tree 1258385fff67501ac9841255812ea0ee209a1f71
parent 0e99ad96a44cdf511920c648a0712feb0ef6104d
author Sho SHIMIZU <sshimizu@us.fujitsu.com> 1415758769 -0800
committer Sho SHIMIZU <sshimizu@us.fujitsu.com> 1415758881 -0800

Refactor: improve null safety by using empty list instead of null

Change-Id: I443942ef82819e0c27df2c2acd45eb9106038992