internal void AddSinkOperator<K, V>(ITopicNameExtractor<K, V> topicNameExtractor, string nameNode, Produced<K, V> produced, params string[] previousProcessorNames)
{
if (nodeFactories.ContainsKey(nameNode))
throw new TopologyException($"Sink processor {nameNode} is already added.");
nodeFactories.Add(nameNode,
new SinkNodeFactory<K, V>(nameNode, previousProcessorNames, topicNameExtractor, produced.KeySerdes, produced.ValueSerdes));
nodeGrouper.Add(nameNode);
nodeGrouper.Unite(nameNode, previousProcessorNames);
nodeGroups = null;
}
internal void ConnectProcessorAndStateStore(string processorName, params string[] stateStoreNames)
{
foreach (var stateStoreName in stateStoreNames)
{
if (globalStateBuilders.ContainsKey(stateStoreName))
{
throw new TopologyException($"Global StateStore {stateStoreName} can be used by a " +
$"Processor without being specified; it should not be explicitly passed.");
}
if (!stateFactories.ContainsKey(stateStoreName))
{
throw new TopologyException("StateStore " + stateStoreName + " is not added yet.");
}
if (!nodeFactories.ContainsKey(processorName))
{
throw new TopologyException("Processor " + processorName + " is not added yet.");
}
var stateFactory = stateFactories[stateStoreName];
foreach (var u in stateFactory.users)
{
nodeGrouper.Unite(u, processorName);
}
stateFactory.users.Add(processorName);
var nodeFactory = nodeFactories[processorName];
if (nodeFactory is IProcessorNodeFactory)
{
((IProcessorNodeFactory)nodeFactory).AddStateStore(stateStoreName);
}
else
{
throw new TopologyException($"Cannot connect a state store {stateStoreName} to a source node or a sink node.");
}
}
}
