}

  private void parallelDrainQueue(int threadCount) {
    ExecutorService executor = Executors.newFixedThreadPool(threadCount);
    for (int i = 0; i < threadCount; i++) {
      executor.execute(() -> {
        try {
          drainQueue();
        } catch (Throwable e) {
          e.printStackTrace();
        }
      });
    }
    executor.shutdown();
  }

  private void drainQueue() throws Exception {

   * Callable}.
   *
   * @param callable the callable task
   * @since 10.0
   */
  public static <V extends @Nullable Object> ListenableFutureTask<V> create(Callable<V> callable) {
    return new ListenableFutureTask<>(callable);
  }

  /**
   * Creates a {@code ListenableFutureTask} that will upon running, execute the given {@code

        echo "### NOT starting on installation, please execute the following statements to configure fess service to start automatically using chkconfig"
        echo " sudo chkconfig --add fess"
        echo "### You can start fess service by executing"
        echo " sudo service fess start"

    elif command -v update-rc.d >/dev/null; then

              val responseA = client.newCall(requestA).execute()
              assertThat(responseA.body.string()).isEqualTo("a")
            }
            chain.proceed(chain.request())
          },
        ).build()
    val requestB =
      Request
        .Builder()
        .url(server.url("/b"))
        .build()
    val responseB = client.newCall(requestB).execute()
    assertThat(responseB.body.string()).isEqualTo("b")

 * @author Charles Fry
 */
@NullUnmarked
public class CacheLoaderTest extends TestCase {

  private static class QueuingExecutor implements Executor {
    private final Deque<Runnable> tasks = new ArrayDeque<>();

    @Override
    public void execute(Runnable task) {
      tasks.add(task);
    }

    private void runNext() {
      tasks.removeFirst().run();
    }
  }

  public void testAsyncReload() throws Exception {

        }
      }
    }
  }

  /**
   * Checks if the executor has been shut down and increments the running task count.
   *
   * @throws RejectedExecutionException if the executor has been previously shutdown
   */
  private void startTask() {
    synchronized (lock) {
      if (shutdown) {
        throw new RejectedExecutionException("Executor already shutdown");
      }
      runningTasks++;
    }
  }

    /**
     * Shutdown the failover handler
     */
    public void shutdown() {
        executor.shutdown();
        try {
            if (!executor.awaitTermination(10, TimeUnit.SECONDS)) {
                executor.shutdownNow();
            }
        } catch (InterruptedException e) {
            executor.shutdownNow();
            Thread.currentThread().interrupt();
        }
    }

   * one of the listener's callbacks will execute at once. However, multiple listeners' callbacks
   * may execute concurrently, and listeners may execute in an order different from the one in which
   * they were registered.
   *
   * <p>RuntimeExceptions thrown by a listener will be caught and logged. Any exception thrown
   * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException}) will be caught and

     * does your mojo requires a project to be executed?
     * @return requires a project
     */
    boolean projectRequired() default true;

    /**
     * if the Mojo uses the Maven project and its subprojects.
     * @return uses the Maven project and its subprojects
     */
    boolean aggregator() default false;

    /**
     * does this Mojo need to be online to be executed?
     * @return need to be online
     */

  }

  interface Chain {
    fun request(): Request

    @Throws(IOException::class)
    fun proceed(request: Request): Response

    /**
     * Returns the connection the request will be executed on. This is only available in the chains
     * of network interceptors; for application interceptors this is always null.
     */
    fun connection(): Connection?

    fun call(): Call