[HDFS-4500] Refactor snapshot INode methods

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: Snapshot (HDFS-2802)
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 14/Feb/13 04:20
• Updated: 15/Feb/13 13:43
• Resolved: 14/Feb/13 22:01

Description

There are some very similar methods in INodeDirectoryWithSnapshot, INodeFileWithSnapshot and INodeFileUnderConstructionWithSnapshot. We may refactor them for sharing the code.