Use Visitor pattern in MetaRegion to reduce code clones in HTable and
HConnectionManager
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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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