On 2/7/08, Thilina Gunarathne <[EMAIL PROTECTED]> wrote:
>
> Hi all,
> I'm trying to migrate a large distributed system[1] which uses an older
> BPEL
> *like* workflow engine to use ODE.. In that system the "invoke" is always
> asynchronous, so as in all our use cases. I want to migrate to ODE from it
> with the least amount of changes to the BPEL docs.
>
> I'm curious whether using a "invoke" followed by a "receive" together with
> correlation is the only standard way to call an external web service
> asynchronously in BPEL?  Is there any way to do that just using an invoke
> only?? If not is there any custom ODE mechanisms to inform the engine that
> this invoke is aysnc??


Using a <bpel:invoke> only should work.    The IL supports asynchronous
replies.

alex

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