[HADOOP-9306] Refactor UserGroupInformation to reduce branching for multi-platform support

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.3-alpha
• Component/s: security
• Labels: newbie
• Target Version/s: 2.1.0-beta
• Assignee: Unassigned
• Reporter: Aaron Myers
• Created: 13/Feb/13 19:15
• Updated: 13/Aug/13 07:41

Description

Per Tucu's comment on HADOOP-9305, we can refactor the code for conditionally loading classes based on the OS version, JRE version, and bitmode to use a map and struct. Seems like good cleanup.