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https://issues.apache.org/jira/browse/SLING-7761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16531470#comment-16531470
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Konrad Windszus commented on SLING-7761:
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[~joerghoh] What use case do you have in mind, which requires custom values
which differ per package? That would be much more effort to implement, as
FileVault would need to be adapted to evaluate that property as well.
> UserData should be set to identify node/property changes in EventListeners
> done through the PackageManager
> ----------------------------------------------------------------------------------------------------------
>
> Key: SLING-7761
> URL: https://issues.apache.org/jira/browse/SLING-7761
> Project: Sling
> Issue Type: Improvement
> Components: Installer
> Reporter: Konrad Windszus
> Assignee: Konrad Windszus
> Priority: Major
> Fix For: Installer Packages Factory 1.0.0
>
>
> There is the method ObservationManager.setUserData(String)
> (https://docs.adobe.com/docs/en/spec/jsr170/javadocs/jcr-2.0/javax/jcr/observation/ObservationManager.html#setUserData(java.lang.String))
> which allows to bind some arbitrary string to the session, so that for each
> event which is being emitted due to {{Session.save()}} from this session this
> user data is available.
> This would allow to determine in an arbitrary
> {{javax.jcr.observation.EventListener}} whether a particular event was caused
> by a package manager installation or not.
> A related change has been implemented in
> https://github.com/Adobe-Consulting-Services/acs-aem-tools/issues/149.
> The actual value should be configurable.
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