Serves the same purpose as BufferedIterator
in Scala, but its takeWhile
method
properly doesn't consume the next element.
Counts elements fetched form the underlying iterator.
Utility trait for classes that want to log data.
A HashMap and a PriorityQueue hybrid.
An iterator that groups items having the same value of the given function (key).
Helper class to throw exceptions if there are environment variables in the spark.
A helper class to make it possible to access components written in Scala from Java code.
Useful stuff that didn't fit elsewhere.