[HDFS-4441] Refactor INodeDirectoryWithSnapshot.Diff as a top level generic class

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Snapshot (HDFS-2802)
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 25/Jan/13 04:14
• Updated: 26/Jan/13 13:31
• Resolved: 26/Jan/13 00:03

Description

INodeDirectoryWithSnapshot.Diff is for recording the difference between the current state and a previous state of the children list of an INodeDirectory. It is easy to refactor the code to support generic lists.