E LT O N S T O N E M A N , U KC S U G : A P R I L 2 0 1 3

NON-MICROSOFT TECHNOLOGIES

MICROSOFT IS EMBRACING

AGENDA

• JSON• JavaScript• NoSQL• Node.js• AMQP

JSON

• Serialization format• “JavaScript Object Notation”• Concise, human-readable, interoperable• No schema

XML<vehicle xmlns=“http://schemas.xyz.com/vehicles”>

<makeCode>audi</makeCode><modelCode>a3</modelCode>

</vehicle>JSON{ "modelCode": "a3", "makeCode": "audi"}

JSON: WHY SHOULD I CARE?

• Performance• Interop (json.org)• Ease of access• Modernity

MICROSOFT AND JSON

• Available in WCF from Fx 3.5• DataContractJsonSerializer• WebHttpBinding

• First-class option in ASP.NET Web API• MVC 4 & Fx 4.5• 3rd party JSON.NET library

JSON IN .NET

• WCF Demo

JSON IN .NET

• WCF Demo – Recap• Explicit in service definition• [WebGet(UriTemplate="makes", ResponseFormat= WebMessageFormat.Json)]

• Hard to customise

JSON IN .NET

• ASP.NET WebApi Demo

JSON IN .NET

• ASP.NET WebApi Demo - Recap• Implicitly available, by client request• Accept: application/json

• Easily customisable

JAVASCRIPT

• Weakly-typed OO language• Interpreted, browser runtime• Event loop & callback mechanism

window.setInterval(function() { document.getElementById("container").innerHTML+='<p>More</p>';}, 500);

function writeMore() { document.getElementById("container").innerHTML+='<p>More</p>';}

window.setInterval(writeMore, 500);

JsFiddle

JsFiddle

JAVASCRIPT: WHY SHOULD I CARE?

• Rapid development/prototyping• Widen API reach• Single codebase for JS runtimes• Web apps and mobile apps

• Inherently async• Server-side applications

MICROSOFT AND JAVASCRIPT

• jQuery in ASP.NET + IntelliSense• Knockout (MVVM), modernizr (HTML5)

• TypeScript• Superset of JavaScript, adds type-safety, class

& interface definition• Compiler generates pure JS• Eases learning curve from .NET• VS plugin (and Vim, Emacs) + WebEssentials• Pre-dates ECMAScript 6

JAVASCRIPT

• TypeScript Demo

FROM TYPESCRIPT

module ApiClient { export class Vehicles {

getModels(makeCode: string) { return 'someJSON'; };

static baseUrl = 'http://localhost/Sixeyed.CarValet.Services/VehicleService.svc'; }}

var client: ApiClient.Vehicles = new ApiClient.Vehicles;var models = client.getModels('rover');

• TypeScript Demo - Recap

TO JAVASCRIPT

var ApiClient;(function (ApiClient) { var Vehicles = (function () { function Vehicles() { } Vehicles.prototype.getModels = function (makeCode) { return 'someJSON'; }; Vehicles.baseUrl = 'http://localhost/Sixeyed.CarValet.Services/VehicleService.svc'; return Vehicles; })(); ApiClient.Vehicles = Vehicles; })(ApiClient || (ApiClient = {}));var client = new ApiClient.Vehicles();var models = client.getModels('rover');

JsFiddle

NOSQL

• “Not-only SQL” -> document databases• No schema, collections of objects• Mature products• Rich, efficient querying (+LINQ)• Indexing• Map/reduce

NOSQL: WHY SHOULD I CARE?

• Easy access, REST+JSON• Cloud integration – Shared Database• Accelerated delivery• Fewer moving parts• Simpler solution • Simpler maintenance

• Performance & scale-out

MICROSOFT AND NOSQL

• SQL Azure beta -> Table Storage• NoSQL, with limitations

• MongoLabs Azure Add-On• MongoDB hosted on Azure

NOSQL

• MongoDB Demo

NOSQL

• MongoDB Demo – Recap• Azure Add-On, NuGet driver• GetServer().GetDatabase().GetCollection<

>()• LINQ• Wrapper class• BSON ObjectId

NODE.JS

• JavaScript platform• Built on Google’s JS runtime

• Server • Websites• Accelerators• Gateways

NODE.JS: WHY SHOULD I CARE?

• Single-threaded, non-blocking, async• Efficient & scalable

• Large, dedicated community• Rich package management (NPM)• Leading-edge – Socket.io, MongoDB

MICROSOFT AND NODE.JS

• IISNode• IIS Express, Node.js extension for IIS7

• Node.js on Azure

NODE.JS

• FormatService Demo

NODE.JS

• FormatService Demo – Recap• Simple HTTP server• Require modules (internal/external)• JS async model – passing callbacks

• Hosted on Azure websites• Git publishing• Platform agnostic

AMQP

• Advanced Messaging Queuing Protocol• Interopable, standards-based wire protocol• Fast, durable, scalable• History & heavy usage in finance industry

• Industry adopters• RabbitMQ - VMWare • Apache Qpid• Windows Azure Service Bus

AMQP: WHY SHOULD I CARE?

• Rich functionality & messaging patterns• Interoperable MQ standard• Ignore protocol, focus on message

• Multiple providers• Choose your cloud (StormMQ…)

• BUT• Few full AMQP providers • And notable missing parties (SQS, ZeroMQ)

• How interoperable?• Traction?

MICROSOFT AND AMQP

• v1.0 launch (2011)• AMQP support for Azure Service Bus • Queue, topic, subscription

• Limited client support…

AMQP

• Node.js + RabbitMQ Demo

AMQP

• Node.js + RabbitMQ Demo Recap• 3rd party AMQP module• Built for RabbitMQ

• RabbitMQ .NET client library• Durable messaging• Multiple consumers

AMQP

• Node.js + Service Bus Queues Demo

AMQP

• Node.js + Service Bus Queues Demo – Recap• Azure Node.js module• AMQP module doesn’t connect to Azure

• Azure .NET Client Library• RabbitMQ client library doesn’t connect to

Azure

CONTACT

• elton@sixeyed.com• http://geekswithblogs.net/eltonstoneman