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From "Solomon Duskis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11825) Create Connection and ConnectionManager
Date Fri, 12 Sep 2014 15:47:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14131671#comment-14131671
] 

Solomon Duskis commented on HBASE-11825:
----------------------------------------

I had to revert some of the Admin -> HBaseAdmin changes after I changed Admin's getConnection
method to return a Connection instead of an HConnection.  Admin.getConnection() returns a
Connection and HBaseAdmin.getConnection() returns an HConnection.  Any place that needed HConnection's
internal methods now use HBaseAdmin again.

> Create Connection and ConnectionManager
> ---------------------------------------
>
>                 Key: HBASE-11825
>                 URL: https://issues.apache.org/jira/browse/HBASE-11825
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Carter
>            Assignee: Solomon Duskis
>            Priority: Critical
>             Fix For: 2.0.0, 0.99.1
>
>         Attachments: HBASE_11825.patch
>
>
> This is further cleanup of the HBase interface for 1.0 after implementing the new Table
and Admin interfaces.  Following Enis's guidelines in HBASE-10602, this JIRA will generate
a new ConnectionManager to replace HCM and Connection to replace HConnection.
> For more detail, this JIRA intends to implement this portion:
> {code}
> interface Connection extends Closeable{
>   Table getTable(), and rest of HConnection methods 
>   getAdmin()
>   // no deprecated methods (cache related etc)
> }
> @Deprecated
> interface HConnection extends Connection {
>   @Deprecated
>   HTableInterface getTable()
>   // users are encouraged to use Connection
> }
> class ConnectionManager {
>   createConnection(Configuration) // not sure whether we want a static factory method
to create connections or a ctor
> }
> @Deprecated
> class HCM extends ConnectionManager {
>   // users are encouraged to use ConnectionManager
> }
> {code}



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