AndriiStefaniv

trait Processor {
  def process(oraOptionDfConfig: DataFrameReader, sparkSession: SparkSession): Unit
}

class BMValsProcessor extends Processor {
  def process(oraOptionDfConfig: DataFrameReader, sparkSession: SparkSession): Unit = {
    println("in BMValsProcessor") ///actual business logic
  }
}

AndriiStefaniv

object Solution extends SolutionScope {

  import Months.Month

  def solution(y: Int, a: String, b: String, w: String): Int = {

    implicit val calendar = new Calendar(y, Days.withName(w))

    val month1 = Months.withName(a)
    val month2 = Months.withName(b)