RootController.h

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/* -*- c++ -*- */

#ifndef RootController_H
#define RootController_H

#include "pattern/libhippo.h"

#include <map>
#include <string>
#include <vector>

class DataSource;
class RootNTuple;
class TFile;
class TTree;

class MDL_HIPPOPLOT_API RootController
{

 private:

  std::map < std::string, TFile * > m_file_map;

  std::vector < std::string > m_ntuple_names;

  mutable std::string m_version;

  static RootController * s_instance;

  TFile * openFile ( const std::string & name );

  void closeFile ( const std::string & name );

 public:

  static RootController * instance ();

  virtual ~RootController();


  const std::string & version () const;

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

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

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

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

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

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

};

#endif // RootController_H

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