Posts Tagged ‘.net’

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Introducing Fluent WCF

March 31st, 2009

About 2 weeks ago Simon and I started to work on building a fluent interface to configure WCF. Our main aim in doing so is to cover the the scenarios of configuring Services and Clients 80% (or 20%) of the time.

Our goals at this stage are

  1. Services over Basic HTTP or TCP
  2. Either No Security and Windows Transport Security
  3. No message level Security
  4. Include Service Meta Data

What this should enable us to do on the Service Host end would look like

var host = new WCFHost()
        .AtAddress("http://localhost:8080/")
        .UsingContract(typeof (IHelloService))
        .WithBinding(new BasicHttpBinding())
        .EnableMex()
        .Start();

I expect more on this shortly.

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Posted in .net, Development, WCF

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LINQ To SQL – Needs our support.

October 31st, 2008

A While back Ian Cooper blogged about the need for active development of LINQ To SQL, he had this to say

As a community, as people begin to realize the suprising power of LINQ to SQL, I would like to see us dispel many of the myths that seem to have grown up around that product. I would like to see us put pressure on the Data Platform team to provide the support for LINQ to SQL that we want going forward. Community reaction is everything and if the LINQ to SQL community remains silent in the face of the more vocal, but probably less numerous, EF community, we won’t get the product we deserve

David Hayden has made a call to Microsoft to Open Source the development of LINQ to SQL in response to the ADO.NET Teams announcement on the future of the Entity Framework and its forgotten other LINQ To SQL.

The ADO.net team says that they will improve LINQ to SQL based on community feedback then there is please head what David Hayden and Ian Cooper are saying.

Simon Segal has previously made a Save LINQ to SQL badge which apart from bring really cool is apt.

So if you want to keep POCO objects free of the IPOCO interface (at least in V1 of EF), I would ask the Data Dudes to set LINQ To SQL Free as per David Hayden’s Suggestion.

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Posted in .net, c#, enity framework

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Flickrlight – Silverlight 2 compatible Flickr API

October 26th, 2008

In learning Silverlight 2 I needed some self imposed tasks, one such task was to build a simple Flickr image browser, among other things. In doing so as most people would I found a .net Flicker API called FlickrNet. However when you try to add a reference to FlickrNet from my Silverlight 2 project I encountered a few issues with projects not loading. However after some research and hacking I was able to . Converting the project was the easy part but it was going to be just too hard to get the entire library working because of its reliance on a lot of calls to methods that are not available in the Silverlight Core CLR.

Therefore I have had to strip the existing FlickrNet functionality down, I have decided to christen it Flickrlight and now have a simple working demo of the Flickr Browser Application.

Flickrlight Demo

  The code is fairly similar to what FlickrNet, for those of you who are familiar with the existing API.

   1: private void btnGetPhoto_Click(object sender, RoutedEventArgs e)
   2: {
   3:     PhotoSearchOptions pso = new PhotoSearchOptions();
   4:     pso.Tags = feedURL.Text;
   5:     Photo p = new Photo();
   6:     p.ApiKey = ApiKey;
   7:     p.Secret = SharedSecret;
   8:     p.OnResponseCompleted += p_OnResponseCompleted;
   9:     p.BeginPhotosSearch(pso);
  10: }

One of the few changes is that the calls being made are Asynchronous and hence require the subscription to the Completed Event.

   1: private void p_OnResponseCompleted(FlickrResponseRecievedCompleteEventArgs<FlickrBase> e)
   2: {
   3:     Action bindToList = () => imageList.ItemsSource = ((Photos)e.ResultValue).PhotoCollection;
   4:     this.Dispatcher.BeginInvoke(bindToList);
   5: }

 

At this stage all I have done was to begin to move the Search for Photos functionality, however over the next few weeks I will move some more of this functionality across. I will also make Flickrlight available on Codeplex (unless someone tells me otherwise). Seeing as this will be my first foray into the world of open source if anyone has any experience with what I should be doing here, your help will be greatly appreciated.

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Posted in .net, silverlight

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The Devils work, in SILVERLIGHT

October 25th, 2008

Hopefully that got your attention. But its not really the devils work. Simon has this theory about why video games and how its the devils work an opinion I do not fully share. Everything in moderation I say including moderation. Anyway I digress , The ninemsn crew has posted a fantastic video of the game QUAKE being ported to SILVERLIGHT yes SILVERLIGHT.

QuakeLight Preview Video

Adam Kinney has a interview with the developer Julien Frelat about the process. I hope we get to see more in the near future.

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Posted in .net, silverlight

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Microsoft Distributed Application Server aka Dublin

October 2nd, 2008

Mary-Jo shares some of her insight into some of the news around Oslo that may be announced around PDC 08. What interests me is that in my last post I speculated that the Process Server could be some sort of service bus implementation, which seems to be spot on. Yes “Dublin” is the code name for Microsoft’s Distributed Application Server, but hey is that not just a fancy name for or .

I guess when PDC rolls around in a few weeks and more news around what Oslo is and when the bits roll out to developers and architects to see, touch, feel and smell what the CSD and Dev Division guys have come up with is when the real questions need to be asked. All well and good to speculate, I just hope that some parts of the Oslo effort will touch on some of my desires.

 

UPDATE: Mike Taulty has posted links to a whitepaper and a screencast that explain more details about .net 4.0

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Posted in Architecture, Oslo

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.net Framework 4.0

September 8th, 2008

Based on Kavita and Wenlong’s posts (they work with Doug Purdy and Don Box) the .net framework v4 is going to be the building blocks for Oslo.

With .net 4 they are not touting it to be a additive release like 3.0 and 3.5.  Wenlog says that 4.0 will be the next major release since 2.0,

  • Major improvements for WCF and WF
  • Built in dynamic language support
  • adding support for a new language (dynamic) for Oslo’s “model driven” programming

But to get the full picture we are going to have to wait for PDC, when the first CTP bits should be available. I can only predict exciting times ahead, as always more things to learn, I guess its time to open Robert Pickering’s book

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Posted in .net, Oslo

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What is Oslo?

September 8th, 2008

Oslo has been shrouded in a lot of mystery. Most information on the about Oslo is still speculation. When people think Oslo they think

  • Biztalk V Next
  • Emacs.net
  • Microsoft ESB
  • All of the above and more…

IMHO I believe it to be everything and more, but what proof did i have to support it? Well Doug Purdy announced on his blog about hiring for This raises the question of why another IDE/Text Editor when Visual Studio is very powerful, unless you have tried working with XAML. I digress.

Last night there was posts from Doug Purdy and Don Box that began to unveil bits of what make Oslo.

Doug Describes it as three simple things.

  • A tool that helps people define and interact with models in a rich and visual manner
  • A language that helps people create and use textual domain-specific languages and data models
  • A relational repository that makes models available to both tools and platform components

and Don says that Olso is being created with a couple of intentions

1. We’re making it easier for people to write things down in ways that make sense for the domain they are working in – the common term for this in the wild is modeling.

2. We’re making the things people wrote down accessible to platform components during program execution.

 

Based on this I would take a punt and say that Oslo is going to create a platform for developers to create DSL’s that will be stored in a repository, this DSL is then retrieved and consumed by a visual tool to create on the fly mash-ups of their domain. The key part here is that the visual tool will be something that can be used by Information Workers, Business Analysts, and Project Consultants.

I imagine it to be a tool that enables these Information Workers to use some of Oslo’s features much like using Visio, but instead of static elements there are dynamic objects drawn from the repository that perform a specific business purpose, when put together by the domain expert enables them to perform a task that would have required a developer to perform otherwise.

This is something that is peeking my interest. Wow I can imagine every medium to large business needing something like this. I cant wait for PDC anymore, I just wish I could be there, then again that’s what a Webcast is for.

Doug calls this the “end of the beginning” of his vision of enabling everyone to be a programmer if they can pull something like this of then he may be correct. But I will wait and hold my judgement till I can play with the Bits that should be available at

 

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Posted in .net, Architecture, Oslo

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