Chris Simmons created XERCESJ-1636:
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Summary: 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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