public CountersReplicationTopology Flatten()
{
var topology = new CountersReplicationTopology();
topology.Servers.Add(ServerUrl);
var queue = new Queue <CountersReplicationTopologyNodeBase>();
queue.Enqueue(this);
while (queue.Count > 0)
{
var node = queue.Dequeue();
foreach (var dst in node.Destinations)
{
HandleLink(topology, node, dst);
queue.Enqueue(dst);
}
foreach (var source in node.Sources)
{
HandleLink(topology, node, source);
queue.Enqueue(source);
}
}
return(topology);
}
private static void HandleLink(CountersReplicationTopology topology, CountersReplicationTopologyNodeBase source, CountersReplicationTopologyNodeBase target)
{
topology.Servers.Add(source.ServerUrl);
topology.Servers.Add(target.ServerUrl);
CountersReplicationTopologyConnection connection = null;
if (target is CountersReplicationTopologyDestinationNode)
{
var destinationNode = (CountersReplicationTopologyDestinationNode)target;
// going to destination
connection = topology.GetConnection(source.ServerUrl, target.ServerUrl) ?? new CountersReplicationTopologyConnection();
connection.Source = source.ServerUrl;
connection.Destination = target.ServerUrl;
connection.SourceToDestinationState = destinationNode.State;
connection.SendServerId = destinationNode.SendServerId;
connection.Errors = destinationNode.Errors;
}
else if (target is CountersReplicationTopologySourceNode)
{
// going to source
var sourceNode = (CountersReplicationTopologySourceNode)target;
connection = topology.GetConnection(target.ServerUrl, source.ServerUrl) ?? new CountersReplicationTopologyConnection();
connection.Source = target.ServerUrl;
connection.Destination = source.ServerUrl;
connection.DestinationToSourceState = sourceNode.State;
connection.StoredServerId = sourceNode.StoredServerId;
connection.LastEtag = sourceNode.LastEtag;
}
topology.Connections.Add(connection);
}
