insert_transaction.h

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#ifndef GRAPHSCOPE_DATABASE_INSERT_TRANSACTION_H_
#define GRAPHSCOPE_DATABASE_INSERT_TRANSACTION_H_
 
#include <limits>
 
#include "flex/storages/rt_mutable_graph/schema.h"
#include "flex/storages/rt_mutable_graph/types.h"
#include "flex/utils/allocators.h"
#include "flex/utils/property/types.h"
#include "grape/serialization/in_archive.h"
 
namespace gs {
 
class MutablePropertyFragment;
class IWalWriter;
class VersionManager;
class GraphDBSession;
 
class InsertTransaction {
 public:
  std::string run(const std::string& cypher,
                  const std::map<std::string, std::string>& params);
 
  InsertTransaction(const GraphDBSession& session,
                    MutablePropertyFragment& graph, Allocator& alloc,
                    IWalWriter& logger, VersionManager& vm,
                    timestamp_t timestamp);
 
  ~InsertTransaction();
 
  bool AddVertex(label_t label, const Any& id, const std::vector<Any>& props);
 
  bool AddEdge(label_t src_label, const Any& src, label_t dst_label,
               const Any& dst, label_t edge_label, const Any& prop);
 
  bool Commit();
 
  void Abort();
 
  timestamp_t timestamp() const;
 
  static void IngestWal(MutablePropertyFragment& graph, uint32_t timestamp,
                        char* data, size_t length, Allocator& alloc);
 
  const Schema& schema() const;
 
  const GraphDBSession& GetSession() const;
 
 private:
  void clear();
 
  static bool get_vertex_with_retries(MutablePropertyFragment& graph,
                                      label_t label, const Any& oid,
                                      vid_t& lid);
  const GraphDBSession& session_;
 
  grape::InArchive arc_;
 
  std::set<std::pair<label_t, Any>> added_vertices_;
 
  MutablePropertyFragment& graph_;
 
  Allocator& alloc_;
  IWalWriter& logger_;
  VersionManager& vm_;
  timestamp_t timestamp_;
};
 
}  // namespace gs
 
#endif  // GRAPHSCOPE_DATABASE_INSERT_TRANSACTION_H_