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Neo4j Adapter

Neo4j adapter is a simple javascript library which provides easy and intuitive API to interact with Neo4j graph db. It is available in client side javascript and nodejs flavors.

Table of contents

• Quick start
• Nodes
• Relationships
• Properties
• Labels
• Traversing
• Cypher
• Batch

Quick start

To use it on client side:

• Simply include the javascript library, neo4jadapter.js, in your html page.

<script src="neo4jadapter.js" type="text/javascript"></script>

To use it in your node project:

• Copy the neo4j folder in node_modules folder, and include neo4j

var neo4j = require('neo4j').neo4j

Nodes

Get node with id 1:

var gurl = 'http://localhost:7474';

neo4j.node(1).adapter().load(gurl).done(function(node){
 // access node here
});

Delete node with id 1:

var gurl = 'http://localhost:7474';

neo4j.node(1, {del: true}).adapter().load(gurl).done(function(node){
 
});

Relationships

Get all node relationships:

var gurl = 'http://localhost:7474';

neo4j.node(1).rels().adapter().load(gurl).done(function(ret){
 // access all node relationships
});

Get node relationship with id 100:

var gurl = 'http://localhost:7474';

neo4j.node(1).rels(100).adapter().load(gurl).done(function(ret){
 // access all node relationship with id 100
});

Get all node relationships of type 'KNOWS':

var gurl = 'http://localhost:7474';

neo4j.node(1).rels("KNOWS").adapter().load(gurl).done(function(ret){
 // access node relationships of type "KNOWS"
});

Get all 'incoming' relationship of type 'KNOWS' to a node:

var gurl = 'http://localhost:7474';

neo4j.node(1).rels("KNOWS", { dir: "in" }).adapter().load(gurl).done(function(ret){
 // access node relationships of type "KNOWS" as incoming relationship
});

Get all 'outgoing' relationship of type 'KNOWS' to a node:

var gurl = 'http://localhost:7474';

neo4j.node(1).rels("KNOWS", { dir: "out" }).adapter().load(gurl).done(function(ret){
 // access node relationships of type "KNOWS" as outgoing relationship
});

Delete all relationship of type 'KNOWS' to a node:

var gurl = 'http://localhost:7474';

neo4j.node(1).rels("KNOWS", { dir: 'all', del: true }).adapter().load(gurl).done(function(ret){
 
});

Get all relationship of type 'KNOWS':

var gurl = 'http://localhost:7474';

neo4j.rels("KNOWS", { dir: 'all' }).adapter().load(gurl).done(function(ret){
 
});

Properties

To access node properties:

var gurl = 'http://localhost:7474';

neo4j.node(1).props().adapter().load(gurl).done(function(ret){
 // access all node properties
});

To access node property with name 'foo':

neo4j.node(1).props("foo").adapter().load(gurl).done(function(ret){
 // access node property with name 'foo'
});