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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » auto increment value on attribute on mapping node

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mpong
PostPosted: Fri Mar 31, 2017 9:25 am    Post subject: auto increment value on attribute on mapping node Reply with quote

Disciple

Joined: 22 Jan 2010
Posts: 164

I have (for each) mapping on mapping node, where the target xsd has attribute called id, which need to be assigned from 0 to n based on the number of for each.

I have an option to assign a value on the attribute but I am not sure how can i increment it by 1 for every for each, I don't want to implement outside of map node.

Still trying but no luck yet, pls let me know your thoughts[/img]
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DeadPool
PostPosted: Mon Apr 03, 2017 7:36 am    Post subject: Reply with quote

Apprentice

Joined: 27 May 2016
Posts: 30

I am assuming this is not a case of just cardinality but rather a check of what has been done looking at teh previous number and then adding 1 and entering that number.

I suspect you may have to write a custom esql or java transform to do this which would be callable within the mapping

Not the ideal way but is atleast 1 way
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mqjeff
PostPosted: Mon Apr 03, 2017 8:33 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

A foreach and a submap?
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timber
PostPosted: Mon Apr 03, 2017 8:41 am    Post subject: Reply with quote

Grand Master

Joined: 25 Aug 2015
Posts: 1280

Not sure whether the XPath position() function is supported by the Mapping node, and useful for this purpose?
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mpong
PostPosted: Mon Apr 03, 2017 2:54 pm    Post subject: Reply with quote

Disciple

Joined: 22 Jan 2010
Posts: 164

I have implemented thru custom esql but I will give it a try using XPath position() function
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