Applying Jason Madden's patch from LANG-334 to provide enums.Enum with optimized thread safety. As Jason's used this in production I think it's fair to use it rather than the simpler Collections.synchronizedMap(..). I've also applied the patch to the enum.Enum

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@572930 13f79535-47bb-0310-9956-ffa450edef68
2 files changed