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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » XML transformation XSLT

XML transformation XSLT

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venky

Posted: Tue Jun 01, 2004 2:57 pm Post subject: XML transformation XSLT

Master

Joined: 08 Jul 2003
Posts: 205

Hello All,

I have a huge XML structure in the following format.

<shipValue>
<Ship>
........has around 50 elements
</Ship>
<Ship>
........has around 50 elements
</Ship>

// The Ship tag repeats atleast 100 times.

</shipValue>

For such huge structure right now the mapping is done with ESQL......with all the complex logic involved. right now it takes atleast 2 to 3 mts to process such a XML file.

My Question: Would it improve performance ( save time ) to use the XML transformation node ( XSLT ) instead of the ESQL code to map the incoming XML to the outgoing XML.

please correct me if Iam wrong.

Thanks,
Venky
--

kirani

Posted: Tue Jun 01, 2004 10:29 pm Post subject:

Jedi Knight

Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA

I dont know about XML Transformation node, but you can try using REFERENCE variables to improve performance.
_________________
Kiran

IBM Cert. Solution Designer & System Administrator - WBIMB V5
IBM Cert. Solutions Expert - WMQI
IBM Cert. Specialist - WMQI, MQSeries
IBM Cert. Developer - MQSeries

lvraa

Posted: Thu Jun 03, 2004 1:41 am Post subject:

Novice

Joined: 18 May 2004
Posts: 12
Location: Denmark

Parsing large XML structures is a time consuming task - this is not to change. And if you access elements throuhout the entire message it will be more or less fully parsed. I guess that parsing will not be improved by using the XML Transformation.

Its difficult to say if logic performance will be improved if you use XSL stylesheets because it depends on the logic and how many times its repeated.

If I was you I would start looking at the code blocks that are repeatingly executed on <ship> and its child elements. Improving performance here will potentially have great impact.

One thig that I dont like about the XML Transformation node is that the stylesheet file must be located on the disk. I dont think that you can maintain the XSL in the flow.
_________________
Kind regards

Lars Vraa
lavr@lundbeck.com

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