singleNodeEvent
Returns a single NodeExecutionStartingEvent from the list of FeatureMessage instances for the specified node name.
This function filters the list to find events of type NodeExecutionStartingEvent matching the given node name and ensures that exactly one such event exists. If no event or more than one event matches the criteria, an exception is thrown.
Return
The single NodeExecutionStartingEvent associated with the specified node name.
Parameters
nodeName
The name of the node for which a single NodeExecutionStartingEvent is required.
Throws
If no event or multiple events matching the specified node name are found.