June 15, 2006

Session 6: Statefull Web Control Flows (SWF)

4 parts to each request

– constant URL ( I wonder if we should stop using a query param to identify the page to operate on)

– task execution key – identifies instance of flow to execute

– event ID – outcome of current step

– task input – data needed to continue processing

Implication of having a single URL: Clients (i.e. HTML) has no knowledge of it's position in the flow. form's ACTION does not affect where the flow will progress to next

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