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https://issues.apache.org/jira/browse/JEXL-194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15282778#comment-15282778
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Dmitri Blinov commented on JEXL-194:
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Thanks for the hint, I'll give it a try
> synchronize on iterableValue in foreach statement
> -------------------------------------------------
>
> Key: JEXL-194
> URL: https://issues.apache.org/jira/browse/JEXL-194
> Project: Commons JEXL
> Issue Type: Improvement
> Affects Versions: 3.0
> Reporter: Dmitri Blinov
> Assignee: Henri Biestro
> Priority: Minor
>
> Since it is a requirement to synchronize on simple Collections and
> synchronized Collections while iterating over them and since jexl has no
> instrument to control synchronization in script, I think its reasonable to
> implement synchronization in jexl itself on iterableValue. In case of
> concurrent collections it will possibly block other threads only if they are
> synchronizing on those collections themselves, which will be complementary to
> required synchronization in jexl.
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