[jira] [Created] (HDFS-9022) Move NameNode.getAddress() and NameNode.getUri() to hadoop-hdfs-client

["Mingliang Liu (JIRA)" <ji...@apache.org>]

Mingliang Liu created HDFS-9022:
-----------------------------------

             Summary: Move NameNode.getAddress() and NameNode.getUri() to hadoop-hdfs-client
                 Key: HDFS-9022
                 URL: https://issues.apache.org/jira/browse/HDFS-9022
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Mingliang Liu
            Assignee: Mingliang Liu


The static helper methods in NameNodes are used in {{hdfs-client}} module. For example, it's used by the {{DFSClient}} and {{NameNodeProxies}} classes which are being moved to {{hadoop-hdfs-client}} module. Meanwhile, we should keep the {{NameNode}} class itself in the {{hadoop-hdfs}} module.

This jira tracks the effort of moving the following static helper methods out of  {{NameNode}} and thus {{hadoop-hdfs}} module. A good place to put these methods is the {{DFSUtilClient}} class:
{code}
public static InetSocketAddress getAddress(String address);
public static InetSocketAddress getAddress(Configuration conf);
public static InetSocketAddress getAddress(URI filesystemURI);
public static URI getUri(InetSocketAddress namenode);
{code}

Be cautious not to bring new checkstyle warnings.



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