| Doug Girard [MSFT] 2006-01-31, 6:59 pm |
| Tommy,
Will you be always bound to a single web service or do you have the need to
send to multiple subscribers, each of which you'll need to listen to?
If it's the first, then orchestrations will easily solve this. There are
logical send ports in the orchestration which you later bind to physical
send ports. Thus, an admin can change these at anytime without having to
recompile.
If you have the second requirement, this will take more thought. Here's
one idea, others feel free to comment. The bottom line is that you'll need
a stateful orchestration INSTANCE somewhere in the picture. Perhaps you'll
want to initially route the incoming message to an orchestration which
appends a unique identifier to the message and initializes a correlation
set on this GUID before publishing the message back to the Message Box for
any subscriber to pick up. Then the orchestration will listen to any
responses which match its correlation set. Be mindful of state management,
termination conditions, and zombies when designing this.
HTH,
Doug Girard [MSFT]
Note: This posting is provided "AS IS" with no warranties, and confers no
rights.
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>I am having a new project but really no idea to design. The project
includes
>a process to place plug-able web service calls and collect data. In other
>words, in stead of calling single web service, the orchestration is
supposed
>to call a number web services which maybe configured after the design time
>and then do something with the call results. I am confused by the
requirement
>and not sure it is doable in BizTalk. I know I can route message to
multiple
>SOAP endpoints using port subscription, but don’t know how to route the
>responses back to my aggregate orchestrations. Could anyone give me some
>advice? Thanks in advance.
>
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