tree a3f89d19fdd26087ecc4cef44973a6fe10964409
parent fdffd30427ba1a1e04b745c553e759e144641a48
author Luca Milanesio <luca.milanesio@gmail.com> 1700695103 +0000
committer Luca Milanesio <luca.milanesio@gmail.com> 1700695103 +0000

Fix Java 8 build and avoid Optional.isEmpty()

Gerrit v3.4 should still be source compatible with Java 8
therefore the Java 11's Optional.isEmpty() should be replaced
with !Optional.isPresent().

Change-Id: I52491602086c0df8b39e1ee95c5e53c21d10042d