util

Type Members

1. class EnumUtil extends AnyRef

   

2. case class MutablePair[T1, T2](_1: T1, _2: T2) extends Product2[T1, T2] with Product with Serializable

   

   :: DeveloperApi :: A tuple of 2 elements.

   :: DeveloperApi :: A tuple of 2 elements. This can be used as an alternative to Scala's Tuple2 when we want to minimize object allocation.

   _1

   Element 1 of this MutablePair

   _2

   Element 2 of this MutablePair

   Annotations

   @DeveloperApi()

3. class StatCounter extends Serializable

   

   A class for tracking the statistics of a set of numbers (count, mean and variance) in a numerically robust way.

   A class for tracking the statistics of a set of numbers (count, mean and variance) in a numerically robust way. Includes support for merging two StatCounters. Based on Welford and Chan's algorithms for running variance.

4. trait TaskCompletionListener extends EventListener

   

   :: DeveloperApi ::

   :: DeveloperApi ::

   Listener providing a callback function to invoke when a task's execution completes.

   Annotations

   @DeveloperApi()

5. class Vector extends Serializable

   

   Annotations

   @deprecated

   Deprecated

   (Since version 1.0.0) Use Vectors.dense from Spark's mllib.linalg package instead.