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https://issues.apache.org/jira/browse/FLINK-23907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler reassigned FLINK-23907:
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Assignee: Oleg Smirnov
> Type Migration: introducing primitive functional interfaces
> -----------------------------------------------------------
>
> Key: FLINK-23907
> URL: https://issues.apache.org/jira/browse/FLINK-23907
> Project: Flink
> Issue Type: Improvement
> Reporter: Oleg Smirnov
> Assignee: Oleg Smirnov
> Priority: Minor
> Labels: refactoring, type-migration
>
> Hey!
> We are a collaborative group of researchers from JetBrains Research and
> Oregon State University, and we are testing our data-driven
> [plugin|https://github.com/JetBrains-Research/data-driven-type-migration],
> which is based on the IntelliJ's [Type
> Migration|https://www.jetbrains.com/help/idea/type-migration.html] framework
> and adjusts it using custom structural-replace templates that express the
> adaptations required to perform the type changes.
> I want to apply several type changes using it and open the PR, thus
> introducing primitive functional interfaces in order to prevent unnecessary
> boxing (like *{{BooleanSupplier}}* instead *{{Supplier<Boolean>}}*,
> {{*OptionalInt*}} instead of {{*Optional<Integer>*}}, {{*Predicate<T>*}}
> instead of {{*Function<T, Boolean*}}>, etc.), since it can affect the
> performance of the code (_Effective Java,_ Items 44, 61).
> The patch itself is already prepared (because it is done automatically using
> the plugin), so I guess I will need to open this ticket, receive your
> approval, and then open the PR?
> It would help us a lot to evaluate the usefulness of our approach!
> Thank you in advance!
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