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https://issues.apache.org/jira/browse/CONFIGURATION-596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nikita Gureev updated CONFIGURATION-596:
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Attachment: patch.patch
Seems like a working solution to the problem we encountered, a patch for 1.x is
attached
> Allow event listener Collections to be lazily created in event.EventSource
> --------------------------------------------------------------------------
>
> Key: CONFIGURATION-596
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-596
> Project: Commons Configuration
> Issue Type: Improvement
> Components: Events & Notifications
> Affects Versions: 1.9
> Reporter: Vladimir Sitnikov
> Attachments: CoWArrayList1.jpg,
> dataflow_commons_configuration_cowarraylist.png, patch.patch
>
>
> It turns out every instance of {{AbstractConfiguration}} creates a couple of
> {{CopyOnWriteAraryLists}} for {{event.EventSource}}.
> In our usage patterns in most of the cases the lists are not used.
> Can the lists be lazy-initialized? (that is created on the first addListener
> request)
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