用Neo4jClient增加索引的关系

Question

将关系添加到Neo4jClient中已经创建的关系索引的语法是什么？

我找到了下面的post (Adding a relationship to an index in neo4jclient)，但它只说明语法类似于节点，但是CreateRelationship方法没有支持插入索引关系的签名。

对Neo4jClient的任何帮助都是非常感谢的。

Answer 1

您可以使用ReIndex命令来完成它：

if(!GraphClient.CheckIndexExists("relatedto", IndexFor.Relationship))
    GraphClient.CreateIndex("relatedto", ExactIndex, IndexFor.Relationship);

var simple1 = new Simple {Value = "simple_1"};
var simple2 = new Simple { Value = "simple_2" };

var s1Ref = GraphClient.Create(simple1);
var s2Ref = GraphClient.Create(simple2);

var relationship = new RelatedTo(s2Ref){RelationshipValue = "indexed_" + s1Ref.Id};

var relRef = GraphClient.CreateRelationship(s1Ref, relationship);

//Adding to the index
GraphClient.ReIndex(relRef, new []{new IndexEntry("relatedto"){{"value", relationship.RelationshipValue}}});

Console.WriteLine("Use this in N4J Data Browser: rel:index:relatedto:value:{0}", relationship.RelationshipValue);