public static Props Props <TIn, TOut>(ActorMaterializer materializer, StageModule <TIn, TOut> op, Attributes parentAttributes, out object materialized)
{
var attr = parentAttributes.And(op.Attributes);
// USE THIS TO AVOID CLOSING OVER THE MATERIALIZER BELOW
// Also, otherwise the attributes will not affect the settings properly!
var settings = materializer.EffectiveSettings(attr);
Props result;
materialized = null;
if (op is IGroupBy)
{
var groupBy = (IGroupBy)op;
result = GroupByProcessorImpl <TIn> .Props(settings, groupBy.MaxSubstreams, groupBy.Extractor);
}
else if (op.GetType().IsGenericType&& op.GetType().GetGenericTypeDefinition() == typeof(DirectProcessor <,>))
{
throw new ArgumentException("DirectProcessor cannot end up in ActorProcessorFactory");
}
else
{
throw new ArgumentException($"StageModule type {op.GetType()} is not supported");
}
return(result);
}