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RE: Categories of Web Service messages: data-oriented vs acti

• To: <xml-dev@l...>
• Subject: RE: Categories of Web Service messages: data-oriented vs action-oriented
• From: "Miles Sabin" <msabin@i...>
• Date: Thu, 7 Feb 2002 14:57:57 -0000
• Importance: Normal
• In-reply-to: <3C6293F7.6FFAF7F8@m...>

Roger L. Costello wrote,
> The purchase-CD action is an attribute of the <PurchaseOrder> 
> element. The bill-credit-card action is an attribute of the <credit-
> card> element.  The mail-item action is an attribute of the 
> <delivery-address> element.
>
> Questions:
>
> 1. I am having a really hard time understanding the later two 
> actions. Of course I understand that a service would need to perform 
> these two actions, but I fail to understand why a "client" would have 
> to explicitly specify these actions in the XML message.  Such "sub-
> actions" seem to be part of the semantics of the umbrella "purchase-
> CD" action.  Can someone explain this to me?  Or, is it just a poor 
> example of a multi-action message?  If so, please give me a better 
> example.

I think it's a mistake to think of these as (sub)actions.

If actions correspond intuitively to verbs, then these "subactions" 
correspond to adverbial modifiers (in what manner? how? with what? 
where? etc.).

Cheers,


Miles

-- 
Miles Sabin                                     InterX
Internet Systems Architect                      27 Great West Road
+44 (0)20 8817 4030                             Middx, TW8 9AS, UK
msabin@i...                               http://www.interx.com/

• References:
  • Re: Categories of Web Service messages: data-oriented vs action-oriented
    • From: "Roger L. Costello" <costello@m...>

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