tree a92988398125d2bbcf2d58b3d8871b4757123c90
parent 9d1e2813cab9937da1fa4144febdd14253096945
author Ian Boston <ieb@apache.org> 1351729370 +0000
committer Ian Boston <ieb@apache.org> 1351729370 +0000

SLING-2535 Undid my previous commit and put the synchronisation one layer further out as orriginally suggested. Synchronising in incUsage and decUsage is too risky from a deadlock point of view. Added Javadoc to warn about thread safety on the methods.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1404430 13f79535-47bb-0310-9956-ffa450edef68