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nize
PostPosted: Thu Sep 29, 2011 11:30 pm    Post subject: one-way operation faults Reply with quote

Voyager

Joined: 02 Sep 2009
Posts: 90
Say that you have the following operation:

Code:
void AddCustomer(Customer)
(i.e. a Customer object as input and no output)

Complying to WS-I BP 1.1 you are not allowed to define fault messages for one-way operations [1]. However, you may want to throw an exception in case, for example, the customer is a duplicate. How would you achieve this? Defining the operation as a request/response with an empty response signaling that the operation succeeded? Not that pretty in my opinion... Maybe you know another way? I mean: within a java/.net program you still want to be able to throw exceptions also for void-methods...

Example:
Code:
<operation name="AddCustomer">
<input message="tns:AddCustomerRequest"/>
<output message="tns:AddCustomerResponse"/>
<fault name="DuplicateCustomer" message="tns:DuplicateFault"/>
</operation>


where AddCustomerResponse would be an empty sequence.

[1] http://www.w3.org/TR/wsdl#_porttypes
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lancelotlinc
PostPosted: Fri Sep 30, 2011 4:31 am    Post subject: Re: one-way operation faults Reply with quote

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
nize wrote:
How would you achieve this?


Very interesting point you have here. You achieve this by dragging the appropriate Compute nodes to the canvas from the pallet.
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