private static void ComputeRepartitionTopicConfig(
InternalTopologyBuilder.TopologyTopicsInfo topicsInfo,
IDictionary <int, InternalTopologyBuilder.TopologyTopicsInfo> topologyTopicInfos,
Metadata clusterMetadata)
{
if (topicsInfo.RepartitionTopics.Any())
{
CheckIfExternalSourceTopicsExist(topicsInfo, clusterMetadata);
SetRepartitionSourceTopicPartitionCount(topicsInfo.RepartitionTopics, topologyTopicInfos,
clusterMetadata);
}
}
private static void CheckIfExternalSourceTopicsExist(InternalTopologyBuilder.TopologyTopicsInfo topicsInfo, Metadata clusterMetadata)
{
List <string> sourcesTopics = new List <string>(topicsInfo.SourceTopics);
sourcesTopics.RemoveAll(topicsInfo.RepartitionTopics.Keys);
sourcesTopics.RemoveAll(clusterMetadata.Topics.Select(t => t.Topic));
if (sourcesTopics.Any())
{
log.LogError($"Topology use one (or multiple) repartition topic(s)." +
$" The following source topics ({string.Join(",", sourcesTopics)}) are missing/unknown." +
$" Please make sure all sources topics have been-created before starting the streams application.");
throw new StreamsException($"Missing source topics : {string.Join(",", sourcesTopics)}.");
}
}
private static void ComputeChangelogTopicConfig(InternalTopologyBuilder.TopologyTopicsInfo topicsInfo,
Metadata clusterMetadata, List <DescribeConfigsResult> resultsConf)
{
var topic = clusterMetadata.Topics.FirstOrDefault(t => t.Topic.Equals(topicsInfo.SourceTopics.First()));
if (topic != null)
{
topicsInfo
.ChangelogTopics
.Values
.ForEach(c => c.NumberPartitions = topic.Partitions.Count);
}
else
{
topicsInfo
.ChangelogTopics
.Values
.ForEach(c => c.NumberPartitions = DefaultPartitionNumber(resultsConf));
}
}