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https://issues.apache.org/jira/browse/MYFACES-3480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Kočí updated MYFACES-3480:
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Status: Patch Available (was: Open)
> [perf] Use lazy init for HashMap/HastSet where possible
> -------------------------------------------------------
>
> Key: MYFACES-3480
> URL: https://issues.apache.org/jira/browse/MYFACES-3480
> Project: MyFaces Core
> Issue Type: Improvement
> Reporter: Martin Kočí
> Assignee: Martin Kočí
> Priority: Minor
> Attachments: FaceletCompositionContextImpl.patch,
> RequestViewContext.patch, TemplateContextImpl.patch, UIViewRoot.patch,
> _ComponentAttributesMap.patch
>
>
> goal: make component tree creation fast as possible and avoid unnecessary
> instances
> some components instantialize attributes direct in field or in constructor.
> In many cases it is not necessary, because those HashMap/Set instances are
> not used in current request/response - it depends on use case.
> Example: UIViewRoot.listenerSuccessMap: lazy init is very suitable, because
> many view have no phase listener.
> Check all components: candidates are "smarter" components like UIDate or
> UIInput
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