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https://issues.apache.org/jira/browse/SPARK-3027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-3027.
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Resolution: Fixed
Fix Version/s: 1.1.0
> Tighten visibility and provide Java friendly callback API in TaskContext
> ------------------------------------------------------------------------
>
> Key: SPARK-3027
> URL: https://issues.apache.org/jira/browse/SPARK-3027
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Reynold Xin
> Assignee: Reynold Xin
> Fix For: 1.1.0
>
>
> TaskContext suffers from two problems:
> 1. The callback API accepts a Scala closure and is not Java friendly.
> 2. interrupted, completed are public vars, which means users can randomly
> change the control flow of tasks.
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