SepiaGroup / Neo4jRestNet

.Net Wrapper for Neo4j REST Interface

Neo4jRestNet

.Net wrapper for the Neo4j REST server

Documentation

Quick Start

Configuration:

<configuration>
    <configSections>
		<section name="neo4jRestNet" type="Neo4jRestNet.Configuration.ConnectionSettings, Neo4jRestNet" />
	</configSections>

	<neo4jRestNet>
		<databases>
			<add name="neo4j" default="true" https="false" domain="localhost" port="7474" />
		</databases>
	</neo4jRestNet>

    <!-- Only needed if you are using the encryption class -->    
	<appSettings>
		<add key="EncryptIdKey" value="KeyForEncrypting"/>
		<add key="EncryptIdIV" value="IVForEncrypting1"/>
	</appSettings>
</configuration>

Examples:

Get Root Node:

Node RootNode = Node.GetRootNode();

Create a Node with no Properties

Node node = Node.CreateNode();

Create a Node with Properties

Properties prop = new Properties();
prop.SetProperty(NodeProperty.FirstName, "Joe");
prop.SetProperty(NodeProperty.LastName, "Smith");
Node nodeUserWithName = Node.CreateNode(prop);

Create Relationships to Nodes

RootNode.CreateRelationshipTo(nodeUserWithName, "Likes");

Create Relationship with Properties

Properties RelProp = new Properties();
RelProp.SetProperty("CustomRelProp", "CustomPropValue");
nodeUserWithName.CreateRelationshipTo(node, "Knows", RelProp);

Gremlin

Get Like relationships from the Root Node

IEnumerable<Node> LikeNodes = Gremlin.Post<Node>(RootNode.Id, "out('Likes')");

Same as above

IEnumerable<Node> SameLikeNodes = Gremlin.Post<Node>(new GremlinScript(RootNode).Out(RelationshipType.Likes.ToString()));

More Gremlin example

GremlinScript script = new GremlinScript(RootNode);
script.OutE()
        .InV()
        .OutE()
        .Filter(it => it.getProperty(RelationshipProperty.Name.ToString()) == "MyRelationship");

IEnumerable<Relationship> myRelationship = Gremlin.Post<Relationship>(script);`

Gremlin returning a datatable

GremlinScript tblScript = new GremlinScript();
tblScript.NewTable("t")
                .gV(RootNode)   
                .Out(RelationshipType.Likes.ToString())
                .As("Like")
                .Table("t", new List<string>{ "Like" })
                .Append(" >> -1; t;");

DataTable dt = Gremlin.GetTable(tblScript);