Scala example source code file (Loader.scala)

This example Scala source code file (Loader.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

char, def, ghi, int, int, jkl, loader, loader, map, map, mno, string, string, tuv

The Scala Loader.scala source code

package scala.collection.parallel.benchmarks
package misc






import collection._ //immutable._
import collection.parallel._//immutable._







object Loader extends BenchCompanion {
  def benchName = "Loader"
  def collectionName = "General"
  def apply(sz: Int, p: Int, what: String) = new Loader(sz, p, what)
  override def defaultSize = 100
}


class Loader(val size: Int, val parallelism: Int, val runWhat: String) extends Bench {
  def companion = Loader
  
  override def repetitionsPerRun = 1
  
  reset
  
  val wa = Dictionary.wordarray ++ Dictionary.wordarray ++ Dictionary.wordarray
  
  def runseq {
    val m = Map(
      '2' -> "ABC", '3' -> "DEF", '4' -> "GHI", '5' -> "JKL", 
      '6' -> "MNO", '7' -> "PQRS", '8' -> "TUV", '9' -> "WXYZ"
    )
    val charCode: Map[Char, Char] = for ((digit, letters) <- m; letter <- letters) yield letter -> digit
    def wordCode(word: String): String = (word.toUpperCase.toList map charCode).toString
    
    wa groupBy wordCode
  }
  
  def runpar {
    val m = Map(
      '2' -> "ABC", '3' -> "DEF", '4' -> "GHI", '5' -> "JKL", 
      '6' -> "MNO", '7' -> "PQRS", '8' -> "TUV", '9' -> "WXYZ"
    )
    val charCode: Map[Char, Char] = for ((digit, letters) <- m; letter <- letters) yield letter -> digit
    def wordCode(word: String): String = (word.toUpperCase.toList map charCode).toString
    
    wa.par groupBy wordCode
  }
  
  def reset = runWhat match {
    case "seq" =>
    case "par" =>
      collection.parallel.tasksupport.environment.asInstanceOf[concurrent.forkjoin.ForkJoinPool].setParallelism(parallelism)
  }
  
  def comparisonMap = Map()
  
}