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MQSeries.net Forum IndexWebSphere Message Broker SupportRegarding XSL Transform NODE in a message flow

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vijayakranthi
PostPosted: Sun Jan 26, 2020 1:29 pm Post subject: Regarding XSL Transform NODE in a message flow Reply with quote

Newbie

Joined: 13 Nov 2019
Posts: 9

Hi ALL,
Need your inputs about the below scenorio.

Our requirement: To place the xslt on external file system and set the endpoint of the xslt (external file system endpoint) in the local environment properties in the xslt node in a message flow.

Once message flow is deployed, xsl should be cached until we restart the flow or restart the execution group. Is there anyway to do this ?can we use global cache or any other way.
Thanks.
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timber
PostPosted: Mon Jan 27, 2020 8:18 am Post subject: Reply with quote

Grand Master

Joined: 25 Aug 2015
Posts: 1119

Have you looked at this topic in the Knowledge Center?
https://www.ibm.com/support/knowledgecenter/en/SSMKHH_10.0.0/com.ibm.etools.mft.doc/bz90210_.html
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arunkumo
PostPosted: Mon Jan 27, 2020 1:48 pm Post subject: Re: Regarding XSL Transform NODE in a message flow Reply with quote

Novice

Joined: 21 Sep 2014
Posts: 20

vijayakranthi wrote:
Hi ALL,
Need your inputs about the below scenorio.

Our requirement: To place the xslt on external file system and set the endpoint of the xslt (external file system endpoint) in the local environment properties in the xslt node in a message flow.

Once message flow is deployed, xsl should be cached until we restart the flow or restart the execution group. Is there anyway to do this ?can we use global cache or any other way.
Thanks.

within the node you can able to set the stylesheet directory right.
why you want to set in output localenvironment again. Choose anyone of the option.
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vijayakranthi
PostPosted: Tue Jan 28, 2020 4:42 pm Post subject: Reply with quote

Newbie

Joined: 13 Nov 2019
Posts: 9

timber wrote:
Have you looked at this topic in the Knowledge Center?
https://www.ibm.com/support/knowledgecenter/en/SSMKHH_10.0.0/com.ibm.etools.mft.doc/bz90210_.html


Hi Timber,
Thank you for your reply. Yes,I have looked this topic,but my requirement is different than it is explained over there.Once the external sheet is set in the properties of xslt node and deployed it should be cached until the message flow is restarted or execution group is started(Even if the xslt is changed in external directory it should not take the latest changes until the message flow is restarted)
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vijayakranthi
PostPosted: Tue Jan 28, 2020 4:44 pm Post subject: Re: Regarding XSL Transform NODE in a message flow Reply with quote

Newbie

Joined: 13 Nov 2019
Posts: 9

arunkumo wrote:
vijayakranthi wrote:
Hi ALL,
Need your inputs about the below scenorio.

Our requirement: To place the xslt on external file system and set the endpoint of the xslt (external file system endpoint) in the local environment properties in the xslt node in a message flow.

Once message flow is deployed, xsl should be cached until we restart the flow or restart the execution group. Is there anyway to do this ?can we use global cache or any other way.
Thanks.

within the node you can able to set the stylesheet directory right.
why you want to set in output localenvironment again. Choose anyone of the option.


Hi,
I am not using localenvironment ,I am just using the style sheet name under of XSLT node.Thanks.
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timber
PostPosted: Wed Jan 29, 2020 3:00 am Post subject: Reply with quote

Grand Master

Joined: 25 Aug 2015
Posts: 1119

Quote:
Even if the xslt is changed in external directory it should not take the latest changes until the message flow is restarted
This is the key requirement, and you did not even mention it in your initial question.

This area of the product is very well documented. You should read this topic,
https://www.ibm.com/support/knowledgecenter/en/SSMKHH_10.0.0/com.ibm.etools.mft.doc/ac12490_.html#ac12490_tmp__ac12490_cache
...and then design your solution based on what you learn. You may need to design a custom solution, or accept that a redeploy of the BAR file is required.
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abhi_thri
PostPosted: Wed Jan 29, 2020 3:24 am Post subject: Reply with quote

Partisan

Joined: 17 Jul 2017
Posts: 352
Location: UK

hi...the details at the infocenter link timber listed seems to imply that the XSLT node should recache the file updates automatically before processing the next message

Quote:
If you change a cached style sheet (by redeploying or replacing the file in the file system), the XSLTransform node that is holding the cache replaces the cached version with the modified (latest) version before a new message is processed.


Are you saying that you do not want this default behaviour and instead would like the Node to load the file changes only on explict flow restart? If so what exactly is the rationale for it?

If you think of it, wouldn't it be better to stick to the default behavior so that the changes are picked up immediately as otherwise it might confuse the Support folks (they might assume that the flow is using the latest file on the disk). If you really want to go down this route it may be worth asking IBM to see whether there is any custom environment variable/other settings which would force the flow to recache only on flow restart.
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