[perf] buildView: review usage of "facelets.FACET_NAME"
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Key: MYFACES-3150
URL: https://issues.apache.org/jira/browse/MYFACES-3150
Project: MyFaces Core
Issue Type: Improvement
Components: General
Affects Versions: 2.1.0-SNAPSHOT
Environment: myfaces core trunk
Reporter: Martin Kočí
Priority: Minor
Consider 1000 components in view without any f:facet.
During VDL.buildView Facelets call for each component
ComponentHandler.getFacetName(FaceletContext, UIComponent) and that creates 3
calls of Map.get():
1) _ComponentAttributesMap.getPropertyDescriptor(String)
2) _ComponentAttributesMap.getUnderlyingMap().get()
3) UIComponent.getValueExpression(String)
3000 "empty" invocations in buildView withnout match.
Suggestions:
* do not use Component.attribute for that marker (comes from FacetHandler)
* replace map.get calls with property for performance reasons
* use a stack or property on AbstractFaceletContext if possible
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