syntax = "proto3";
package eu.zettoit.graph;

message Object{
  string namespace = 1;
  string id = 2;
}
message ObjectSet{
  Object object = 1;
  string relation = 2;
}


message Relation{
  oneof src{
    Object object = 1;
    ObjectSet object_set = 2;
  }
  ObjectSet dst = 3;
}