private void AdvanceTerm()
{
Term++;
Status = ClusterStatus.Turmoil;
Tock = 0;
InboundAssignments.Clear();
}
public void CommandFollowers(List <Followership> followers)
{
Tock++;
followers = followers
.Where(IsObedientFollower)
.OrderBy(x => x.FollowerId)
.ToList();
var differences = new HashSet <string>(followers.Select(x => x.FollowerId));
differences.SymmetricExceptWith(InboundAssignments.Select(x => x.FollowerId));
if (differences.Any() && Status == ClusterStatus.Harmony)
{
AdvanceTerm();
}
if (!followers.Any())
{
return;
}
if (differences.Any())
{
var range = byte.MaxValue / followers.Count; //match MaxValue to TransportMessage ClaimTicket
var remainder = byte.MaxValue - (range * followers.Count);
InboundAssignments =
followers
.Select((follower, i) => new FollowerAssignment
{
FollowerId = follower.FollowerId,
LowerBound = i * range + (i == 0 ? 0 : 1),
UpperBound = (i * range) + range + (i == followers.Count - 1 ? remainder : 0)
})
.ToList();
OutboundAssignment = followers.First().FollowerId;
}
Status = followers.All(x => x.Term == Term)
? ClusterStatus.Harmony
: ClusterStatus.Turmoil;
}
public FollowerAssignment GetAssignment(string followerId)
{
return(InboundAssignments.FirstOrDefault(x => x.FollowerId == followerId));
}
