On 20 Nov 2008, at 17:39, David Ojeda wrote:
I am saying it is not possible because I need some validation on
the webservice implementation and then respond. As you said in your
first response, " the acknowledgment (i.e. HTTP 200) is *always*
sent back to the client *before* the server starts processing the
request"
Maybe an example will help:
Suppose that we are developing a Webservice for a bank with an
operation that transfers money from an user's account to another
bank account.
The service will be used in a frontend so users transfer money
between accounts. A client will set the destined account and amount
and the frontend should quickly respond if the operation will be
executed or not.
1. A ws-client sends the request to the service, with a xml that
contains the user's account, the amount and the destined account.
2. The ws receives the request and validates the input (checks if
the user's account has enough funds)
3 if valid, ws spawns a thread in order to make the money transfer
(this could take hours if the other account is in some other
country, for example)
3.1. ws notifies external system
3.2. ws responds (to the replyTo or faultTo) that it will process
this request
4 if not valid ws responds (to the replyTo or faultTo) that it will
not process this request. The external system is not notified
Maybe with the example above I can make myself clearer?
Yes, that's clear. But still I don't understand why you're saying
it's not feasible. I honestly can't see why.
Michele
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