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https://issues.apache.org/jira/browse/OPENJPA-2164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13283482#comment-13283482
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Rick Curtis commented on OPENJPA-2164:
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There is on TODO in the that could probably be addressed.
// TODO -- what about version fields? Could probably UT this
> Don't setPCState if field requested is already loaded
> -----------------------------------------------------
>
> Key: OPENJPA-2164
> URL: https://issues.apache.org/jira/browse/OPENJPA-2164
> Project: OpenJPA
> Issue Type: Improvement
> Components: Enhance, kernel, performance
> Affects Versions: 2.3.0, 2.2.1
> Reporter: Kevin Sutter
> Assignee: Kevin Sutter
> Fix For: 2.3.0, 2.2.1
>
>
> Currently, our getter method logic (enhanced byte code plus our statemanager
> code) has some unnecessary overhead when processing fields that have already
> been loaded. We're looking at streamlining that processing by using a simple
> check in the beforeRead method to determine if the field has already been
> loaded. If it has, then just return and let it return the value already
> present. If it has not been loaded, then we'll go through the normal
> processing.
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