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https://issues.apache.org/jira/browse/JCRVLT-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16527967#comment-16527967
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Konrad Windszus commented on JCRVLT-307:
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The user data would probably be need to set in
https://github.com/apache/jackrabbit-filevault/blob/4aca8516404c4962447948cae90234d8e1ee9715/vault-core/src/main/java/org/apache/jackrabbit/vault/packaging/impl/ZipVaultPackage.java#L220.
> UserData should be set to identify node/property changes done through the
> PackageManager
> ----------------------------------------------------------------------------------------
>
> Key: JCRVLT-307
> URL: https://issues.apache.org/jira/browse/JCRVLT-307
> Project: Jackrabbit FileVault
> Issue Type: Improvement
> Components: vlt
> Affects Versions: 3.1.44
> Reporter: Konrad Windszus
> Priority: Major
>
> 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 with 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.
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