Parallel task sink in Scala

/*
*
* Task sink in Scala
* Binds PULL socket to tcp://localhost:5558
* Collects results from workers via that socket
*
* @author Giovanni Ruggiero
* @email moc.liamg|oreiggur.innavoig#moc.liamg|oreiggur.innavoig
*/

import org.zeromq.ZMQ
object tasksink {
def main(args : Array[String]) {

// Prepare our context and socket
val context = ZMQ.context(1)
val receiver = context.socket(ZMQ.PULL)
receiver.bind("tcp://*:5558")

// Wait for start of batch
val string = new String(receiver.recv(0))

// Start our clock now
val tstart = System.currentTimeMillis()

// Process 100 confirmations
val total_msec = 0 // Total calculated cost in msecs
for (task_nbr <- 1 to 100 ) {
val string = new String(receiver.recv(0)).trim()
if ((task_nbr / 10) * 10 == task_nbr) {
System.out.print(":")
} else {
System.out.print(".")
}
System.out.flush()
}
// Calculate and report duration of batch
val tend = System.currentTimeMillis()

println("Total elapsed time: " + (tend - tstart) + " msec")
}
}