Hi everyone!
I have one or a few databases from which I want to download and process
data.
I would like to merge all sources and work with result flow:
val sources = config.getConfigList("database.nodes").map(createSource)
val merge = Merge[Message]
val mergedFlow = Flow[Message]
sources.map(_ ~> merge)
merge ~> mergedFlow
but it does not work because Merge must have at least two incoming edge.
What is the cause of this constraint and how i can work around it?
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