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https://issues.apache.org/jira/browse/HBASE-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12596843#action_12596843
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stack commented on HBASE-626:
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Looks good JDC. Regards the TODO, just ignore. No use case that I can think
of for a scan taking multiple Visitors.
> Use Visitor pattern in MetaRegion to reduce code clones in HTable and
> HConnectionManager
> ----------------------------------------------------------------------------------------
>
> Key: HBASE-626
> URL: https://issues.apache.org/jira/browse/HBASE-626
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: master
> Reporter: Jean-Daniel Cryans
> Priority: Minor
> Fix For: 0.2.0
>
>
> HTable and HConnectionManager.TableServers both scan the meta region in the
> same way (but the later also retry one time if it fails). A Visitor pattern
> should be used in a new scanning method in MetaRegion to accept visitors that
> gather information such as region names for a table or the list of all tables.
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