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Re: Categories of Web Service messages: data-oriented vs actio

• To: michael.h.kay@n..., xml-dev@l...
• Subject: Re: Categories of Web Service messages: data-oriented vs action-oriented
• From: Paul Prescod <paul@p...>
• Date: Tue, 05 Feb 2002 17:50:11 -0500
• Cc: "'Roger L. Costello'" <costello@m...>
• References: <000501c1adb8$f4ad7280$78fe0250@pcukmka>

Michael Kay wrote:
> 
> If you send a data message, without any indication of why you are sending
> it, then there must be something extraneous to the message itself that
> indicates the purpose of the message and what you expect to happen to it.
> For example, this may be implied by the URL or other destination that you
> send the message to.
>
> I prefer to have the action included as part of the message rather than
> being implied by context, so I have used techniques like including an
> attribute such as action="add|update|delete|find" on the outermost element.
> 
> With a data-only message, how would you send a delete request?

You send a delete request to the URI that represents the thing you want
not to exist anymore. HTTP has a method for this but of course you could
use a SOAP method call or whatever.

 Paul Prescod

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