org.springframework.retry.policy.SimpleRetryPolicy Java Examples

public static void main(String[] args) throws Exception {
    RetryTemplate template = new RetryTemplate();

    // 策略
    SimpleRetryPolicy policy = new SimpleRetryPolicy();
    policy.setMaxAttempts(2);
    template.setRetryPolicy(policy);

    String result = template.execute(
            new RetryCallback<String, Exception>() {
                @Override
                public String doWithRetry(RetryContext arg0) {
                    throw new NullPointerException();
                }
            }
            ,
            new RecoveryCallback<String>() {
                @Override
                public String recover(RetryContext context) {
                    return "recovery callback";
                }
            }
    );

    LOGGER.info("result: {}", result);
}
 

private List<File> processRemoteUrl(@NotNull final String path) throws IOException {
	final File copy = File.createTempFile("webapptester", ".feature");

	try {
		final RetryTemplate template = new RetryTemplate();
		final SimpleRetryPolicy policy = new SimpleRetryPolicy();
		policy.setMaxAttempts(Constants.URL_COPY_RETRIES);
		template.setRetryPolicy(policy);
		template.execute(context -> {
			FileUtils.copyURLToFile(new URL(path), copy);
			return null;
		});

		return Arrays.asList(copy);
	} catch (final FileNotFoundException ex) {
		/*
			Don't leave an empty file hanging around
		 */
		FileUtils.deleteQuietly(copy);
		throw new RemoteFeatureException("The remote file could not be downloaded."
			+ " Either the URL was invalid, or the path was actually supposed to reference a"
			+ " local file but that file could not be found an so was assumed to be a URL.",  ex);
	}
}
 

private String processRemoteUrl(@NotNull final String path) throws IOException {
	final File copy = File.createTempFile("webapptester", ".feature");

	try {
		final RetryTemplate template = new RetryTemplate();
		final SimpleRetryPolicy policy = new SimpleRetryPolicy();
		policy.setMaxAttempts(Constants.URL_COPY_RETRIES);
		template.setRetryPolicy(policy);
		return template.execute(context -> {
			FileUtils.copyURLToFile(new URL(path), copy);
			return FileUtils.readFileToString(copy, Charset.defaultCharset());
		});
	} finally {
		FileUtils.deleteQuietly(copy);
	}
}
 

@Override
public void afterPropertiesSet() {
	if (this.metadataRetryOperations == null) {
		RetryTemplate retryTemplate = new RetryTemplate();

		SimpleRetryPolicy simpleRetryPolicy = new SimpleRetryPolicy();
		simpleRetryPolicy.setMaxAttempts(10);
		retryTemplate.setRetryPolicy(simpleRetryPolicy);

		ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
		backOffPolicy.setInitialInterval(100);
		backOffPolicy.setMultiplier(2);
		backOffPolicy.setMaxInterval(1000);
		retryTemplate.setBackOffPolicy(backOffPolicy);
		this.metadataRetryOperations = retryTemplate;
	}
}
 

/**
 * Constructor.
 *
 * @param dataServiceRetryProperties retry properties
 */
public DataServiceRetryAspect(final DataServiceRetryProperties dataServiceRetryProperties) {
    this.retryTemplate = new RetryTemplate();
    this.retryTemplate.setRetryPolicy(
        new SimpleRetryPolicy(
            dataServiceRetryProperties.getNoOfRetries(),
            new ImmutableMap.Builder<Class<? extends Throwable>, Boolean>()
                .put(CannotGetJdbcConnectionException.class, true)
                .put(CannotAcquireLockException.class, true)
                .put(DeadlockLoserDataAccessException.class, true)
                .put(OptimisticLockingFailureException.class, true)
                .put(PessimisticLockingFailureException.class, true)
                .put(ConcurrencyFailureException.class, true)
                // Will this work for cases where the write queries timeout on the client?
                .put(QueryTimeoutException.class, true)
                .put(TransientDataAccessResourceException.class, true)
                .put(JpaSystemException.class, true)
                .build()
        )
    );
    final ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
    backOffPolicy.setInitialInterval(dataServiceRetryProperties.getInitialInterval());
    backOffPolicy.setMaxInterval(dataServiceRetryProperties.getMaxInterval());
    this.retryTemplate.setBackOffPolicy(backOffPolicy);
}
 

/**
 * Get RetryTemplate.
 *
 * @param retryProperties The http retry properties to use
 * @return The retry template to use
 */
@Bean
@ConditionalOnMissingBean(name = "genieRetryTemplate")
public RetryTemplate genieRetryTemplate(final RetryProperties retryProperties) {
    final RetryTemplate retryTemplate = new RetryTemplate();
    retryTemplate.setRetryPolicy(
        new SimpleRetryPolicy(
            retryProperties.getNoOfRetries(),
            Collections.singletonMap(Exception.class, true)
        )
    );
    final ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
    backOffPolicy.setInitialInterval(retryProperties.getInitialInterval());
    backOffPolicy.setMaxInterval(retryProperties.getMaxInterval());
    retryTemplate.setBackOffPolicy(backOffPolicy);
    return retryTemplate;
}
 

@Bean
public RetryTemplate retryTemplate() {
    SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy();
    retryPolicy.setMaxAttempts(5);

    ExponentialRandomBackOffPolicy exponentialRandomBackOffPolicy = new ExponentialRandomBackOffPolicy();
    exponentialRandomBackOffPolicy.setInitialInterval(10);
    exponentialRandomBackOffPolicy.setMultiplier(3);
    exponentialRandomBackOffPolicy.setMaxInterval(5000);

    RetryTemplate template = new RetryTemplate();
    template.setRetryPolicy(retryPolicy);
    template.setBackOffPolicy(exponentialRandomBackOffPolicy);
    template.setThrowLastExceptionOnExhausted(true);

    return template;
}
 

/**
 * Retrieve and return a queryable store by name created in the application.
 * @param storeName name of the queryable store
 * @param storeType type of the queryable store
 * @param <T> generic queryable store
 * @return queryable store.
 */
public <T> T getQueryableStore(String storeName, QueryableStoreType<T> storeType) {

	RetryTemplate retryTemplate = new RetryTemplate();

	KafkaStreamsBinderConfigurationProperties.StateStoreRetry stateStoreRetry = this.binderConfigurationProperties.getStateStoreRetry();
	RetryPolicy retryPolicy = new SimpleRetryPolicy(stateStoreRetry.getMaxAttempts());
	FixedBackOffPolicy backOffPolicy = new FixedBackOffPolicy();
	backOffPolicy.setBackOffPeriod(stateStoreRetry.getBackoffPeriod());

	retryTemplate.setBackOffPolicy(backOffPolicy);
	retryTemplate.setRetryPolicy(retryPolicy);

	return retryTemplate.execute(context -> {
		T store = null;

		final Set<KafkaStreams> kafkaStreams = InteractiveQueryService.this.kafkaStreamsRegistry.getKafkaStreams();
		final Iterator<KafkaStreams> iterator = kafkaStreams.iterator();
		Throwable throwable = null;
		while (iterator.hasNext()) {
			try {
				store = iterator.next().store(storeName, storeType);
			}
			catch (InvalidStateStoreException e) {
				// pass through..
				throwable = e;
			}
		}
		if (store != null) {
			return store;
		}
		throw new IllegalStateException("Error when retrieving state store: j " + storeName, throwable);
	});
}
 

private String retrieveStringFromRemoteFile(@NotNull final String remoteFileName)  {
	checkArgument(StringUtils.isNoneBlank(remoteFileName));

	File copy = null;
	try {
		copy = File.createTempFile("capabilities", ".tmp");

		final File finalCopy = copy;
		final RetryTemplate template = new RetryTemplate();
		final SimpleRetryPolicy policy = new SimpleRetryPolicy();
		policy.setMaxAttempts(Constants.URL_COPY_RETRIES);
		template.setRetryPolicy(policy);
		template.execute(context -> {
			FileUtils.copyURLToFile(new URL(remoteFileName), finalCopy, TIMEOUT, TIMEOUT);
			return null;
		});

		return retrieveStringFromLocalFile(copy.getAbsolutePath());
	} catch (final IOException ex) {
		throw new ConfigurationException(ex);
	} finally {
		if (copy != null) {
			FileUtils.deleteQuietly(copy);
		}
	}
}
 

private void assertRetryTemplateConstruction(final RetryTemplate retryTemplate, final long timeout, final long backOff) {
  final var wrapper = PropertyAccessorFactory.forDirectFieldAccess(retryTemplate);

  assertThat(wrapper.getPropertyValue("retryPolicy")).isInstanceOf(CompositeRetryPolicy.class);
  assertThat((RetryPolicy[]) wrapper.getPropertyValue("retryPolicy.policies"))
    .hasSize(2)
    .anyMatch(policy1 -> {
      if (policy1 instanceof TimeoutRetryPolicy) {
        final var timeoutRetryPolicy = (TimeoutRetryPolicy) policy1;
        assertThat(timeoutRetryPolicy.getTimeout()).isEqualTo(timeout);
        return true;
      }
      return false;
    })
    .anyMatch(policy2 -> {
      if (policy2 instanceof SimpleRetryPolicy) {
        final var simpleRetryPolicy = (SimpleRetryPolicy) policy2;
        assertThat(simpleRetryPolicy.getMaxAttempts()).isEqualTo(Integer.MAX_VALUE);
        return true;
      }
      return false;
    });

  assertThat(wrapper.getPropertyValue("backOffPolicy")).isInstanceOf(FixedBackOffPolicy.class);
  assertThat(((FixedBackOffPolicy) wrapper.getPropertyValue("backOffPolicy")).getBackOffPeriod()).isEqualTo(backOff);
}
 

@Before
public void init() {
    final HttpBroadcasterSettings settings = new HttpBroadcasterSettings();
    settings.setBlockEventsUrl("http://localhost:8082/consumer/block-event");
    settings.setContractEventsUrl("http://localhost:8082/consumer/contract-event");

    RetryTemplate retryTemplate = new RetryTemplate();

    FixedBackOffPolicy fixedBackOffPolicy = new FixedBackOffPolicy();
    fixedBackOffPolicy.setBackOffPeriod(3000l);
    retryTemplate.setBackOffPolicy(fixedBackOffPolicy);

    SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy();
    retryPolicy.setMaxAttempts(3);
    retryTemplate.setRetryPolicy(retryPolicy);

    underTest = new HttpBlockchainEventBroadcaster(settings, retryTemplate);
}
 

private RetryTemplate createRetryTemplate(RabbitProperties.Retry properties) {
    RetryTemplate template = new RetryTemplate();
    SimpleRetryPolicy policy = new SimpleRetryPolicy();
    policy.setMaxAttempts(properties.getMaxAttempts());
    template.setRetryPolicy(policy);
    ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
    backOffPolicy.setInitialInterval(properties.getInitialInterval());
    backOffPolicy.setMultiplier(properties.getMultiplier());
    backOffPolicy.setMaxInterval(properties.getMaxInterval());
    template.setBackOffPolicy(backOffPolicy);
    return template;
}
 

public RetryTemplate createRetryTemplate() {
    Map<Class<? extends Throwable>, Boolean> exceptions = new HashMap<>();
    exceptions.put(TaxWebServiceNonFatalException.class, true);

    RetryTemplate template = new RetryTemplate();
    SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy(maxAttempts, exceptions);
    template.setRetryPolicy(retryPolicy);

    ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
    backOffPolicy.setInitialInterval(initialInterval);
    template.setBackOffPolicy(backOffPolicy);

    return template;
}
 

private static RetryTemplate createRetryTemplate() {
    final RetryTemplate template = new RetryTemplate();

    final FixedBackOffPolicy backOffPolicy = new FixedBackOffPolicy();
    backOffPolicy.setBackOffPeriod(Constants.TX_RT_DELAY);
    template.setBackOffPolicy(backOffPolicy);

    final SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy(Constants.TX_RT_MAX,
            Collections.singletonMap(ConcurrencyFailureException.class, true));
    template.setRetryPolicy(retryPolicy);

    return template;
}
 

@Bean
@ConditionalOnMissingBean(name = "statsRetryTemplate")
RetryTemplate statsRetryTemplate() {
	RetryTemplate retryTemplate = new RetryTemplate();
	ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
	backOffPolicy.setInitialInterval(3000L);
	backOffPolicy.setMultiplier(3);
	SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy(this.statsProperties.getElastic().getMaxAttempts(),
			Collections.singletonMap(Exception.class, true));
	retryTemplate.setBackOffPolicy(backOffPolicy);
	retryTemplate.setRetryPolicy(retryPolicy);
	return retryTemplate;
}
 

@Bean
public RetryOperations retryOperations() {
	RetryTemplate retryTemplate = new RetryTemplate();
	retryTemplate.setRetryPolicy(new SimpleRetryPolicy(3,
			Collections.<Class<? extends Throwable>, Boolean>singletonMap(RedisConnectionFailureException.class, true)));
	ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
	backOffPolicy.setInitialInterval(1000L);
	backOffPolicy.setMaxInterval(1000L);
	backOffPolicy.setMultiplier(2);
	retryTemplate.setBackOffPolicy(backOffPolicy);
	return retryTemplate;
}
 

@Bean
public RetryOperations retryOperations() {
	RetryTemplate retryTemplate = new RetryTemplate();
	retryTemplate.setRetryPolicy(new SimpleRetryPolicy(3, Collections.<Class<? extends Throwable>, Boolean>singletonMap(RedisConnectionFailureException.class, true)));
	ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
	backOffPolicy.setInitialInterval(1000L);
	backOffPolicy.setMaxInterval(1000L);
	backOffPolicy.setMultiplier(2);
	retryTemplate.setBackOffPolicy(backOffPolicy);
	return retryTemplate;
}
 

@Test
void fatalErrorOnlyLogs() {
	ProjectRequest request = createProjectRequest();
	ProjectGeneratedEvent event = new ProjectGeneratedEvent(request, this.metadata);
	this.retryTemplate.setRetryPolicy(new SimpleRetryPolicy(2, Collections.singletonMap(Exception.class, true)));

	this.mockServer.expect(requestTo("https://example.com/elastic/initializr/request"))
			.andExpect(method(HttpMethod.POST)).andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));

	this.mockServer.expect(requestTo("https://example.com/elastic/initializr/request"))
			.andExpect(method(HttpMethod.POST)).andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));

	this.statPublisher.handleEvent(event);
	this.mockServer.verify();
}
 

public MailServiceImpl() {
    SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy(MAIL_MAX_ATTEMPTS);
    retryTemplate.setRetryPolicy(retryPolicy);

    // 失败后补偿策略
    FixedBackOffPolicy backOffPolicy = new FixedBackOffPolicy();
    backOffPolicy.setBackOffPeriod(MAIL_BACKOFF_PERIOD);
    retryTemplate.setBackOffPolicy(backOffPolicy);
}
 

private RetryTemplate createRetryTemplate (Accessor aWebhook) {
  MapObject retryParams = aWebhook.get("retry",MapObject.class,new MapObject());
  RetryTemplate retryTemplate = new RetryTemplate();
  ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
  backOffPolicy.setInitialInterval(retryParams.getDuration("initialInterval", "2s").toMillis());
  backOffPolicy.setMaxInterval(retryParams.getDuration("maxInterval", "30s").toMillis());
  backOffPolicy.setMultiplier(retryParams.getDouble("multiplier",2.0));
  retryTemplate.setBackOffPolicy(backOffPolicy);
  SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy();
  retryPolicy.setMaxAttempts(retryParams.getInteger("maxAttempts", 5));
  retryTemplate.setRetryPolicy(retryPolicy);
  return retryTemplate;
}
 

@Test
public void testAutoCreateTopicDisabledFailsOnProducerIfTopicNonExistentOnBroker()
		throws Throwable {

	KafkaProperties kafkaProperties = new TestKafkaProperties();
	kafkaProperties.setBootstrapServers(Collections
			.singletonList(embeddedKafka.getEmbeddedKafka().getBrokersAsString()));

	KafkaBinderConfigurationProperties configurationProperties = new KafkaBinderConfigurationProperties(
			kafkaProperties);
	// disable auto create topic on the binder.
	configurationProperties.setAutoCreateTopics(false);
	// reduce the wait time on the producer blocking operations.
	configurationProperties.getConfiguration().put("max.block.ms", "3000");

	KafkaTopicProvisioner provisioningProvider = new KafkaTopicProvisioner(
			configurationProperties, kafkaProperties);
	SimpleRetryPolicy simpleRetryPolicy = new SimpleRetryPolicy(1);
	final RetryTemplate metadataRetryOperations = new RetryTemplate();
	metadataRetryOperations.setRetryPolicy(simpleRetryPolicy);
	provisioningProvider.setMetadataRetryOperations(metadataRetryOperations);

	KafkaMessageChannelBinder binder = new KafkaMessageChannelBinder(
			configurationProperties, provisioningProvider);

	final String testTopicName = "nonExistent" + System.currentTimeMillis();

	ExtendedProducerProperties<KafkaProducerProperties> properties = new ExtendedProducerProperties<>(
			new KafkaProducerProperties());

	expectedException.expect(BinderException.class);
	expectedException.expectCause(isA(UnknownTopicOrPartitionException.class));

	binder.bindProducer(testTopicName, new DirectChannel(), properties);

}
 

private static RetryTemplate createRetryTemplate(RetryPolicy policy) {
	RetryTemplate template = new RetryTemplate();
	// 重试策略
	SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy();
	retryPolicy.setMaxAttempts(policy.getMaxAttempts());
	// 设置间隔策略
	FixedBackOffPolicy backOffPolicy = new FixedBackOffPolicy();
	backOffPolicy.setBackOffPeriod(policy.getSleepMillis());
	template.setRetryPolicy(retryPolicy);
	template.setBackOffPolicy(backOffPolicy);
	return template;
}
 

@Bean
public RetryTemplate retryTemplate() {
    SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy();
    retryPolicy.setMaxAttempts(5);

    FixedBackOffPolicy backOffPolicy = new FixedBackOffPolicy();
    backOffPolicy.setBackOffPeriod(1500); // 1.5 seconds

    RetryTemplate template = new RetryTemplate();
    template.setRetryPolicy(retryPolicy);
    template.setBackOffPolicy(backOffPolicy);

    return template;
}
 

@Override
public RetryTemplate getRetryTemplate() {
	final SimpleRetryPolicy policy = new SimpleRetryPolicy();
	policy.setMaxAttempts(Constants.WEBDRIVER_ACTION_RETRIES);

	final ExponentialBackOffPolicy backoff = new ExponentialBackOffPolicy();
	backoff.setInitialInterval(RETRY_INTERVAL);

	final RetryTemplate template = new RetryTemplate();
	template.setRetryPolicy(policy);
	template.setBackOffPolicy(backoff);
	return template;
}
 

public ClusterScaleProcessServiceImpl() {
    SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy(ENLARGE_MAX_ATTEMPTS);
    retryTemplate.setRetryPolicy(retryPolicy);

    // 失败后补偿策略
    FixedBackOffPolicy backOffPolicy = new FixedBackOffPolicy();
    backOffPolicy.setBackOffPeriod(MIGRATE_BACKOFF_PERIOD);
    retryTemplate.setBackOffPolicy(backOffPolicy);
}
 

@Test
public void shouldRetryWhenFirstAttemptIsNotSuccessful() {
  when(lock.acquire(anyList(), anyString(), anyLong()))
    .thenReturn(null)
    .thenReturn("abc");

  final var retryTemplate = new RetryTemplate();
  retryTemplate.setRetryPolicy(new SimpleRetryPolicy(2));

  final var retriableLock = new RetriableLock(lock, retryTemplate);
  final var token = retriableLock.acquire(List.of("key"), "defaultStore", 1000L);

  assertThat(token).isEqualTo("abc");
  verify(lock, times(2)).acquire(anyList(), anyString(), anyLong());
}
 

@Bean
protected RetryTemplate getRetryTemplate(@Value("${controller.retryCount:3}") int retryCount, @Value("${controller.intial_delay:1000}") int initialDelay, @Value("${controller.maxInterval:10000}") int maxInterval) {
    RetryTemplate retryTemplate = new RetryTemplate();
    retryTemplate.setRetryPolicy(new SimpleRetryPolicy(retryCount, Collections.singletonMap(RestClientException.class, true)));
    ExponentialBackOffPolicy backOffPolicy = new ExponentialBackOffPolicy();
    backOffPolicy.setInitialInterval(initialDelay);
    backOffPolicy.setMaxInterval(maxInterval);
    retryTemplate.setBackOffPolicy(backOffPolicy);
    retryTemplate.setThrowLastExceptionOnExhausted(true);


    retryTemplate.registerListener(new DefaultListenerSupport());

    return retryTemplate;
}
 

public RetryPolicy(@Nullable Predicate<ResponseSpec> respPredicate) {
	this(SimpleRetryPolicy.DEFAULT_MAX_ATTEMPTS, 0L, respPredicate);
}
 

public CuratorKafkaMonitor(CuratorFramework curatorFramework,
                           CuratorKafkaMonitorProperties properties,
                           ObjectMapper objectMapper) throws Exception
{
   this.curatorFramework = curatorFramework;
   this.properties = properties;
   this.objectMapper = objectMapper;

   try
   {
      kafkaVersion = new Version(properties.getKafkaVersion());
   }
   catch (Exception ex)
   {
      throw new IllegalStateException("Invalid kafka version: " + properties.getKafkaVersion(), ex);
   }

   threadPool = new ForkJoinPool(properties.getThreadPoolSize());

   FixedBackOffPolicy backOffPolicy = new FixedBackOffPolicy();
   backOffPolicy.setBackOffPeriod(properties.getRetry().getBackoffMillis());

   final SimpleRetryPolicy retryPolicy =
      new SimpleRetryPolicy(properties.getRetry().getMaxAttempts(),
                            ImmutableMap.of(InterruptedException.class, false,
                                            Exception.class, true));

   retryTemplate = new RetryTemplate();
   retryTemplate.setBackOffPolicy(backOffPolicy);
   retryTemplate.setRetryPolicy(retryPolicy);

   cacheInitCounter.set(4);

   brokerPathCache = new PathChildrenCache(curatorFramework, ZkUtils.BrokerIdsPath(), true);
   brokerPathCache.getListenable().addListener(new BrokerListener());
   brokerPathCache.getListenable().addListener((f, e) -> {
      if (e.getType() == PathChildrenCacheEvent.Type.INITIALIZED)
      {
         cacheInitCounter.decrementAndGet();
         LOG.info("Broker cache initialized");
      }
   });
   brokerPathCache.start(StartMode.POST_INITIALIZED_EVENT);

   topicConfigPathCache = new PathChildrenCache(curatorFramework, ZkUtils.TopicConfigPath(), true);
   topicConfigPathCache.getListenable().addListener((f, e) -> {
      if (e.getType() == PathChildrenCacheEvent.Type.INITIALIZED)
      {
         cacheInitCounter.decrementAndGet();
         LOG.info("Topic configuration cache initialized");
      }
   });
   topicConfigPathCache.start(StartMode.POST_INITIALIZED_EVENT);

   topicTreeCache = new TreeCache(curatorFramework, ZkUtils.BrokerTopicsPath());
   topicTreeCache.getListenable().addListener((client, event) -> {
      if (event.getType() == TreeCacheEvent.Type.INITIALIZED)
      {
         cacheInitCounter.decrementAndGet();
         LOG.info("Topic tree cache initialized");
      }
   });
   topicTreeCache.start();

   consumerTreeCache = new TreeCache(curatorFramework, ZkUtils.ConsumersPath());
   consumerTreeCache.getListenable().addListener((client, event) -> {
      if (event.getType() == TreeCacheEvent.Type.INITIALIZED)
      {
         cacheInitCounter.decrementAndGet();
         LOG.info("Consumer tree cache initialized");
      }
   });
   consumerTreeCache.start();

   controllerNodeCache = new NodeCache(curatorFramework, ZkUtils.ControllerPath());
   controllerNodeCache.getListenable().addListener(this::updateController);
   controllerNodeCache.start(true);
   updateController();
}
 

@Test
public void testParentConnectionFactoryNotInheritedByCustomizedBindersAndProducerRetryBootProperties() {
	List<String> params = new ArrayList<>();
	params.add("--spring.cloud.stream.input.binder=custom");
	params.add("--spring.cloud.stream.output.binder=custom");
	params.add("--spring.cloud.stream.binders.custom.type=rabbit");
	params.add("--spring.cloud.stream.binders.custom.environment.foo=bar");
	params.add("--server.port=0");
	params.add("--spring.rabbitmq.template.retry.enabled=true");
	params.add("--spring.rabbitmq.template.retry.maxAttempts=2");
	params.add("--spring.rabbitmq.template.retry.initial-interval=1000");
	params.add("--spring.rabbitmq.template.retry.multiplier=1.1");
	params.add("--spring.rabbitmq.template.retry.max-interval=3000");
	context = new SpringApplicationBuilder(SimpleProcessor.class)
			.web(WebApplicationType.NONE)
			.run(params.toArray(new String[params.size()]));
	BinderFactory binderFactory = context.getBean(BinderFactory.class);
	// @checkstyle:off
	@SuppressWarnings("unchecked")
	Binder<MessageChannel, ExtendedConsumerProperties<RabbitConsumerProperties>, ExtendedProducerProperties<RabbitProducerProperties>> binder = (Binder<MessageChannel, ExtendedConsumerProperties<RabbitConsumerProperties>, ExtendedProducerProperties<RabbitProducerProperties>>) binderFactory
			.getBinder(null, MessageChannel.class);
	// @checkstyle:on
	assertThat(binder).isInstanceOf(RabbitMessageChannelBinder.class);
	DirectFieldAccessor binderFieldAccessor = new DirectFieldAccessor(binder);
	ConnectionFactory binderConnectionFactory = (ConnectionFactory) binderFieldAccessor
			.getPropertyValue("connectionFactory");
	ConnectionFactory connectionFactory = context.getBean(ConnectionFactory.class);
	assertThat(binderConnectionFactory).isNotSameAs(connectionFactory);
	CompositeHealthContributor bindersHealthIndicator = context
			.getBean("bindersHealthContributor", CompositeHealthContributor.class);
	assertThat(bindersHealthIndicator);

	RabbitHealthIndicator indicator = (RabbitHealthIndicator) bindersHealthIndicator.getContributor("custom");
	assertThat(indicator).isNotNull();
	assertThat(indicator.health().getStatus()).isEqualTo(Status.UP);
	String name = UUID.randomUUID().toString();
	Binding<MessageChannel> binding = binder.bindProducer(name, new DirectChannel(),
			new ExtendedProducerProperties<>(new RabbitProducerProperties()));
	RetryTemplate template = TestUtils.getPropertyValue(binding,
			"lifecycle.amqpTemplate.retryTemplate", RetryTemplate.class);
	assertThat(template).isNotNull();
	SimpleRetryPolicy retryPolicy = TestUtils.getPropertyValue(template,
			"retryPolicy", SimpleRetryPolicy.class);
	ExponentialBackOffPolicy backOff = TestUtils.getPropertyValue(template,
			"backOffPolicy", ExponentialBackOffPolicy.class);
	assertThat(retryPolicy.getMaxAttempts()).isEqualTo(2);
	assertThat(backOff.getInitialInterval()).isEqualTo(1000L);
	assertThat(backOff.getMultiplier()).isEqualTo(1.1);
	assertThat(backOff.getMaxInterval()).isEqualTo(3000L);
	binding.unbind();
	new RabbitAdmin(rabbitTestSupport.getResource()).deleteExchange(name);
	context.close();
}