我也被卡住了,然后我意识到我需要在 CreateRelationship 方法中指定源节点引用参数的类型参数。
在此示例中,我创建了关系。我还没有更新关系。
披露(它在我的机器上作为运行 Visual Studio 2012,YMMV 的控制台应用程序工作)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using Neo4jClient;
namespace Neo4jClientExample
{
class MyConsoleProgram
{
private GraphClient Client {get;set; }
static void Main(string[] args)
{
try{
GraphClient client = new GraphClient(new Uri("http://localhost:7474/db/data"));
client.Connect();
Us us = new Us { Name = "We are Us" };
NodeReference<Us> usRef = client.Create(us);
Console.WriteLine("us node.id: {0}", usRef.Id);
var queryUs = client.Cypher.Start("n", "node(" + usRef.Id + ")").Return<Node<Us>>("n");
Console.WriteLine("Us node name: {0}\n", queryUs.Results.AsEnumerable<Node<Us>>().First().Data);
AllYourBase allYourBase = new AllYourBase { Name = "We are all your base" };
NodeReference<AllYourBase> allYourBaseRef = client.Create(allYourBase);
Console.WriteLine("AllYourBase node.id: {0}",allYourBaseRef.Id);
var queryAllYourBase = client.Cypher.Start("n", "node(" + allYourBaseRef.Id + ")").Return<Node<AllYourBase>>("n");
Console.WriteLine("AllYourBase node name: {0}\n", queryAllYourBase.Results.AsEnumerable<Node<AllYourBase>>().First().Data);
RelationshipReference areBelongToRef = client.CreateRelationship(allYourBaseRef, new AreBelongTo(usRef));
var query = client.Cypher.Start("allyourbase", "node(" + allYourBaseRef.Id + ")").Match("allyourbase-[:ARE_BELONG_TO]->us").Return<Node<AllYourBase>>("allyourbase");
query.ExecuteWithoutResults();
Console.WriteLine("Result of querying for all your base that belongs to us: {0}", query.Results.AsEnumerable<Node<AllYourBase>>().First().Data.Name);
}
catch(Exception ex)
{
Console.WriteLine("{0}", ex.Message);
Console.WriteLine("{0}", ex.InnerException);
}
Console.ReadKey();
}
}
public class Us
{
public string Name {get; set;}
public Us()
{
}
}
public class AllYourBase
{
public string Name { get; set; }
public AllYourBase()
{
}
}
public class AreBelongTo : Relationship, IRelationshipAllowingSourceNode<AllYourBase>,
IRelationshipAllowingTargetNode<Us>
{
public AreBelongTo(NodeReference targetNode)
: base(targetNode)
{}
public const string TypeKey = "ARE_BELONG_TO";
public override string RelationshipTypeKey
{
get { return TypeKey; }
}
}