tree c7079669f17731b27666a5a8133527da70d66342
parent 75e8cc41c501afb82fa75471dcf7320299fdfbef
author Jamie Hannaford <jamie.hannaford@rackspace.com> 1447688170 +0100
committer Jamie Hannaford <jamie.hannaford@rackspace.com> 1447688170 +0100

use interfaces rather than concrete types