[YARN-6284] hasAlreadyRun should be final in ResourceManager.StandByTransitionRunnable

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha2
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Component/s: resourcemanager
• Labels: newbie
• Hadoop Flags: Reviewed
• Assignee: Laura Adams
• Reporter: Daniel Templeton
• Created: 03/Mar/17 19:25
• Updated: 21/Mar/17 21:32
• Resolved: 21/Mar/17 21:32

Description

    // The atomic variable to make sure multiple threads with the same runnable
    // run only once.
    private AtomicBoolean hasAlreadyRun = new AtomicBoolean(false);