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https://issues.apache.org/jira/browse/XERCESJ-1636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Simmons updated XERCESJ-1636:
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Attachment: 010-LCount-per-document.patch
Patch to make LCount document scoped.
> LCount event optimization should be document scoped
> ---------------------------------------------------
>
> Key: XERCESJ-1636
> URL: https://issues.apache.org/jira/browse/XERCESJ-1636
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (Level 2 Events)
> Affects Versions: 2.11.0
> Reporter: Chris Simmons
> Priority: Minor
> Attachments: 010-LCount-per-document.patch
>
>
> Currently Xerces dom has a class LCount that it uses to track when listeners
> are added and removed. It uses this to avoid dispatching events
> unnecessarily.
> It isn't very effective though because there's currently a single static
> lookup. This means that if you add a listener to one DOM and mutate a second
> completely unrelated DOM then Xerces will needlessly propagate events.
> I have a patch to fix the issue that I will attach.
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