@Override
  public CliFunctionResult executeFunction(FunctionContext<CacheConfig.AsyncEventQueue> context) {
    // Declared here so that it's available when returning a Throwable
    String memberId = "";

    try {
      CacheConfig.AsyncEventQueue config = context.getArguments();

      InternalCache cache = (InternalCache) context.getCache();

      DistributedMember member = cache.getDistributedSystem().getDistributedMember();

      memberId = member.getId();
      // If they set a name use it instead
      if (!member.getName().equals("")) {
        memberId = member.getName();
      }

      AsyncEventQueueFactory asyncEventQueueFactory =
          cache.createAsyncEventQueueFactory().setParallel(config.isParallel())
              .setBatchConflationEnabled(config.isEnableBatchConflation())
              .setBatchSize(Integer.parseInt(config.getBatchSize()))
              .setBatchTimeInterval(Integer.parseInt(config.getBatchTimeInterval()))
              .setPersistent(config.isPersistent()).setDiskStoreName(config.getDiskStoreName())
              .setDiskSynchronous(config.isDiskSynchronous())
              .setForwardExpirationDestroy(config.isForwardExpirationDestroy())
              .setMaximumQueueMemory(Integer.parseInt(config.getMaximumQueueMemory()))
              .setDispatcherThreads(Integer.parseInt(config.getDispatcherThreads()))
              .setOrderPolicy(OrderPolicy.valueOf(config.getOrderPolicy()));

      if (config.isPauseEventProcessing()) {
        asyncEventQueueFactory.pauseEventDispatching();
      }

      String[] gatewayEventFilters = config.getGatewayEventFilters().stream()
          .map(ClassNameType::getClassName).toArray(String[]::new);

      for (String gatewayEventFilter : gatewayEventFilters) {
        asyncEventQueueFactory
            .addGatewayEventFilter((GatewayEventFilter) newInstance(gatewayEventFilter));
      }

      DeclarableType gatewayEventSubstitutionFilter = config.getGatewayEventSubstitutionFilter();

      if (gatewayEventSubstitutionFilter != null) {
        String gatewaySubstitutionFilter = gatewayEventSubstitutionFilter.getClassName();
        asyncEventQueueFactory.setGatewayEventSubstitutionListener(
            (GatewayEventSubstitutionFilter<?, ?>) newInstance(gatewaySubstitutionFilter));
      }

      String listenerClassName = config.getAsyncEventListener().getClassName();
      Object listenerInstance;
      Class<?> listenerClass = InternalDataSerializer.getCachedClass(listenerClassName);
      listenerInstance = listenerClass.newInstance();

      List<ParameterType> parameters = config.getAsyncEventListener().getParameters();
      Properties listenerProperties = new Properties();
      for (ParameterType p : parameters) {
        listenerProperties.put(p.getName(), p.getString());
      }

      if (!listenerProperties.isEmpty()) {
        if (!(listenerInstance instanceof Declarable)) {
          throw new IllegalArgumentException(
              "Listener properties were provided, but the listener specified does not implement Declarable.");
        }

        ((Declarable) listenerInstance).initialize(cache, listenerProperties);
        legacyInit((Declarable) listenerInstance, listenerProperties);

        Map<Declarable, Properties> declarablesMap = new HashMap<>();
        declarablesMap.put((Declarable) listenerInstance, listenerProperties);
        cache.addDeclarableProperties(declarablesMap);
      }

      asyncEventQueueFactory.create(config.getId(), (AsyncEventListener) listenerInstance);

      return new CliFunctionResult(memberId, StatusState.OK, "Success");
    } catch (CacheClosedException cce) {
      return new CliFunctionResult(memberId, StatusState.ERROR, null);
    } catch (Exception e) {
      logger.error("Could not create async event queue: {}", e.getMessage(), e);
      return new CliFunctionResult(memberId, e, null);
    }
  }
Function used by the 'create async-event-queue' gfsh command to create an asynchronous event
queue on a member.

@since GemFire 8.0
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/functions/CreateAsyncEventQueueFunction.java