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Recommend design pattern for workflow application

I am developing an application in which users can perform tasks / workflows. Each task consists of a queue of actions to be performed. I want to be able to have user input after starting a workflow.

Example:

  • Task launch
    • Action1 is starting
    • Action1 ends
    • Action 2 is starting
    • Action2 ends
    • Action3 requires user input (user interface opens to get user input)
    • Action3 gets user input
    • Action 3 is starting
    • Action3 ends
  • Task assignment

I am developing this I am C # and I am aware of the Workflow Foundation and tasks in C #. They may have what I need, but I'm also interested in learning about the design template for this from scratch.

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2 answers

What you described is a Sequence Sequence Pattern .

There are more workflow templates in the "Workflow Templates" and in the MSDN Journal .

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I think the following articles will help you with the async task part:

Task Based Asynchronous Template

TPL and Traditional Asynchronous .NET Programming

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