DatanodeInfo should have a DatanodeID rather than extend it
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Key: HDFS-3237
URL: https://issues.apache.org/jira/browse/HDFS-3237
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Eli Collins
Assignee: Eli Collins
Priority: Minor
DatanodeInfo currently extends DatanodeID, the code would be more clear if it
had a DatanodeID member instead, as DatanodeInfo is private within the server
side and DatanodeID is passed to clients.
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