Tsz Wo (Nicholas), SZE created HDFS-4112:
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Summary: A few improvements on INodeDirectory
Key: HDFS-4112
URL: https://issues.apache.org/jira/browse/HDFS-4112
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
Attachments: h4112_20121025.patch
Below are a few improvements on INodeDirectory
- Add a utility method for casting from INode;
- avoid creating new empty list and INode arrays;
- renames getChildren() and getChildrenRaw(), rewrite the javadoc.
Also,
- clean up isDirEmpty(..) and isEmpty() in FSDirectory
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