Re: [xsl] A proposal:xsl:result-document asynchronous attribute

[Francis Norton <francis@xxxxxxxxxxx>]

Hi Kurt (and sorry about my typo, Jeni)

Kurt Cagle wrote:

> I'd second Francis's note on the idempotency issue. Consider the canonical 
> HTTP GET based web service - the stock market ticker. Such a service will be 
> returning a different result set at any given moment in time, to an extent 
> that you could effectively argue that time itself becomes a parameter in any 
> such service, regardless of the specific implementation. My experience with 
> web services is that most meaningful web service results vary with time.
>  
Now I'm going to play devil's advocate - could you not say that it is 
realistic to think as something like a stock-market ticker as being 
idempotent *during the execution* of a single transform?

But - hopping neatly back to my normal side of the barricade - I'd 
absolutely stick up for random numbers, timestamps and serial interfaces 
to and from large data sets as examples of interesting and sometimes 
important non-idempotent features.

Francis.



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