/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * license agreements; and to You under the Apache License, version 2.0:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * This file is part of the Apache Pekko project, which was derived from Akka.
 */

/*
 * Copyright (C) 2018-2022 Lightbend Inc. <https://www.lightbend.com>
 */

package org.apache.pekko.cluster.metrics.sample

import org.apache.pekko.actor.Actor

//#worker
class StatsWorker extends Actor {
  var cache = Map.empty[String, Int]
  def receive = {
    case word: String =>
      val length = cache.get(word) match {
        case Some(x) => x
        case None    =>
          val x = word.length
          cache += (word -> x)
          x
      }

      sender() ! length
  }
}
//#worker
