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https://issues.apache.org/jira/browse/HDFS-7014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14161853#comment-14161853
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Zhanwei Wang commented on HDFS-7014:
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Hi [~cmccabe]
I implement an abstract base class for some important class also for
testability reason. It give the opportunity to inherit a mock class from the
base class and inject mock object to remove the dependencies for the tested
module and do unit test.
I'm just back from Chinese national day holiday and will review the patch
tomorrow morning, it is already the night. Thanks for your work.
> Implement input and output streams to DataNode for native client
> ----------------------------------------------------------------
>
> Key: HDFS-7014
> URL: https://issues.apache.org/jira/browse/HDFS-7014
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Zhanwei Wang
> Assignee: Colin Patrick McCabe
> Attachments: 0001-HDFS-7014-001.patch, HDFS-7014.patch
>
>
> Implement Client - Namenode RPC protocol and support Namenode HA.
> Implement Client - Datanode RPC protocol.
> Implement some basic server side class such as ExtendedBlock and LocatedBlock
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