AppendOnceFlow¶

AppendOnceFlow is a ResolvedFlow with once flag enabled.

AppendOnceFlow is created when CoreDataflowNodeProcessor is requested to process an UnresolvedFlow with once flag enabled (and FlowResolver is requested to convertResolvedToTypedFlow).

AppendOnceFlow reads source(s) completely and appends data to the target, just once.

Creating Instance¶

AppendOnceFlow takes the following to be created:

• UnresolvedFlow
• FlowFunctionResult

AppendOnceFlow is created when:

• FlowResolver is requested to convertResolvedToTypedFlow (for an UnresolvedFlow with once flag enabled)

once Flag¶

once: Boolean

once is always enabled (true).