/// <summary>
/// Signal a routing table change. We do this using an Interlocked
/// operation to avoid having to manage yet another prioritized message
/// in the actor loop.
/// </summary>
/// <param name="table"></param>
public void ChangeRoutingTable(RoutingTable table)
{
if (_routingTable != null && _routingTable.LastRefreshed >= table.LastRefreshed)
{
return;
}
Interlocked.Exchange(ref _routingTable, new RoutingTable(table));
_innerActor.Post(new ConsumerMessage
{
MessageType = ConsumerMessageType.CheckPostponedAfterRoutingTableChange
});
}
/// <summary>
/// Initialize from existing routing table, removing partitions with NbIsr less
/// than a given value
/// </summary>
/// <param name="fromTable"></param>
/// <param name="minIsr"></param>
public RoutingTable(RoutingTable fromTable, int minIsr)
{
_routes = new Dictionary <string, Partition[]>();
var tmp = new List <Partition>();
foreach (var kv in fromTable._routes)
{
tmp.AddRange(kv.Value.Where(partition => partition.NbIsr >= minIsr));
_routes.Add(kv.Key, tmp.ToArray());
tmp.Clear();
}
LastRefreshed = fromTable.LastRefreshed;
}
/// <summary>
/// Initialize from existing routing table, removing partitions with dead nodes
/// </summary>
/// <param name="fromTable"></param>
/// <param name="deadNode"></param>
public RoutingTable(RoutingTable fromTable, INode deadNode)
{
_routes = new Dictionary <string, Partition[]>();
var tmp = new List <Partition>();
foreach (var kv in fromTable._routes)
{
tmp.AddRange(kv.Value.Where(partition => !Equals(partition.Leader, deadNode)));
_routes.Add(kv.Key, tmp.ToArray());
tmp.Clear();
}
LastRefreshed = fromTable.LastRefreshed;
}
/// <summary>
/// Signal a routing table change. We do this using an Interlocked
/// operation to avoid having to manage yet another prioritized message
/// in the actor loop. Will also initiate a check of postponed messages.
/// </summary>
/// <param name="table"></param>
public void ChangeRoutingTable(RoutingTable table)
{
if (_routingTable != null && _routingTable.LastRefreshed >= table.LastRefreshed)
{
return;
}
if (_configuration.RequiredAcks == RequiredAcks.AllInSyncReplicas)
{
Interlocked.Exchange(ref _routingTable, new RoutingTable(table, _configuration.MinInSyncReplicas));
}
else
{
Interlocked.Exchange(ref _routingTable, new RoutingTable(table));
}
_messages.Post(RouterMessageType.CheckPostponedFollowingRoutingTableChange);
}
/// <summary>
/// Initialize from existing routing table
/// than a given value
/// </summary>
/// <param name="fromTable"></param>
public RoutingTable(RoutingTable fromTable)
{
_routes = new Dictionary <string, Partition[]>(fromTable._routes);
LastRefreshed = fromTable.LastRefreshed;
}