tree 94ee0c0d09308923678d1a7f441b4e8bd3bfa5e1
parent 34c1843d6f07be15804f572b2057bb230a159c11
author Sho SHIMIZU <sshimizu@us.fujitsu.com> 1447117808 -0800
committer Gerrit Code Review <gerrit@onlab.us> 1447177615 +0000

Refactor: Use putIfAbsent() to show the intention more clearly

Change-Id: I2fad1709cc6f8827d382a07b55cd89d2814ede36