marcel

import java.util.concurrent.{BlockingQueue, ArrayBlockingQueue, CountDownLatch, Executors, TimeUnit}

/*
  Abstracts away the common pattern of producing items into a queue that are
  consumed concurrently by a pool of workers.
*/
class ConcurrentBlockingQueueConsumer[T](queue: BlockingQueue[T], producer: Iterator[T], concurrencyLevel: Int) {
  lazy val stopLatch = new CountDownLatch(1)
  lazy val pool      = Executors.newFixedThreadPool(concurrencyLevel)