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https://issues.apache.org/jira/browse/HBASE-6495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429421#comment-13429421
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stack commented on HBASE-6495:
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You have list of what HBaseAdmin needs beyond HConnection mighty Jesse?
> HBaseAdmin shouldn't expect HConnection to be an HConnectionImplementation
> --------------------------------------------------------------------------
>
> Key: HBASE-6495
> URL: https://issues.apache.org/jira/browse/HBASE-6495
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.96.0, 0.94.1
> Reporter: Jesse Yates
> Fix For: 0.96.0, 0.94.1
>
>
> Currently, the HBaseAdmin has a constructor that takes an HConnection, but
> then immediately casts it to an HConnectionManager.HConnectionImplementation:
> {code}
> public HBaseAdmin(HConnection connection)
> throws MasterNotRunningException, ZooKeeperConnectionException {
> this.conf = connection.getConfiguration();
> // We want the real class, without showing it our public interface,
> // hence the cast.
> this.connection =
> (HConnectionManager.HConnectionImplementation)connection;
> {code}
> However, this breaks the explicit contract in the javadocs and makes it
> basically impossible to mock out the hbaseadmin.
> We need to either make the hbaseadmin use a basic HConnection and optimize
> for cases where its smarter or bring up the couple of methods in
> HConnectionManager.HConnectionImplementation to the HConnection interface.
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