Re: [soa-rm] Opaqueness and Transactions

[Duane Nickull <dnickull@adobe.com>]

Great - I added a simple placeholder to the glossary for now.  I hope 
the editing team can smooth it over bit however.

Good weekend to you too.

Duane

McGregor.Wesley@tbs-sct.gc.ca wrote:

>Hi Duane,
>
>I can live with your definition of opaqueness. I just thought that opaqueness and transparency are at opposite ends of a spectrum.  In physics they are.
>
>I totally agree that we must define these terms. Next week though. Too tired now.
>
>Enjoy your weekend!
>
>Wes
>
> -----Original Message-----
>From: 	Duane Nickull [mailto:dnickull@adobe.com] 
>Sent:	April 22, 2005 10:21 AM
>To:	McGregor, Wesley
>Cc:	soa-rm@lists.oasis-open.org
>Subject:	Re: [soa-rm] Opaqueness and Transactions
>
>Wes:
>
>Does your case actually mean semi-transparency?  A service definitely 
>could allow Java Classes as a parameter to the call, but it is still 
>opaque as to what happens behind the scene.  The java version, native 
>wrappers (JINI) or other specific nuances may be implemented behind the 
>scenes.  A human will likely assume that it is Java because that would 
>be the most logical, however it cannot be assumed.
>
>To me, opaque means that you cannot see intermediate or partial 
>results.  The service completes its operations once invoked, and only 
>the final results (in alignment with the service description, policy and 
>metadata) are presented back to the consumer.  Alternatively, the 
>service may through a flag to indicate an unsuccessful attempt at 
>execution or time out (based on its policy).
>
>Opaque also means that you cannot detect "how" the service performs its 
>tasks, only get the final result.
>
>Does this make sense?  I think we will need to define what we mean by 
>opaque in our glossary.
>
>Duane
>
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