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C# Vertex.SetProperty方法代码示例

本文整理汇总了C#中Vertex.SetProperty方法的典型用法代码示例。如果您正苦于以下问题:C# Vertex.SetProperty方法的具体用法?C# Vertex.SetProperty怎么用?C# Vertex.SetProperty使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Vertex的用法示例。


在下文中一共展示了Vertex.SetProperty方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: ingestData

    public void ingestData()
    {
      if (Directory.Exists(Path.Combine(SessionBase.BaseDatabasePath, s_systemDir)))
        Directory.Delete(Path.Combine(SessionBase.BaseDatabasePath, s_systemDir), true); // remove systemDir from prior runs and all its databases.
      Directory.CreateDirectory(Path.Combine(SessionBase.BaseDatabasePath, s_systemDir));
      File.Copy(s_licenseDbFile, Path.Combine(SessionBase.BaseDatabasePath, s_systemDir, "4.odb"));

      using (SessionNoServer session = new SessionNoServer(s_systemDir, 5000, false, true))
      {
        session.BeginUpdate();
        session.DefaultDatabaseLocation().CompressPages = PageInfo.compressionKind.LZ4;
        Graph g = new Graph(session);

        // SCHEMA
        VertexType userType = g.NewVertexType("User");

        EdgeType friendEdgeType = g.NewEdgeType("Friend", true, userType, userType);

        PropertyType countryProperty = userType.NewProperty("country", DataType.String, PropertyKind.NotIndexed);

        PropertyType incomeProperty = userType.NewProperty("income", DataType.Long, PropertyKind.NotIndexed);

        PropertyType friendshipStartProperty = friendEdgeType.NewProperty("start", DataType.DateTime, PropertyKind.NotIndexed);

        // DATA
        int lineNumber = 0;
        long fiendsCt = 0;
        int stop = (int)Math.Pow(2, 26); // make sure to create enough of these
        for (int i = 1; i < stop; i++)
          g.NewVertex(userType);
        session.Commit();
        session.BeginUpdate();
        foreach (string line in File.ReadLines(s_inputData))
        {
          if (++lineNumber % 10000 == 0)
            Console.WriteLine("Parsing user " + lineNumber + ", friends total: " + fiendsCt + " at " + DateTime.Now);
          string[] fields = line.Split(' ');
          Vertex aUser = null;
          foreach (string s in fields)
          {
            if (s.Length > 0)
            {
              if (aUser == null)
                aUser = new Vertex(g, userType, int.Parse(s));
              else
              {
                ++fiendsCt;
                Vertex aFriend = new Vertex(g, userType, int.Parse(s));
                if (fiendsCt % 2 == 0)
                  aFriend.SetProperty(countryProperty, "Sweden"); // just some random stuff
                else
                  aFriend.SetProperty(incomeProperty, fiendsCt); // just some random stuff
                Edge edge = friendEdgeType.NewEdge(aUser, aFriend);
                if (fiendsCt % 2 == 0)
                  edge.SetProperty(friendshipStartProperty, DateTime.Now);
              }
            }
          }
          if (DataCache.MaximumMemoryUse <= 27000000000)
          {
            if (lineNumber >= 20000) // remove this condition if you have time to wait a long while...
              break;
          }
        }
        Console.WriteLine("Done importing " + lineNumber + " users with " + fiendsCt + " friends");
        session.Commit();
      }
    }
开发者ID:VelocityDB,项目名称:VelocityDB,代码行数:68,代码来源:FacebookGraph.cs


注:本文中的Vertex.SetProperty方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。