Java Code Examples for io.vertx.core.eventbus.MessageConsumer#completionHandler()

The following examples show how to use io.vertx.core.eventbus.MessageConsumer#completionHandler() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: VertxEventChannel.java From jstarcraft-core with Apache License 2.0

6 votes

@Override
public void registerMonitor(Set<Class> types, EventMonitor monitor) {
    try {
        for (Class type : types) {
            EventManager manager = managers.get(type);
            if (manager == null) {
                manager = new EventManager();
                managers.put(type, manager);
                // TODO 需要防止路径冲突
                EventHandler handler = new EventHandler(type, manager);
                MessageConsumer<byte[]> consumer = bus.consumer(name + StringUtility.DOT + type.getName(), handler);
                CountDownLatch latch = new CountDownLatch(1);
                consumer.completionHandler((register) -> {
                    latch.countDown();
                });
                latch.await();
                consumers.put(type, consumer);
            }
            manager.attachMonitor(monitor);
        }
    } catch (Exception exception) {
        throw new RuntimeException(exception);
    }
}

Example 2

Source File: VertxExtension.java From weld-vertx with Apache License 2.0

5 votes

public void registerConsumers(Vertx vertx, Event<Object> event) {
    CountDownLatch latch = new CountDownLatch(consumerAddresses.size());
    for (String address : consumerAddresses) {
        MessageConsumer<?> consumer = vertx.eventBus().consumer(address, VertxHandler.from(vertx, event, address));
        consumer.completionHandler(ar -> {
            if (ar.succeeded()) {
                LOGGER.debug("Sucessfully registered event consumer for {0}", address);
                latch.countDown();
            } else {
                LOGGER.error("Cannot register event consumer for {0}", ar.cause(), address);
            }
        });
    }
    Context context = this.context;
    if (context == null && vertx != null) {
        context = vertx.getOrCreateContext();
    }
    long timeout = context != null ? context.config().getLong(CONSUMER_REGISTRATION_TIMEOUT_KEY, DEFAULT_CONSUMER_REGISTRATION_TIMEOUT)
            : DEFAULT_CONSUMER_REGISTRATION_TIMEOUT;
    try {
        if (!latch.await(timeout, TimeUnit.MILLISECONDS)) {
            throw new IllegalStateException(String.format("Message consumers not registered within %s ms [registered: %s, total: %s]", timeout,
                    latch.getCount(), consumerAddresses.size()));
        }
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new RuntimeException(e);
    }
}

Example 3

Source File: ReportingTest.java From vertx-unit with Apache License 2.0

5 votes

@org.junit.Test
public void testReportToEventBus() {
  MessageConsumer<JsonObject> consumer = vertx.eventBus().<JsonObject>consumer("the_address");
  consumer.handler(msg -> {
    if (msg.body().getString("type").equals(EventBusCollector.EVENT_TEST_SUITE_END)) {
      consumer.unregister();
      testComplete();
    }
  });
  consumer.completionHandler(ar -> {
    assertTrue(ar.succeeded());
    suite.run(vertx, new TestOptions().addReporter(new ReportOptions().setTo("bus:the_address")));
  });
  await();
}

Example 4