[HDFS-5331] make SnapshotDiff.java to a o.a.h.util.Tool interface implementation

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.1-beta, 3.0.0-alpha1
• Fix Version/s: 2.3.0
• Component/s: snapshots
• Hadoop Flags: Reviewed
• Assignee: Vinayakumar B
• Reporter: Vinayakumar B
• Created: 09/Oct/13 10:22
• Updated: 12/May/16 18:18
• Resolved: 21/Oct/13 01:31

Description

SnapshotDiff.java is a plain class with main() method now.

Convert it to o.a.h.util.Tool interface implementation for better look and usage in tests in future,

Issue Links

• is duplicated by: HDFS-5315 [HDFS-Snapshot] Return code of SnapshotDiff of two invalid snapshots is 0