public virtual Optional <CatchupServerAddress> Find(MemberId upstream)
{
Optional <CatchupServerAddress> coreCatchupAddress = _coreTopology.find(upstream).map(a => ( CatchupServerAddress )a);
Optional <CatchupServerAddress> readCatchupAddress = _readReplicaTopology.find(upstream).map(a => ( CatchupServerAddress )a);
return(coreCatchupAddress.map(Optional.of).orElse(readCatchupAddress));
}
public override Optional <AdvertisedSocketAddress> FindCatchupAddress(MemberId upstream)
{
//JAVA TO C# CONVERTER TODO TASK: Method reference arbitrary object instance method syntax is not converted by Java to C# Converter:
return(LocalCoreServers().find(upstream).map(info => info.CatchupServer).orElseGet(() => _readReplicaTopology.find(upstream).map(ReadReplicaInfo::getCatchupServer)));
}