item.js

sc_require('models/item');

McAdmin.Item.FIXTURES = [
   { href: "/",
     name: "Inventory",
		 guid: "SOMEGUID0",
		 mimetype: "application/x-folder",
		 version: 1,
		 properties: [],
		 relationships: [],
		 children: [
		 	'SOMEGUID1',
			'SOMEGUID2',
			'SOMEGUID3'
		 ],
		 parent: []},
	 { href: "/Ops",
	   name: "Ops",
		 guid: "SOMEGUID1",
		 mimetype: "application/x-folder",
		 version: 1,
		 properties: [],
		 relationships: [],
		 parent: ['SOMEGUID0'],
		 children: [
		 	'SOMEGUID2',
			'SOMEGUID3'
		 ] },
	 { href: "/Ops/Net",
	   name: "Net",
		 guid: "SOMEGUID2",
		 mimetype: "application/x-folder",
		 version: 1,
		 properties: [],
		 relationships: [],
		 parent: ['SOMEGUID1'],
		 children: [] }, 
	 { href: "/Ops/Host",
	   name: "Host",
		 guid: "SOMEGUID3",
		 mimetype: "application/x-folder",
		 version: 1,
		 properties: [],
		 relationships: [],
		 parent: ['SOMEGUID1'],
		 children: [] }, 
	 { href: "/Sys",
	   name: "Sys",
		 guid: "SOMEGUID4",
		 mimetype: "application/x-folder",
		 version: 1,
		 properties: [],
		 relationships: [],
		 parent: ['SOMEGUID0'],
		 children: [] },
	 { href: "/Client",
	   name: "Client",
		 guid: "SOMEGUID5",
		 mimetype: "application/x-folder",
		 version: 1,
		 properties: [],
		 relationships: [],
		 parent: ['SOMEGUID0'],
		 children: [] }	 
];

itemrecord.js

McAdmin.Item = SC.Record.extend(
/** @scope McAdmin.Item.prototype */ {

  // TODO: Add your own code here.
	href: SC.Record.attr(String),
	name: SC.Record.attr(String),
	guid: SC.Record.attr(String),
	mimetype: SC.Record.attr(String),
	version: SC.Record.attr(Number),
	properties: SC.Record.attr(Array),
	relationships: SC.Record.attr(Array),
	primaryKey: "href",


	children: SC.Record.toMany('McAdmin.Item', {inverse: "parent", isMaster: YES }),
	parent: SC.Record.toOne('McAdmin.Item', {inverse: "children", isMaster: NO })
});