void ValidateBinding(IMessageSink <InMemoryTransportMessage> destination, IInMemoryExchange sourceExchange)
{
try
{
var graph = new DependencyGraph <IMessageSink <InMemoryTransportMessage> >(_exchanges.Count + 1);
foreach (var exchange in _exchanges.Values)
{
foreach (IMessageSink <InMemoryTransportMessage> sink in exchange.Sinks)
{
graph.Add(sink, exchange);
}
}
graph.Add(destination, sourceExchange);
graph.EnsureGraphIsAcyclic();
}
catch (Exception exception)
{
throw new InvalidOperationException($"The exchange binding would create a cycle in the messaging fabric.", exception);
}
}