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scalaintervalsperiod

Run a function periodically in Scala

I want to call an arbitrary function every n seconds. Basically I want something identical to SetInterval from Javascript. How can I achieve this in Scala?

Solution

  • You could use standard stuff from java.util.concurrent:

    import java.util.concurrent._

val ex = new ScheduledThreadPoolExecutor(1)
val task = new Runnable { 
  def run() = println("Beep!") 
}
val f = ex.scheduleAtFixedRate(task, 1, 1, TimeUnit.SECONDS)
f.cancel(false)

    Or java.util.Timer:

    val t = new java.util.Timer()
val task = new java.util.TimerTask {
  def run() = println("Beep!") 
}
t.schedule(task, 1000L, 1000L)
task.cancel()