tree 01197eb97a42063bf0bb3bffbc784fdb06cf8424
parent de496351fc8d95a46f7922e0eea07fe775f2cb1a
author Sanha Lee <sanhaleehana@gmail.com> 1572849938 +0900
committer Won Wook SONG <wsong0512@gmail.com> 1572849938 +0900

Fix SonarCloud bugs related to Optional (#247)

JIRA: [NEMO-422: SonarCloud issues](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-422)

**Major changes:**
- Fix some SonarCloud bugs related to `Optional`

**Minor changes to note:**
- None

**Tests for the changes:**
- None

**Other comments:**
- None

Closes #247