private BrokerRoute TryGetCachedRoute(string topicName, MetadataResponse.Partition partition)
{
IConnection conn;
return(_brokerConnections.TryGetValue(partition.LeaderId, out conn)
? new BrokerRoute(topicName, partition.PartitionId, partition.LeaderId, conn)
: null);
}
private TopicConnection GetCachedTopicConnection(string topicName, MetadataResponse.Partition partition)
{
Endpoint endpoint;
IImmutableList <IConnection> connections;
if (_serverEndpoints.TryGetValue(partition.leader, out endpoint) && _connections.TryGetValue(endpoint, out connections))
{
var index = _selector.Next(0, connections.Count - 1);
return(new TopicConnection(topicName, partition.partition_id, partition.leader, connections[index]));
}
throw new RoutingException($"Lead server cannot be found for {partition}");
}
private BrokerRoute GetCachedRoute(string topicName, MetadataResponse.Partition partition)
{
var route = TryGetCachedRoute(topicName, partition);
if (route != null)
{
return(route);
}
throw new CachedMetadataException($"Lead broker cannot be found for partition/{partition.PartitionId}, leader {partition.LeaderId}")
{
TopicName = topicName,
Partition = partition.PartitionId
};
}
