DataSourceController.h

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/* -*- mode: c++ -*- */

#ifndef _DataSourceController_H_
#define _DataSourceController_H_

#include "DataSourceException.h"

#include "pattern/Observer.h"

#ifdef _MSC_VER
#include <msdevstudio/MSconfig.h>
#endif

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

class DataSource;
class Observable;

class MDL_HIPPOPLOT_API DataSourceController : private hippodraw::Observer
{

private:

  static DataSourceController * s_instance;


  DataSourceController();

  DataSourceController ( const DataSourceController & );

  typedef std::vector < DataSource * > DataSourceList_t;

  DataSourceList_t m_tuples;

  std::vector <  DataSource * > m_ds_files;

  mutable std:: vector < std::string > m_names;

  mutable std::vector < DataSource * > m_ntuples;

  std::string m_base_name;

  int m_suffix;

public:

  static DataSourceController * instance ();

  virtual void update ( const Observable * );

  void willDelete ( const Observable * observee );

  int indexOfDataSource ( const std::string & name ) const;

  DataSource * findDataSource ( const std::string & name ) 
    const throw ( DataSourceException );

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

  void changeName ( const std::string & oldname, 
                    const std::string & newname );


  const std::vector < DataSource * > &
  getDataSources ( bool all = true ) const;

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

  void registerDataSourceFile ( DataSource * ds );

  std::string registerNTuple ( DataSource * nt );

  void registerNTuple ( const std::string &, DataSource * ntuple );

  void unregisterNTuple ( const DataSource * nt );

  bool isSaved ( const std::string & name );

};

#endif // _DataSourceController_H_

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