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https://issues.apache.org/jira/browse/OPENJPA-2164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242688#comment-13242688
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Kevin Sutter commented on OPENJPA-2164:
---------------------------------------
After a bit more experimentation and testing, we've decided to move this logic
from beforeRead to accessingField. This can avoid even more of the processing
path when the field being requested has already been loaded.
Related to this change are some helper methods on the FieldMetaData and
ClassMetaData.
> 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
>
> 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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