How to Multi-Map N:1 messages in BPM when N is unknown

I need to perform an N:1 message mapping in a transformation in an Integration Process. SAP Documentation explains how to do this:
[http://help.sap.com/erp2005_ehp_03/helpdata/EN/21/6faf35c2d74295a3cb97f6f3ccf43c/content.htm|http://help.sap.com/erp2005_ehp_03/helpdata/EN/21/6faf35c2d74295a3cb97f6f3ccf43c/content.htm]
But it seems to be the case that the first message of the source will be contained in a <Message1> </Message1> element pair, the next message in <Message2> </Message2> element pair, etc.
So what do I do in the case of a variable number of input message that get mapped to one message? I don't know how many messages will be coming in before the mapping needs to be done; it depends upon how many messages are sent out in a fixed time interval.
I will be using an ABAP XSLT transform to do this. I cannot use a
<xsl:for-each select="Message">
Kind of construct because each message is enclosed by a different <MessageN> element.
This must be a problem that has come up before. Can anybody please point me to the solution?
Kind Regards,
Tony.
Edited by: Anthony Bateman on Mar 23, 2008 9:31 PM

Hi Anthony,
Yes you can perform N:1 message mapping using BPM by just using a "wait" step. Its very simple. The "wait" step waits for a particular time period or scheduled time(like 25th March 10:00 PM).
If only "collection of input messages for a particular time interval" is your concern, then I think you can just do it with a simple BPM and no need of ABAP XSLT maaping. It can done by a simple Message mapping itself.
I can send you screenshot of a sample BPM which does this work on your mail Id if you are interested. Plz provide your email ID.
If I havent understood your Qn properly, plz do inform.
U can refer,
/thread/186475 [original link is broken]
/people/krishna.moorthyp/blog/2005/06/09/walkthrough-with-bpm
/people/siva.maranani/blog/2005/05/22/schedule-your-bpm
Thanks,
Shobha

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