loader_factory.h

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#ifndef STORAGES_RT_MUTABLE_GRAPH_LOADER_LOADER_FACTORY_H_
#define STORAGES_RT_MUTABLE_GRAPH_LOADER_LOADER_FACTORY_H_
 
#include <memory>
#include "flex/storages/rt_mutable_graph/loader/i_fragment_loader.h"
#include "flex/storages/rt_mutable_graph/loading_config.h"
 
namespace gs {
 
class LoaderFactory {
 public:
  using loader_initializer_t = std::shared_ptr<IFragmentLoader> (*)(
      const std::string& work_dir, const Schema& schema,
      const LoadingConfig& loading_config);
 
  static void Init();
 
  static void Finalize();
 
  static std::shared_ptr<IFragmentLoader> CreateFragmentLoader(
      const std::string& work_dir, const Schema& schema,
      const LoadingConfig& loading_config);
 
  static bool Register(const std::string& scheme_type,
                       const std::string& format_type,
                       loader_initializer_t initializer);
 
 private:
  static std::unordered_map<std::string, loader_initializer_t>&
  getKnownLoaders();
};
}  // namespace gs
 
#endif  // STORAGES_RT_MUTABLE_GRAPH_LOADER_LOADER_FACTORY_H_