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Posted by Floyd Marinescu on Apr 23, 2007 11:08 AM
OdeToCode.com's Scott Allan is interviewed by David Totzke on Windows Workflow Foundation, recorded a year ago at VSLive Toronto. Scott talks about the capabilities of Windows Workflow foundation, how it integrates into application development, how Microsoft is using WWF in its own products, DSLs and WWF, and architectural pattterns possible with WWF.I think Windows Workflow is going to be the execution engine. There's certainly the ability to write a lot of code inside of a Workflow, to actually put implementation code inside of a Workflow. I don't think that is going to be the most flexible approach, it's not going to be the best architecture. Workflow has the ability to communicate back to the host process and receive events from the host process during the lifetime of a Workflow through well defined interfaces. You literally define an interface that has public methods and the public events and you tell the Workflow "this is what you're going to be working with". Let's say I'm building a Workflow to download the log files from a web server. I can certainly create activities that do the ftp transfer, the parsing of the log files that do the insertion into the database. But ultimately I think you want to keep those jobs into separate components. The Workflow is really just the shell that says "here's the process we follow, here are the rules". It calls back to the host process which does a lot of the work.Have any InfoQ readers had a chance to use Windows Workflow yet, if so, what were your experiences?
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This is the last of a set of interviews recorded before InfoQ launched less than 12 months ago. We decided to still publish it as most of the advice and scenarios decsribed by Scott are fairly timeless and the interview is still a great introduction to WPF for those who don't know that much about it.
there are lots of cases where you're going to want Windows Workflow just to be the driver, the logic The tip is very useful for the soltion I'm trying to found in WWF. Thanks!
Michael Mah analyzes the development process in 5 companies: 2 Agile (one of them BMC) and 3 classic. He presents the factors which contributed to the success of BMC's Agile adoption.
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