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https://issues.apache.org/jira/browse/CXF-8571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17396625#comment-17396625
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Mint Media Interactive commented on CXF-8571:
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[~reta] , in all honesty we didn't explore better solutions, because they
weren't necessary for our needs.
> Enum serialization slowed down by the search for XmlEnumValue annotation.
> -------------------------------------------------------------------------
>
> Key: CXF-8571
> URL: https://issues.apache.org/jira/browse/CXF-8571
> Project: CXF
> Issue Type: Bug
> Components: Aegis Databinding
> Affects Versions: 3.3.5
> Reporter: Mint Media Interactive
> Priority: Major
> Labels: Enum, XmlEnumValue, perfomance, reflection, serialization
> Attachments: EnumType.java.diff, EnumType.mod.java, callTree.png
>
>
> Using CXF for SOAP serialization we noticed a significant performance issue
> with intensive CPU load when the serialization of enum values is involved: it
> appeared to us that most time is spent in
> org.apache.cxf.aegis.type.java5.EnumType while the annotation belonging to
> the given enum is searched.
> !callTree.png!
> The sought annotation is XmlEnumValue, used to specify a custom string to
> serialize a member of the enumeration, in place of its simple name. Our code
> does not make use of that annotation: so we got a notable performance
> improvement (about 20%-30% in some calls) just by modifying the EnumType
> class in order to not look for it.
> [^EnumType.mod.java] [^EnumType.java.diff]
> We think it might be useful to have an option or setting to disable searching
> for that annotation or to activate some other comparable optimization.
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