| public RoleLeader ( string role, UniqueAddress selfUniqueAddress ) : UniqueAddress | ||
| role | string | |
| selfUniqueAddress | UniqueAddress | |
| return | UniqueAddress | |
private static IEnumerable<RoleLeaderChanged> InternalDiffRolesLeader(Gossip oldGossip, Gossip newGossip, UniqueAddress selfUniqueAddress)
{
foreach (var role in oldGossip.AllRoles.Union(newGossip.AllRoles))
{
var newLeader = newGossip.RoleLeader(role, selfUniqueAddress);
if (newLeader == null && oldGossip.RoleLeader(role, selfUniqueAddress) != null)
yield return new RoleLeaderChanged(role, null);
if (newLeader != null && !newLeader.Equals(oldGossip.RoleLeader(role, selfUniqueAddress)))
yield return new RoleLeaderChanged(role, newLeader.Address);
}
}
/// <summary>
/// The current snapshot state corresponding to latest gossip
/// to mimic what you would have seen if you were listening to the events.
/// </summary>
private void SendCurrentClusterState(ActorRef receiver)
{
var state = new ClusterEvent.CurrentClusterState(
_latestGossip.Members,
_latestGossip.Overview.Reachability.AllUnreachableOrTerminated.Select(_latestGossip.GetMember)
.ToImmutableHashSet(),
_latestGossip.SeenBy.Select(s => s.Address).ToImmutableHashSet(),
_latestGossip.Leader == null ? null : _latestGossip.Leader.Address,
_latestGossip.AllRoles.ToImmutableDictionary(r => r, r => _latestGossip.RoleLeader(r).Address)
);
receiver.Tell(state);
}
/// <summary>
/// The current snapshot state corresponding to latest gossip
/// to mimic what you would have seen if you were listening to the events.
/// </summary>
private void SendCurrentClusterState(IActorRef receiver)
{
var unreachable = _latestGossip.Overview.Reachability.AllUnreachableOrTerminated
.Where(node => !node.Equals(_selfUniqueAddress))
.Select(node => _latestGossip.GetMember(node))
.ToImmutableHashSet();
var state = new ClusterEvent.CurrentClusterState(
members: _latestGossip.Members,
unreachable: unreachable,
seenBy: _latestGossip.SeenBy.Select(s => s.Address).ToImmutableHashSet(),
leader: _latestGossip.Leader(_selfUniqueAddress) == null ? null : _latestGossip.Leader(_selfUniqueAddress).Address,
roleLeaderMap: _latestGossip.AllRoles.ToImmutableDictionary(r => r, r =>
{
var leader = _latestGossip.RoleLeader(r, _selfUniqueAddress);
return leader == null ? null : leader.Address;
}));
receiver.Tell(state);
}
private static IEnumerable<RoleLeaderChanged> InternalDiffRolesLeader(Gossip oldGossip, Gossip newGossip, UniqueAddress selfUniqueAddress)
{
foreach (var role in oldGossip.AllRoles.Union(newGossip.AllRoles))
{
var newLeader = newGossip.RoleLeader(role, selfUniqueAddress);
if(newLeader == null && oldGossip.RoleLeader(role, selfUniqueAddress) != null)
yield return new RoleLeaderChanged(role, null);
if(newLeader != null && !newLeader.Equals(oldGossip.RoleLeader(role, selfUniqueAddress)))
yield return new RoleLeaderChanged(role, newLeader.Address);
}
}
