ONOS-1786: Updates group buckets when link status is changed.
 - Add null check for port map when creating new groups

Change-Id: I92b494d91e908011f2c08be850ccde648e647a09
6 files changed
tree: 4b84ba2b46a27e6628f122f422a0e765775db048
  1. pom.xml
  2. src/