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From "Jakob Korherr (JIRA)" <...@myfaces.apache.org>
Subject [jira] [Commented] (MYFACES-3144) [PERF] Cache renderer in UIComponentBase
Date Sat, 14 May 2011 10:37:47 GMT

    [ https://issues.apache.org/jira/browse/MYFACES-3144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13033497#comment-13033497
] 

Jakob Korherr commented on MYFACES-3144:
----------------------------------------

> Is there any method which is always called as first if component will executed/rendered?

MyFaces internally yes, but if you use extensions for custom JSF comp-libs it might be different.
We should not rely on an invariant like that!

> [PERF] Cache renderer in UIComponentBase
> ----------------------------------------
>
>                 Key: MYFACES-3144
>                 URL: https://issues.apache.org/jira/browse/MYFACES-3144
>             Project: MyFaces Core
>          Issue Type: New Feature
>          Components: General
>    Affects Versions: 2.1.0-SNAPSHOT
>         Environment: myfaces core trunk
>            Reporter: Martin Kočí
>            Assignee: Martin Kočí
>         Attachments: MYFACES-3144.patch
>
>
> UIComponentBase uses getRenderer(): Renderer in five methods:
> 1) decode
> 2) encodeBegin
> 3) encodeChildren
> 4) encodeEnd
> 50 getClientId
> getting the renderer is not cheap if you have thousands component in view. 
> Cache renderer instance in UIComponentBase (Trinidad UIXComponentBase does it already)

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