August, 2009

  • Sajay's Blog

    Concurrent Receives - MaxPendingReceives

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    Note: Cross posted from Sajay . Permalink One of the performance improvements we did with WCF 4.0 was to enable concurrent receives. This greatly helps scenarios where we need to do some kind of work like DB authentication with username passwords or...
  • Sajay's Blog

    How do I get the workflow InstanceId?

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    Note: Cross posted from Sajay . Permalink You can use a CodeActivity that returns a single result . public sealed class GetWorkflowInstanceId : CodeActivity<Guid> { protected override Guid Execute(CodeActivityContext context) { ...
  • Sajay's Blog

    WCF 4: AddDefaultEndpoints

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    Note: Cross posted from Sajay . Permalink Here is another little goodie we have which will help in reducing configuration. You can use the ServiceHostBase.AddDefaultEndpoints which will pretty much probe your service implementation for contracts and...
  • Sajay's Blog

    HTTP polling duplex - Performance

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    Note: Cross posted from Sajay . Permalink Really good article on Performance of HTTP polling duplex server-side channel in Microsoft Silverlight 3 by Tomek from the ServiceModel/SL team. http://tomasz.janczuk.org/2009/08/performance-of-http-polling...
  • Sajay's Blog

    Hello World Workflow Service 4.0

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    Note: Cross posted from Sajay . Permalink Building a workflow service using 4.0 gives a very neat set of capabilities from both WF and WCF. Similar to WCF we can fully define a workflow either in code or otherwise just using Xaml. Here I chose a fully...
  • Sajay's Blog

    Applying behaviors on the client channel

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    Note: Cross posted from Sajay . Permalink When we need to modify or see the message before its sent or after its received, we generally can use a Message inspector. However sometimes we want to be a bit more granular. One such requirement was to perform...
  • Sajay's Blog

    Channel9: Monitoring WF Services

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    Note: Cross posted from Sajay . Permalink 10-4 Episode 24: Monitoring Workflow Services by Ron Jacobs - One of the great advantages to building services with WCF and Windows Workflow 4 is that the environment is instrumented with loads of events that...
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