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https://issues.apache.org/jira/browse/UIMA-360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12503435
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Thilo Goetz commented on UIMA-360:
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Some of the more basic CAS operations only do a few operations on ints. Just
checking that the list of registered listeners is empty would require more work
than the operation itself.
I understand why you need this, but why can't you implement this as part of the
control layer? Have the views not update the CAS directly, but some
intermediate layer that is part of the CAS editor. I think that would work for
everybody. It would give you the notification that you need, and it would keep
this kind of UI concern out of the core.
Does that make sense?
> Add CAS change notifications
> ----------------------------
>
> Key: UIMA-360
> URL: https://issues.apache.org/jira/browse/UIMA-360
> Project: UIMA
> Issue Type: New Feature
> Components: Core Java Framework
> Reporter: Jörn Kottmann
> Attachments: cas editor doc.txt, images.zip
>
>
> Add a facility to listen to changes which are made to the CAS.
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