Ron Jacobs

Windows Workflow Foundation

Posts
  • Ron Jacobs

    AppFabric WCF HTTP Service Template

    • 8 Comments
    Windows Communication Foundation (WCF) is Microsoft’s unified programming model for building service-oriented applications. Windows Server AppFabric provides tools for managing and monitoring your web services and workflows. WCF HTTP Service is a service...
  • Ron Jacobs

    Want to be an Architect? Learn to think like one

    • 1 Comments
    So you are thinking about becoming an architect are you? People often ask me how to become an architect. My typical answer is that the best way to become an architect is to start acting like one. To help you with this I spend my life interviewing architects...
  • Ron Jacobs

    Hello World - its Enterprise Library

    • 9 Comments
    Now would be a good time to start my day...if I were in London where it is 10:46 GMT but here I am at 2:46 wide awake writing my blog. I'm sorry I can't help it but I am really pumped about Enterprise Library and the great work that Tom, Bill, Scott,...
  • Ron Jacobs

    WCF and AppFabric Auto-Start

    • 0 Comments
    Auto-start is a really cool feature of Windows Server AppFabric. Recently I was asked about how you can do some kind of process initialization in your code with Auto-start (which the documentation implies that you can do). This led to a discussion with...
  • Ron Jacobs

    How To Load WF4 Workflow Services from a Database with IIS/AppFabric

    • 2 Comments
    This morning I saw a message post on the .NET 4 Windows Workflow Foundation Forum titled Load XAMLX from database .  I’ve been asked this question many times. How can I store my Workflow Service definitions (xamlx files) in a database with IIS and...
  • Ron Jacobs

    How to handle the trailing slash in a WCF HTTP Service

    • 0 Comments
    The other day I got this tweet from Adam @ronljacobs anyway to do something like: [WebGet(UriTemplate = "{id}", IgnoreTrailingSlash = true)] want {id} and {id}/  to be the same Off hand I didn’t know the answer but now that I’m back from...
  • Ron Jacobs

    How to eliminate tempuri.org from your service WSDL

    • 0 Comments
    tempuri.org is the default namespace applied to WCF Services and Workflow Services.  You can and should specify your service namespace. It is recommended that you explicitly specify a name and namespace for the service contract, and an action for...
  • Ron Jacobs

    Today's Learning: ReplicatorActivity

    • 4 Comments
    Did I mention that I'm not the worlds leading expert on Windows Workflow Foundation?  Well if I didn't please allow me to say it again. Like you I'm just learning a lot of new stuff.  To get my arms around WF I'm reading the book Windows Workflow...
  • Ron Jacobs

    Podcasts here we come!

    • 1 Comments
    There are some things that are just plain old fun... Take webcasts for example. I have had a ball doing the patterns & practices live webcasts every Thursday. So much fun in fact that I have now become the regular host for the show. Yes...I said show...
  • Ron Jacobs

    Blog Spam!

    • 5 Comments
    This is getting downright annoying... As if the spammers haven't already done enough damage to the internet, now they are attacking my blog! Yep - this really annoying dude keeps posting replies to my blog entries with links to his stupid website with...
  • Ron Jacobs

    Some more thinking about open source projects

    • 9 Comments
    Wow - any time you mention open source, you touch a nerve don't you... First off - just because I work for Microsoft doesn't mean that I am against open source. In fact, I work in a team that builds class libraries and shares the source with the community...
  • Ron Jacobs

    Why am I still at the office?

    • 1 Comments
    That's what my family wants to know... Well, what can I say - it seems like we are all working longer these days. I'm working hard to get ready for the Enterprise Library Applied webcast tomorrow and I posted another podcast with tales from the Delta...
  • Ron Jacobs

    Unit Testing Activities with Windows Workflow Foundation

    • 2 Comments
    The other day somebody asked me about unit testing activities without writing a test workflow.  While it might be possible to unit test some of the business logic that the class does outside of a workflow it seems to me that you need to test these...
  • Ron Jacobs

    Ready to learn WF/WCF 4?

    • 3 Comments
    Tomorrow Visual Studio 2010 and .NET 4 beta 1 will be available for everyone to download.  I’ve been keeping quiet about the work I’ve been up to for the last month and a half while we got some great resources ready for you. Ok – I let some of this...
  • Ron Jacobs

    How to Unit Test WF4 Workflows

    • 5 Comments
    Recently I asked you to vote on topics you want to see on endpoint.tv . Coming in at #3 was this question on how to Unit Test WF4 Workflows. Because Workflows range from very simple activities to long and complex multi-step processes this can be a...
  • Ron Jacobs

    WCF Data Services (OData) and eliminating the .SVC file

    • 7 Comments
    After my previous post where I showed you how you can eliminate the .SVC extension from your URI someone asked me another good question. When I add the route I can access the service from the route and the path to the SVC file.  Can I block the path...
  • Ron Jacobs

    How to create a WF4 WorkflowServiceHostFactory for AppFabric Auto-Start

    • 4 Comments
    Sometimes when using Windows Workflow Foundation (WF4) you need to create a custom WorkflowServiceHostFactory.  There are a couple of main reasons why you would want to do this. To configure the WorklfowServiceHost in some way like adding an extension...
  • Ron Jacobs

    VSLive Reflections

    • 6 Comments
    As I write this I’m riding BART on my way to SFO to fly back to Seattle . I spent two days here in San Francisco where I had a chance to meet and talk with a number of fascinating people. The theme of this trip is Enterprise Library and the excitement...
  • Ron Jacobs

    Inside the Delta Lounge with the Enterprise Library Dev team

    • 0 Comments
    Ever wonder about how our dev team works? A few months back, the conference room across from my office was literally taken over and crammed full of developers and testers working on Enterprise Library. I know most of you think that everyone has their...
  • Ron Jacobs

    Retargeting Visual Studio Test Projects for .NET 4 Platform Update 1.

    • 0 Comments
    If you are using .NET 4 Platform Update 1 to do unit testing you may encounter this dialog box when you try to change the target framework of your test project Tip: You can press Ctrl+C on a message box to copy the text to the clipboard.  If you...
  • Ron Jacobs

    Have to go back to Windows Vista

    • 3 Comments
    After this week when I do my final keynote for the MSDN Developer Conference in Detroit I'm going to have to go back to Windows Vista.  Not that this is a terrible fate but I've become quite fond of Windows 7 lately.  However, I've run into...
  • Ron Jacobs

    WF4: Passing Arguments to Activities

    • 0 Comments
    In Windows Workflow Foundation .NET 4 (WF4) everything is an Activity .  That is a class that inherits from System.Activities.Activity.  Activities can have in, out or in/out arguments and do their work then the Activity.Execute () method is...
  • Ron Jacobs

    WF4 Workflow Services–Can you use the Same Operation more than once?

    • 1 Comments
    Thanks to Jean-Sebastien who contacted me with this question. Imagine you have the following service contract 1: public interface IBaseMyServiceContract 2: { 3: [OperationContract] 4: string CallAMethod( string correlationHandle, string...
  • Ron Jacobs

    How to make the WF4 Batch Worker Autostart

    • 2 Comments
    Today on endpoint.tv I showed how to create a workflow service that can do background work on a scheduled basis (The sample code is posted here ). In the example I showed a web UI that allows you to start the job by clicking on a submit button. Somebody...
  • Ron Jacobs

    Unit Testing Workflows–Testing Activities with Bookmarks

    • 0 Comments
    In my previous post I showed you how to test simple activities using WorkflowInvoker. While this is a great way to test simple activities it does have limitations. The MSDN documentation states WorkflowInvoker does not allow instance control such...
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