[jira] [Assigned] (SPARK-20255) FileIndex hierarchy inconsistency

["Apache Spark (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-20255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-20255:
------------------------------------

    Assignee:     (was: Apache Spark)

> FileIndex hierarchy inconsistency
> ---------------------------------
>
>                 Key: SPARK-20255
>                 URL: https://issues.apache.org/jira/browse/SPARK-20255
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 2.1.0
>            Reporter: Adrian Ionescu
>            Priority: Minor
>
> Trying to get a grip on the {{FileIndex}} hierarchy, I was confused by the following inconsistency: 
> On the one hand, {{PartitioningAwareFileIndex}} defines {{leafFiles}} and {{leafDirToChildrenFiles}} as abstract, but on the other it fully implements {{listLeafFiles}} which does all the listing of files. However, the latter is only used by {{InMemoryFileIndex}}.
> I'm hereby proposing to move this method (and all its dependencies) to the implementation class that actually uses it, and thus unclutter the {{PartitioningAwareFileIndex}} interface.



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