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_