public override void UnregisterListener(LeaderListener listener)
{
lock (this)
{
_leaderListeners.remove(listener);
}
}
private static ThreadStart LeaderViewUpdatingListener(RaftMachine raft, IEnumerable <RaftMachine> validRafts, IDictionary <MemberId, MemberId> leaderViews, long viewCount, CompletableFuture <MemberId> futureAgreedLeader)
{
LeaderListener listener = newLeader =>
{
lock ( leaderViews )
{
leaderViews[raft.Identity()] = newLeader.memberId();
bool leaderIsValid = false;
foreach (RaftMachine validRaft in validRafts)
{
if (validRaft.Identity().Equals(newLeader.memberId()))
{
leaderIsValid = true;
}
}
if (newLeader.memberId() != null && leaderIsValid && AllAgreeOnLeader(leaderViews, viewCount, newLeader.memberId()))
{
futureAgreedLeader.complete(newLeader.memberId());
}
}
};
raft.RegisterListener(listener);
return(() => raft.unregisterListener(listener));
}
public override void RegisterListener(LeaderListener listener)
{
lock (this)
{
_leaderListeners.Add(listener);
listener.OnLeaderSwitch(_state.leaderInfo());
}
}
