<dependency>
  <groupId>io.github.anyzm</groupId>
  <artifactId>graph-ocean</artifactId>
  <version>1.0.0</version>
</dependency>

NebulaGraphMapper nebulaGraphMapper = nebulaGraphMapper(nebulaPoolSessionManager(
                nebulaPool(nebulaPoolConfig())));
        User user = new User("UR123", "张三");
        //保存顶点
        int i = nebulaGraphMapper.saveVertexEntities(Lists.newArrayList(user));
        //查询顶点
        List<User> users = nebulaGraphMapper.fetchVertexTag(User.class, "UR123");
        //保存边和查询边类似
        Follow follow = new Follow("UR123", "UR234", 1);
        //保存边
        nebulaGraphMapper.saveEdgeEntities(Lists.newArrayList(follow));
        //查询出边
        List<Follow> follows = nebulaGraphMapper.goOutEdge(Follow.class, "UR123");
        //查询反向边
        List<Follow> fans = nebulaGraphMapper.goReverseEdge(Follow.class, "UR123");
        //查询API
        VertexQuery query = NebulaVertexQuery.build().fetchPropOn(User.class, "UR123")
                .yield("userName");
        QueryResult rows = nebulaGraphMapper.executeQuery(query);