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Re: NEW ISSUE: Schema tweaks

From: Tom Rutt <tom@coastin.com>
Date: Tue, 01 Mar 2005 17:22:20 -0500
Message-ID: <4224EB1C.1040104@coastin.com>
To: Christopher B Ferris <chrisfer@us.ibm.com>
CC: Anish Karmarkar <Anish.Karmarkar@oracle.com>, Jonathan Marsh <jmarsh@microsoft.com>, "public-ws-addressing@w3.org" <public-ws-addressing@w3.org>, public-ws-addressing-request@w3.org, Rich Salz <rsalz@datapower.com>, "Rogers, Tony" <Tony.Rogers@ca.com>

+1


Christopher B Ferris wrote:

>Patient: Hey doc, it hurts when I use an xs:duration of 1M1D because it 
>depends on what month it is
>Doctor: Don't do that!
>
>Sure, an xs:unsignedLong that represents milliseconds *seems* simpler 
>until you get into squirrelly areas
>like the fact that Java does not have a primitive type for xs:unsignedLong 
>which means you need to
>manipulate it with java.math.BigDecimal which is not very efficient.
>
>It seems to me that xs:duration is exactly what the doctor ordered here. 
>The nice thing is that the semantic
>is self describing. It's a duration and you get to express the quanta 
>(years, months, days, hours, minutes, seconds, etc.)
>as part of the value-space.
>
>Cheers,
>
>Christopher Ferris
>STSM, Emerging e-business Industry Architecture
>email: chrisfer@us.ibm.com
>blog: http://webpages.charter.net/chrisfer/blog.html
>phone: +1 508 377 9295
>
>
>
>Anish Karmarkar <Anish.Karmarkar@oracle.com> 
>Sent by: public-ws-addressing-request@w3.org
>03/01/2005 03:49 PM
>
>To
>Rich Salz <rsalz@datapower.com>
>cc
>"Rogers, Tony" <Tony.Rogers@ca.com>, Jonathan Marsh 
><jmarsh@microsoft.com>, "public-ws-addressing@w3.org" 
><public-ws-addressing@w3.org>
>Subject
>Re: NEW ISSUE: Schema tweaks
>
>
>
>
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>
>Rich Salz wrote:
>  
>
>>>Any reason not to use xs:duration rather than xs:unsignedInt or some
>>>derived type of it?
>>>      
>>>
>>They seem much more complicated then a simple integer.
>>
>>For example, the length of a duration depends on when you send it (e.g.,
>>1M1D could be anywhere from 29 to 32 days).
>>
>>    
>>
>
>Seems like a good reason not to use xs:duration.
>Thx!
>
>-Anish
>--
>
>
>
>
>  
>

-- 
----------------------------------------------------
Tom Rutt	email: tom@coastin.com; trutt@us.fujitsu.com
Tel: +1 732 801 5744          Fax: +1 732 774 5133
Received on Tuesday, 1 March 2005 22:24:34 GMT

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