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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Wild card character performence issue

Wild card character performence issue

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kishoreraju

Posted: Wed Jul 11, 2007 8:10 am Post subject: Wild card character performence issue

Disciple

Joined: 30 Sep 2004
Posts: 156

Hi,

I am using wildcard characters to traverse through an xml namespace message. will it have any impact on the performence of the flow.

Ex

The below is sample xmlns message.
<SyncData xmlns="http://www.openapp.org/9" xmlns:ggt="http://www.ggt.appdata.com/9/openapp/1" >
<ggt:ApplicationArea>
<ggt:Name>Test</ggt:Name>
</ggt:ApplicationArea>
</SyncData>

To Access the Name element in the above message i am using the below code
DECLARE
Set name=InputRoot.XMLNS.*:SyncData.*:ApplicationArea.*:Name;

wbi_telecom

Posted: Wed Jul 11, 2007 8:19 am Post subject:

Disciple

Joined: 15 Feb 2006
Posts: 188
Location: Harrisburg, PA

I have used wild cards for namespaces as well as tags before and never noticed any significant performance deterioration. Having said that I used it only when it was necessary i.e. whenever I was sure about the input message structure I always delared the namespaces and avoided anonymous parsing. I used it only when I was expecting multiple messages at a router flow having different namespaces and tags.

BTW You are better off declaring a reference while setting values rather than repeating the entire path till the leaf level element. References definitely are better for performance as well as maintenance.

Cheers,

kishoreraju

Posted: Wed Jul 11, 2007 9:13 am Post subject:

Disciple

Joined: 30 Sep 2004
Posts: 156

Thanks for the quick reply.

i am using references as well when ever required.

mymq

Posted: Tue Jul 17, 2007 2:57 pm Post subject:

Centurion

Joined: 01 Mar 2007
Posts: 101
Location: US-Greenwille

Hi,

Using wildcard characters to traverse through an xml namespace message might not create performance issue, but you will end up having a name space conflicts if two name spaces are having the similar (not fully) structure.
_________________
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