[HDFS-4268] Remove redundant enum NNHAStatusHeartbeat.State

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.2-alpha
• Fix Version/s: 2.0.3-alpha
• Component/s: namenode
• Target Version/s: 2.0.3-alpha
• Hadoop Flags: Reviewed
• Assignee: Konstantin Shvachko
• Reporter: Konstantin Shvachko
• Created: 05/Dec/12 02:57
• Updated: 15/Feb/13 13:11
• Resolved: 06/Dec/12 07:30

Description

NNHAStatusHeartbeat.State is redundant and can be replaced with commonly used enum HAServiceState.
We should also consistently use HAServiceState to check if the state is ACTIVE or STANDBY rather than using instanceof.