Sho SHIMIZU f57d600fa9 Add a DiscreteResources sub type representing an empty set
This is for ONOS-4281

Change-Id: Ic4b6e2f00555681bb2af39dc1cf764d325ae8744
(cherry picked from commit abdf2df31ce11ed1fa8ee3ee83c6df41dbb2be4e)
2016-05-31 19:50:56 +00:00
..
2016-05-23 18:35:29 -07:00
2016-05-23 18:35:29 -07:00