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https://issues.apache.org/jira/browse/HBASE-19678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16329286#comment-16329286
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stack commented on HBASE-19678:
-------------------------------
>From HBASE-19679: "OK, so I made a mistake here. I posted the same patch under
>two different tickets. The ticket HBASE-19678 should be re-opened as that
>ticket points out a larger structural issue. This ticket should be closed
>because of the patch that was submitted as part of HBASE-19678 is a duplicate
>of the one provided here and was already applied."
> HBase Admin security capabilities should be represented as a Set
> ----------------------------------------------------------------
>
> Key: HBASE-19678
> URL: https://issues.apache.org/jira/browse/HBASE-19678
> Project: HBase
> Issue Type: Improvement
> Components: hbase
> Affects Versions: 3.0.0
> Reporter: BELUGA BEHR
> Assignee: BELUGA BEHR
> Priority: Minor
> Fix For: 2.0.0-beta-2
>
>
> {code:title=org.apache.hadoop.hbase.client.Admin}
> /**
> * Return the set of supported security capabilities.
> * @throws IOException
> * @throws UnsupportedOperationException
> */
> List<SecurityCapability> getSecurityCapabilities() throws IOException;
> {code}
> The comment says a "set" but it returns a List. A Set would be the most
> appropriate data structure here, an immutable one perhaps, because the code
> that interacts with it looks up information using the _contains_ method which
> would be served well by a Set. Please change this interface to return a Set.
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