[jira] [Resolved] (HBASE-23683) Make HBaseInterClusterReplicationEndpoint more extensible

["Wellington Chevreuil (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-23683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wellington Chevreuil resolved HBASE-23683.
------------------------------------------
    Resolution: Fixed

> Make HBaseInterClusterReplicationEndpoint more extensible
> ---------------------------------------------------------
>
>                 Key: HBASE-23683
>                 URL: https://issues.apache.org/jira/browse/HBASE-23683
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication
>            Reporter: Wellington Chevreuil
>            Assignee: Wellington Chevreuil
>            Priority: Major
>             Fix For: 3.0.0, 2.3.0, 2.2.4
>
>
> *HBaseInterClusterReplicationEndpoint* currently creates the cluster connection and sink manager instances inside its _init_ method and assigns those to private class variables. Then any potential custom extension of *HBaseInterClusterReplicationEndpoint* that requires custom implementations of connection and/or sink manager would need to resort to _java reflection_ for effectively replace those instances, such as below:
> {noformat}
> ...
>     ClusterConnection conn = (ClusterConnection)ConnectionFactory.
>       createConnection(context.getConfiguration(), User.create(replicationUgi));
>     ReplicationSinkManager sinkManager = new ReplicationSinkManager(conn, ctx.getPeerId(),
>       this, context.getConfiguration());
>     try {
>       Field field = this.getClass().getSuperclass().getDeclaredField("conn");
>       field.setAccessible(true);
>       field.set(this, conn);
>       field = this.getClass().getSuperclass().getDeclaredField("replicationSinkMgr");
>       field.setAccessible(true);
>       field.set(this, sinkManager);
>     } catch (Exception e) {
>       throw new IOException(e);
>     }
> ...
> {noformat}



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