Fatty.scala

val ids = List(1, 2, 3)

ids.foreach { id =>
  actor {
    receiver ! getAvgSigFor(pool, id)
  }
}

val sigs = getAvgSigsFor(ids)

def getAvgSigsFor(ids : List[Int]) : List[Double] = {
  ids.foldLeft(List[Double]()) { (memo, id) =>
    receiveWithin(60000) {
      case (sig : Double) =>
        memo ++ List(sig)
    }
  }
}

def getAvgSigFor(pool : DataSource, id : Int) : Double = {
  val conn = pool.getConnection
  
  // ...
  
  avg_sig
}