tree 45a7131e0c7dcd0d0a2419777da89da0b515013a
parent c9e4bb004862d5821008e29757828244791b72b8
author Sho SHIMIZU <sshimizu@us.fujitsu.com> 1472760356 -0700
committer Thomas Vachuska <tom@onlab.us> 1472767911 +0000

Apply Null Object pattern

Change-Id: I9b4d30114b22dcd32b228e4f17bb541beed4ebed