@Nonnull
@Override
public RequestVoteResponse requestVote(@Nonnull Context ctx, @Nonnull RequestVote request) {
LOGGER.debug("RequestVote received for term {}", request.getTerm());
boolean voteGranted = false;
if (request.getTerm() > log.currentTerm()) {
log.updateCurrentTerm(request.getTerm());
ctx.setState(FOLLOWER);
heartbeatTask.cancel(false);
Replica candidate = Replica.fromString(request.getCandidateId());
voteGranted = Voting.shouldVoteFor(log, request);
if (voteGranted) {
log.updateVotedFor(Optional.of(candidate));
}
}
return RequestVoteResponse.newBuilder()
.setTerm(log.currentTerm())
.setVoteGranted(voteGranted)
.build();
}
@Nonnull
@Override
public AppendEntriesResponse appendEntries(@Nonnull Context ctx, @Nonnull AppendEntries request) {
boolean success = false;
if (request.getTerm() > log.currentTerm()) {
log.updateCurrentTerm(request.getTerm());
ctx.setState(FOLLOWER);
heartbeatTask.cancel(false);
success = log.append(request);
}
return AppendEntriesResponse.newBuilder()
.setTerm(log.currentTerm())
.setSuccess(success)
.build();
}