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WF: State Machine Persistence WorkFlow

Posted on 2010-11-29
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Last Modified: 2012-05-10
HI!

I need some design help.

I have a state machine that I need to restart when the workflow is done. I do not need to save the current states (pause the state machine) just rerun it from the start.

why I need this is becase the load of a new instance takes to long so I need to build the sate machine and when a user press start I need it to execute the state machine  directly without any delay of creating a new instanceand and when the user press start again I want to rerun it, and so on.

How do I do this?

Must I use the SqlWorkflowPersistenceService even if  I just want to restart it from the beginning? Or is there a easyer way to do it then?
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Question by:AWestEng
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existenz2 earned 2000 total points
ID: 34246219
Workflows are not designed to do this and it will give you all kinds of problems. You could however build a form of cache pool with a limited amount of new workflows waiting to be used. Everytime a new workflow is taken from the cache pool, you can asynchronisally put a new workflow into the pool to ensure that the pool does not end up without any prepared workflows.

It's a bit like a queueing mechanism or a car plant. Workflows are never fast and will always have a delay. There is no way to fix this, as this is by nature in any kind of workflow in any system. It's just the users perception which is the problem.
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