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https://issues.apache.org/jira/browse/TRINIDAD-1675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12804740#action_12804740
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Jeanne Waldman commented on TRINIDAD-1675:
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This time I see _getStyleSheets get called 5 times on initial render with
CHECK_FILE_MODIFICATION turned off. The object it returns isn't held on to, so
it's not so much a memory issue as it is a speed issue.
1. FileSystemStyleCache (FSSC) -> _getEntry -> _getStyleSheetDocument ->
getNamepspacePrefixes -> StyleSheetDocument's (SSD) getStyleSheet
2. FSSC -> _getEntry -> _getCompatibleEntry -> _getDerivationKey -> SSD's
getStyleSheets
3. FSSC -> _getEntry -> _createEntry -> _getStyleContextResolvedStyloe ->
getStyles -> _getStyleSheets
4. NameUtils -> getContextName ->getStyleSheets
5. NameUtils -> getContextName -> getDocumentId -> getStyleSheets
> performance: StyleSheetDocument is called 10 times on initial render,
> consider caching.
> ---------------------------------------------------------------------------------------
>
> Key: TRINIDAD-1675
> URL: https://issues.apache.org/jira/browse/TRINIDAD-1675
> Project: MyFaces Trinidad
> Issue Type: Improvement
> Components: Skinning
> Affects Versions: 1.2.12-core
> Reporter: Jeanne Waldman
>
> Look into caching the style sheet per StyleContext in StyleSheetDocument's
> public Iterator<StyleSheetNode> getStyleSheets(StyleContext context)
> because this calls _getStyleSheets which does a lot of comparing work.
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