation

RootController::~RootController (   )  [virtual]
 

The destructor.

Definition at line 48 of file LdfController.cxx.

virtual RootController::~RootController (   )  [virtual]
 

The destructor.

Member Function Documentation

void RootController::closeFile (  const std::string &  name  )  [private]
 

Closed the named file, if found in list of opened files.

void RootController::closeFile (  const std::string &  name  )  [private]
 

Closed the named file, if found in list of opened files.

Definition at line 87 of file LdfController.cxx.

References m_file_map.

DataSource* RootController::createNTuple (  const std::string &  filename,
const std::string &  treename
) 
 

Creates a RootNTuple from the file filename and TTree named treename.

DataSource* RootController::createNTuple (  const std::string &  name  ) 
 

DataSource * RootController::createNTuple (  const std::string &  filename,
const std::string &  treename
) 
 

Creates a RootNTuple from the file filename and TTree named treename.

Definition at line 137 of file LdfController.cxx.

References getTree(), and DataSourceController::instance().

DataSource * RootController::createNTuple (  const std::string &  name  ) 
 

Definition at line 161 of file LdfController.cxx.

References getNTupleNames().

void RootController::fillDimSize (  std::vector< int > &  dims,
const DataSource *  source,
const std::string &  column
) 
 

Fills the vector dims.

If the DataSource is a RootNTuple, fills the vector dim with the dimension of he column labeled column, otherwise does nothing.

void RootController::fillDimSize (  std::vector< int > &  dims,
const DataSource *  source,
const std::string &  column
) 
 

Fills the vector dims.

If the DataSource is a RootNTuple, fills the vector dim with the dimension of he column labeled column, otherwise does nothing.

Definition at line 183 of file LdfController.cxx.

const std::vector< std::string >& RootController::getNTupleNames (  const std::string &   ) 
 

Returns the names of the NTuple objects contained in the file name.

Bug:
Returns all top level names instead of only the ones that could be an NTuple.

const vector< string > & RootController::getNTupleNames (  const std::string &   ) 
 

Returns the names of the NTuple objects contained in the file name.

Bug:
Returns all top level names instead of only the ones that could be an NTuple.

Definition at line 99 of file LdfController.cxx.

References m_ntuple_names, openFile(), and num_util::size().

Referenced by createNTuple().

TTree* RootController::getTree (  const std::string &  file,
const std::string &  tree
) 
 

Returns the named tree from file in the ROOT file.

TTree * RootController::getTree (  const std::string &  file,
const std::string &  tree
) 
 

Returns the named tree from file in the ROOT file.

Definition at line 125 of file LdfController.cxx.

References openFile().

Referenced by createNTuple().

static RootController* RootController::instance (   )  [static]
 

Returns the singleton instance of the RootController.

RootController * RootController::instance (   )  [static]
 

Returns the singleton instance of the RootController.

Definition at line 35 of file LdfController.cxx.

References s_instance.

Referenced by Inspector::addDataRepButton_clicked(), Inspector::getArrayTupleLabel(), HiNTupleXML::getObject(), CanvasView::helpAbout(), QtRootController::instance(), Inspector::newPlotButton_clicked(), and QtFileDialog::openRootTuple().

TFile* RootController::openFile (  const std::string &  name  )  [private]
 

Opens the named file, if not already opened.

TFile * RootController::openFile (  const std::string &  name  )  [private]
 

Opens the named file, if not already opened.

Definition at line 62 of file LdfController.cxx.

References m_file_map.

Referenced by getNTupleNames(), and getTree().

bool RootController::smartExpandRootNTuple (  DataSource *  source,
std::string &  column
) 
 

Expands the array column.

If the DataSource is a RootNTuple, expands the column with array TLeaf and returns true, otherwise returns false.

bool RootController::smartExpandRootNTuple (  DataSource *  source,
std::string &  column
) 
 

Expands the array column.

If the DataSource is a RootNTuple, expands the column with array TLeaf and returns true, otherwise returns false.

Definition at line 195 of file LdfController.cxx.

const std::string& RootController::version (   )  const
 

Returns the version of ROOT being used.

const std::string & RootController::version (   )  const
 

Returns the version of ROOT being used.

Definition at line 54 of file LdfController.cxx.

References m_version.

Member Data Documentation

std::map< std::string, TFile * > RootController::m_file_map [private]
 

The list of opened ROOT files.

Definition at line 45 of file RootController.h.

Referenced by closeFile(), and openFile().

std::vector< std::string > RootController::m_ntuple_names [private]
 

Temporary list of NTuple names in the file.

Definition at line 49 of file RootController.h.

Referenced by getNTupleNames().

std::string RootController::m_version [mutable, private]
 

The version of ROOT being used.

Definition at line 52 of file RootController.h.

Referenced by version().

RootController* RootController::s_instance [static, private]
 

The singleton instance of the RootController.

Definition at line 56 of file RootController.h.

RootController * RootController::s_instance = 0 [static, private]
 

The singleton instance of the RootController.

Definition at line 31 of file RootController.cxx.

Referenced by instance().

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