internal void AddSourceOperator<K, V>(string topic, string nameNode, ConsumedInternal<K, V> consumed)
{
if (string.IsNullOrEmpty(topic))
throw new TopologyException("You must provide at least one topic");
if (nodeFactories.ContainsKey(nameNode))
throw new TopologyException($"Source processor {nameNode} is already added.");
if(sourcesTopics.Contains(topic)) {
throw new TopologyException($"Topic {topic} has already been registered by another source.");
}
sourcesTopics.Add(topic);
nodeFactories.Add(nameNode,
new SourceNodeFactory<K, V>(nameNode, topic, consumed.TimestampExtractor, consumed.KeySerdes, consumed.ValueSerdes));
nodeGrouper.Add(nameNode);
nodeGroups = null;
}
