[MAPREDUCE-3238] Small cleanup in SchedulerApp

• Type: Improvement
• Status: Closed
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.1
• Component/s: mrv2
• Target Version/s: 0.23.1
• Hadoop Flags: Reviewed
• Assignee: Todd Lipcon
• Reporter: Todd Lipcon
• Created: 21/Oct/11 05:10
• Updated: 05/Mar/12 02:48
• Resolved: 27/Nov/11 23:50

Description

While reading this code, I did a little bit of cleanup:

• added some javadoc
• rather than using a Map<Priority, Integer> for keeping counts, switched to Guava's HashMultiset, which makes a simpler API.