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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11828) callers of SeverName.valueOf should use equals and not ==
Date Wed, 27 Aug 2014 02:19:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14111749#comment-14111749
] 

Hudson commented on HBASE-11828:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #5435 (See [https://builds.apache.org/job/HBase-TRUNK/5435/])
HBASE-11828 callers of SeverName.valueOf should use equals and not ==. (apurtell: rev 3411f830e350702bb94090fe298df27d508036d8)
* hbase-client/src/main/java/org/apache/hadoop/hbase/ServerName.java


> callers of SeverName.valueOf should use equals and not ==
> ---------------------------------------------------------
>
>                 Key: HBASE-11828
>                 URL: https://issues.apache.org/jira/browse/HBASE-11828
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>            Priority: Minor
>              Labels: documentation
>             Fix For: 0.99.0, 2.0.0, 0.98.6
>
>         Attachments: HBASE-11828.patch
>
>
> ServerName.valueOf is missing docs about the safety of using == vs .equals on returned
members.
> For clarity, we should specify that users are expected to use .equals even though we
may return shared immutable instances. The .equals method short circuits on object equality,
so the cost difference in the positive case is 1 function call.
> Current behavior is to return a new instance on each call (0.96, 0.98, branch-1, master).
So presumably any current users are either doing this or they have a bug.



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