tree e5368625afcf31f95a947baf4f9d62d96f67255b
parent b3ecc22752cf59aac7aaeba186840c419cf22a4e
author Andreas Wundsam <andreas.wundsam@bigswitch.com> 1415841033 -0800
committer Andreas Wundsam <andreas.wundsam@bigswitch.com> 1415841033 -0800

java: check whether required fields have been set in messages

This helps by raising an NPE early if an incomplete messages is
to be constructed that is missing required members.

Previously, the message construction would succeed, but the
message serialization could fail with an NPE.