DepositDataFile: use Objects.hash and Objects.equals (!45) · Merge requests · DLCM / Community / DLCM-Backend · GitLab

Mathieu.Vonlanthen requested to merge MVO-DepositDataFile-Java7-hash-equals into master Jan 24, 2019

See https://www.mkyong.com/java/java-how-to-overrides-equals-and-hashcode/