abstract void dispatch(Object event, Iterator<Subscriber> subscribers);

  /** Implementation of a {@link #perThreadDispatchQueue()} dispatcher. */
  private static final class PerThreadQueuedDispatcher extends Dispatcher {

    // This dispatcher matches the original dispatch behavior of EventBus.

    /** Per-thread queue of events to dispatch. */
    private final ThreadLocal<Queue<Event>> queue =

      Queues.newConcurrentLinkedQueue();

  private Dispatcher dispatcher;

  public void testPerThreadQueuedDispatcher() {
    dispatcher = Dispatcher.perThreadDispatchQueue();
    dispatcher.dispatch(1, integerSubscribers.iterator());

    assertThat(dispatchedSubscribers)
        .containsExactly(
            i1,
            i2,
            i3, // Integer subscribers are dispatched to first.
            s1,

/**
 * An {@link EventBus} that takes the Executor of your choice and uses it to dispatch events,
 * allowing dispatch to occur asynchronously.
 *
 * @author Cliff Biffle
 * @since 10.0
 */
@ElementTypesAreNonnullByDefault
public class AsyncEventBus extends EventBus {

  /**
   * Creates a new AsyncEventBus that will use {@code executor} to dispatch events. Assigns {@code
   * identifier} as the bus's name for logging purposes.
   *

      Queues.newConcurrentLinkedQueue();

  private Dispatcher dispatcher;

  public void testPerThreadQueuedDispatcher() {
    dispatcher = Dispatcher.perThreadDispatchQueue();
    dispatcher.dispatch(1, integerSubscribers.iterator());

    assertThat(dispatchedSubscribers)
        .containsExactly(
            i1,
            i2,
            i3, // Integer subscribers are dispatched to first.
            s1,

 * #enqueue enqueueing} and then {@linkplain #dispatch dispatching} events.
 *
 * <p>The API of this class is designed to make it easy to achieve the following properties
 *
 * <ul>
 *   <li>Multiple events for the same listener are never dispatched concurrently.
 *   <li>Events for the different listeners are dispatched concurrently.
 *   <li>All events for a given listener dispatch on the provided {@link #executor}.

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.mockwebserver

abstract class Dispatcher {
  @Throws(InterruptedException::class)
  abstract fun dispatch(request: RecordedRequest): MockResponse

  open fun peek(): MockResponse {
    return MockResponse().apply { this.socketPolicy = SocketPolicy.KEEP_OPEN }
  }

  open fun shutdown() {}

import okhttp3.ExperimentalOkHttpApi

/** Handler for mock server requests. */
@ExperimentalOkHttpApi
abstract class Dispatcher {
  /**
   * Returns a response to satisfy `request`. This method may block (for instance, to wait on
   * a CountdownLatch).
   */
  @Throws(InterruptedException::class)
  abstract fun dispatch(request: RecordedRequest): MockResponse

  /**

    queue.enqueue(incrementingEvent(counters, listener, 3));
    queue.enqueue(incrementingEvent(counters, listener, 4));
    assertEquals(0, counters.size());
    queue.dispatch();
    assertEquals(multiset(listener, 4), counters);
  }

  public void testEnqueueAndDispatch_multipleListeners() {
    Object listener1 = new Object();
    ListenerCallQueue<Object> queue = new ListenerCallQueue<>();

    queue.enqueue(incrementingEvent(counters, listener, 3));
    queue.enqueue(incrementingEvent(counters, listener, 4));
    assertEquals(0, counters.size());
    queue.dispatch();
    assertEquals(multiset(listener, 4), counters);
  }

  public void testEnqueueAndDispatch_multipleListeners() {
    Object listener1 = new Object();
    ListenerCallQueue<Object> queue = new ListenerCallQueue<>();

import java.util.concurrent.LinkedBlockingQueue
import java.util.logging.Logger
import okhttp3.ExperimentalOkHttpApi

/**
 * Default dispatcher that processes a script of responses. Populate the script by calling [enqueueResponse].
 */
@ExperimentalOkHttpApi
open class QueueDispatcher : Dispatcher() {
  protected val responseQueue: BlockingQueue<MockResponse> = LinkedBlockingQueue()
  private var failFastResponse: MockResponse? = null