tree 8b025cbcae443905e29654162357faa1dd581670
parent 04ae54a5ff5f9e8387827e4ad2d0e941fb9c1059
author Sho SHIMIZU <sshimizu@us.fujitsu.com> 1444085724 -0700
committer Sho SHIMIZU <sshimizu@us.fujitsu.com> 1444152712 -0700

Don't create an empty set by using Stream API

Change-Id: I835cbf6f4926c3391e901597b6d8d203f28a3f41