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https://issues.apache.org/jira/browse/ARROW-6211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16906084#comment-16906084
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Pindikura Ravindra commented on ARROW-6211:
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It'll be useful for generic visitors to carry state (the IN value allows that).
For the RangeEqualsVisitors, you can always use Void.
> [Java] Remove dependency on RangeEqualsVisitor from ValueVector interface
> -------------------------------------------------------------------------
>
> Key: ARROW-6211
> URL: https://issues.apache.org/jira/browse/ARROW-6211
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Reporter: Pindikura Ravindra
> Assignee: Ji Liu
> Priority: Major
>
> This is a follow-up from [https://github.com/apache/arrow/pull/4933]
>
> public interface VectorVisitor<OUT, IN, EX extends Exception> \{..}
>
> In ValueVector :
> public <OUT, IN, EX extends Exception> OUT accept(VectorVisitor<OUT, IN, EX>
> visitor, IN value) throws EX;
>
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