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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » PROPAGATE STATEMEN:Propagating specific part of message tree

PROPAGATE STATEMEN:Propagating specific part of message tree

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JVR

Posted: Wed Aug 05, 2015 4:15 am Post subject: PROPAGATE STATEMEN:Propagating specific part of message tree

Newbie

Joined: 05 Mar 2012
Posts: 8

Developing an application, where I have to use PROPAGATE statements in esql compute node.Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
I'm trying to achieve a scenario to Propagate a specific part of the message tree like outputlocalenvironement/environment (which should be possible as per IIB help contents) .Â Â Â Â Â Â

Below is the piece of code to propagate the data.Â Â

Code:

CREATE LASTCHILD OF OutputRoot DOMAIN 'XMLNSC';Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
SET OutputRoot.XMLNSC.abc = 'abc';Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
SET Environment.Variables.Log.Facility = 'FACILITY_BUS';Â Â Â Â Â Â Â Â Â Â Â Â Â
SET Environment.Variables.Log.Log_Group = 'GROUP_FLW';Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
SET Environment.Variables.Log.Activity = 'ACTIVITY_LOB';Â Â Â Â Â Â Â Â Â Â Â Â
SET Environment.Variables.Log.Severity = 'SEVERITY_INFO';Â Â Â Â Â Â Â Â Â Â Â
SET Environment.Variables.Log.LogMsg = 'LOB Callout-Start';Â Â Â Â Â Â Â Â Â
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
SET OutputLocalEnvironment.Var.ABC='ABC';Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
PROPAGATE TO LABEL 'Label1' ENVIRONMENT OutputLocalEnvironment DELETEÂ NONE;Â Â

After this statement is executed , apart from OutPutLocalEnvironment, I see that OutputRoot is propagated as well to the label node. I would like to seeÂ only the specific message tree portion(OutputLocalEnvironment) to be propagated to the label node. The Compute Mode isÂ set to Messages.Â

Is this the right behavior of PROPAGATE statement?
Thanks in advance.

mqjeff

Posted: Wed Aug 05, 2015 4:57 am Post subject:

Grand Master

Joined: 25 Jun 2008
Posts: 17447

If you want an empty OutputRoot as an empty InputRoot, send an empty OutputRoot.

Also, as a side note. LocalEnvironment is a *separate* message tree from Root and Environment and Exception.

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