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Posted to issues@spark.apache.org by "Sean R. Owen (Jira)" <ji...@apache.org> on 2022/12/05 14:49:00 UTC

[jira] [Updated] (SPARK-40141) Task listener overloads no longer needed with JDK 8+

     [ https://issues.apache.org/jira/browse/SPARK-40141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean R. Owen updated SPARK-40141:
---------------------------------
    Priority: Minor  (was: Major)

> Task listener overloads no longer needed with JDK 8+
> ----------------------------------------------------
>
>                 Key: SPARK-40141
>                 URL: https://issues.apache.org/jira/browse/SPARK-40141
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.3.0
>            Reporter: Ryan Johnson
>            Priority: Minor
>
> TaskContext defines methods for registering completion and failure listeners, and the respective listener types qualify as functional interfaces in JDK 8+. This leads to awkward ambiguous overload errors with the overload of each function, that takes a function directly instead of a listener. Now that JDK 8 is the minimum allowed, we can remove the unnecessary overloads, which not only simplifies the code, but also removes a source of frustration since it can be nearly impossible to predict when an ambiguous overload might be triggered.



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