I have a WCF Workflow Service that uses a handful of code activities to update a SQL Server CE database file from a SQL Server database. There are 4 Receive and Send Reply activities. The first one creates the workflow instance. The other 3 are contained in a Pick activity and each is triggered by in incoming request to add or remove data from the database. The service uses a QueryCorrelationInitializer to correlate the requests using a an element from the content of the request.
What is the behaviour if multiple requests arrive at the Pick activity more or less simultaneously. I know one of them will restart the workflow - what happens to the other requests? Do they wait for the first one to complete and then continue in FIFO order or will they just timeout if they don't get a turn at the workflow?
