#ifndef DATA_SOURCE_FACTORY_H_
#define DATA_SOURCE_FACTORY_H_

#include "infrastructure/data_source/Data_Source.hpp"
#include <inttypes.h>

namespace infrastructure {

  template <typename Data_Source_Type>
  class Data_Source_Factory {
  public:

    static Data_Source_Factory<Data_Source_Type>* get_Factory ();

    Data_Source_Type* get_String_Source ();

    Data_Source_Type* get_Memory_Source ();

    Data_Source_Type* get_Graph_Source ();

  private:

    Data_Source_Factory (){}

    static Data_Source_Factory<Data_Source_Type>* m_instance;    
  };


  class Data_Source_Factory_Creator {
  public:

    /* The Data_Source produce by the factory will be of the same type
       (memory passing, file passing or database passing).
    */
    void init (const uint32_t type);

    /*
     * If type is FILE, return a Data_Source_Factory<File_Data_Source>
     * Else if type is MEMORY, return a Data_Source_Factory<Memory_Data_Source>
     * Else if type is DATABASE, return a Data_Source_Factory<Database_Data_Source>
     */
    static Data_Source_Factory* get_Factory ();

  private:

    Data_Source_Factory_Creator();



    static uint32_t m_type;
  };

} /* namespace infrastructure */

#endif /* DATA_SOURCE_FACTORY_H_ */