Reactive spark reader


Given a spark object, returns a reactive data source for the contents of the spark object. This function is most useful to read Spark streams.


reactiveSpark(x, intervalMillis = 1000, session = NULL)


Argument Description
x An object coercable to a Spark DataFrame.
intervalMillis Approximate number of milliseconds to wait to retrieve updated data frame. This can be a numeric value, or a function that returns a numeric value.
session The user session to associate this file reader with, or NULL if none. If non-null, the reader will automatically stop when the session ends.