def spark()

in src/main/scala/com/spotify/bdrc/pipeline/MaxItemPerUser.scala [72:78]

• 6 lines of code
• 2 McCabe index (conditional complexity)

  def spark(input: RDD[Rating]): RDD[Rating] = {
    input
      .keyBy(_.user)
      // Reduce items per key by picking the side with higher score for each pair of input
      .reduceByKey((x, y) => if (x.score > y.score) x else y)
      .values
  }