com.netflix.hystrix.strategy.HystrixPlugins#reset

Source File: MicrometerMetricsPublisherCommandTest.java From micrometer with Apache License 2.0

7 votes

@Test
void openCircuit() {
    HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance().getMetricsPublisher();
    HystrixPlugins.reset();
    HystrixPlugins.getInstance().registerMetricsPublisher(new MicrometerMetricsPublisher(registry, metricsPublisher));
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("MicrometerCOMMAND-B");

    propertiesSetter.withCircuitBreakerForceOpen(true);

    new SuccessCommand(key).execute();
    new SuccessCommand(key).execute();
    new TimeoutCommand(key).execute();
    new FailureCommand(key).execute();
    new FailureCommand(key).execute();
    new SuccessCommand(key).execute();

    Iterable<Tag> tags = Tags.of("group", groupKey.name(), "key", key.name());

    assertExecutionMetric(tags, HystrixEventType.SHORT_CIRCUITED, 6.0);
    assertExecutionMetric(tags, HystrixEventType.SUCCESS, 0.0);
    assertExecutionMetric(tags, HystrixEventType.TIMEOUT, 0.0);
    assertExecutionMetric(tags, HystrixEventType.FAILURE, 0.0);
    assertThat(registry.get("hystrix.circuit.breaker.open").tags(tags).gauge().value()).isEqualTo(1.0);
}

Source File: HystrixPluginsInterceptorTest.java From skywalking with Apache License 2.0

6 votes

@Test
public void testInterceptorWithCustomHystrixCommandExecutionHook() throws Throwable {
    Object wrapperResult = getCommandExecutionHookByInterceptor();
    assertTrue(wrapperResult instanceof SWExecutionHookWrapper);
    assertSame(HystrixPlugins.getInstance().getCommandExecutionHook(), wrapperResult);

    // register custom HystrixCommandExecutionHook
    HystrixCommandExecutionHook delegate = getCommandExecutionHookByInterceptor();
    HystrixCommandExecutionHook customCommandExecutionHook = new CustomHystrixCommandExecutionHook(delegate);
    HystrixPlugins.reset();
    HystrixPlugins.getInstance().registerCommandExecutionHook(customCommandExecutionHook);

    // custom HystrixCommandExecutionHook can be consumed
    wrapperResult = getCommandExecutionHookByInterceptor();
    assertSame(customCommandExecutionHook, wrapperResult);
    assertSame(HystrixPlugins.getInstance().getCommandExecutionHook(), wrapperResult);
}

Source File: PreservesExecutionContextHystrixStrategy.java From spring-cloud-ribbon-extensions with Apache License 2.0

6 votes

/**
 * registers the {@link ExecutionContextAwareHystrixStrategy}
 */
public static void init() {
    // keeps references of existing Hystrix plugins.
    HystrixConcurrencyStrategy existingConcurrencyStrategy = HystrixPlugins.getInstance().getConcurrencyStrategy();
    HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance().getEventNotifier();
    HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance().getMetricsPublisher();
    HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance().getPropertiesStrategy();
    HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins.getInstance().getCommandExecutionHook();
    // reset the Hystrix plugin
    HystrixPlugins.reset();
    // configure the  plugin
    HystrixPlugins.getInstance().registerConcurrencyStrategy(new ExecutionContextAwareHystrixStrategy(existingConcurrencyStrategy));
    HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
    HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
    HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
    HystrixPlugins.getInstance().registerCommandExecutionHook(commandExecutionHook);
    log.info("Context propagation enabled for Hystrix.");
}

Source File: ThreadLocalConfiguration.java From spring-microservices-in-action with Apache License 2.0

6 votes

@PostConstruct
public void init() {
	// Keeps references of existing Hystrix plugins.
	HystrixEventNotifier        eventNotifier        = HystrixPlugins.getInstance().getEventNotifier();
       HystrixMetricsPublisher     metricsPublisher     = HystrixPlugins.getInstance().getMetricsPublisher();
       HystrixPropertiesStrategy   propertiesStrategy   = HystrixPlugins.getInstance().getPropertiesStrategy();
       HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins.getInstance().getCommandExecutionHook();

       HystrixPlugins.reset();

       HystrixPlugins.getInstance().registerConcurrencyStrategy(new ThreadLocalAwareStrategy(existingConcurrencyStrategy));  // Register your customized strategy ({@code ThreadLocalAwareStrategy})
       HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
       HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
       HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
       HystrixPlugins.getInstance().registerCommandExecutionHook(commandExecutionHook);
}

Source File: HystrixPluginsInterceptorTest.java From skywalking with Apache License 2.0

6 votes

@Before
public void setUp() {
    hystrixPluginsInterceptor = new HystrixPluginsInterceptor();
    enhancedInstance = new EnhancedInstance() {

        private SWHystrixPluginsWrapperCache cache;

        @Override
        public Object getSkyWalkingDynamicField() {
            return cache;
        }

        @Override
        public void setSkyWalkingDynamicField(Object cache) {
            this.cache = (SWHystrixPluginsWrapperCache) cache;
        }
    };
    HystrixPlugins.reset();
}

Source File: GrayHystrixContextConcurrencyStrategy.java From spring-cloud-gray with Apache License 2.0

6 votes

public GrayHystrixContextConcurrencyStrategy() {
    this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
    if (this.delegate instanceof GrayHystrixContextConcurrencyStrategy) {
        return;
    }
    // Keeps references of existing Hystrix plugins.
    HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins.getInstance().getCommandExecutionHook();
    HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance().getEventNotifier();
    HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance().getMetricsPublisher();
    HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance().getPropertiesStrategy();

    HystrixPlugins.reset();

    // Registers existing plugins excepts the Concurrent Strategy plugin.
    HystrixPlugins.getInstance().registerConcurrencyStrategy(this);
    HystrixPlugins.getInstance().registerCommandExecutionHook(commandExecutionHook);
    HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
    HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
    HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
}

Source File: SofaTracerHystrixConcurrencyStrategy.java From sofa-tracer with Apache License 2.0

6 votes

public SofaTracerHystrixConcurrencyStrategy() {
    try {
        this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
        if (this.delegate instanceof SofaTracerHystrixConcurrencyStrategy) {
            // Welcome to singleton hell...
            return;
        }
        HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins.getInstance()
            .getCommandExecutionHook();
        HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance().getEventNotifier();
        HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
            .getMetricsPublisher();
        HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
            .getPropertiesStrategy();
        HystrixPlugins.reset();
        HystrixPlugins.getInstance().registerConcurrencyStrategy(this);
        HystrixPlugins.getInstance().registerCommandExecutionHook(commandExecutionHook);
        HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
        HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
        HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
    } catch (Exception ex) {
        SelfLog.error("Failed to register Sleuth Hystrix Concurrency Strategy", ex);
    }
}

Source File: MultiConfigs.java From astrix with Apache License 2.0

6 votes

private static void registerWithHystrix() {

        final HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance().getEventNotifier();
        final HystrixConcurrencyStrategy concurrencyStrategy = HystrixPlugins.getInstance().getConcurrencyStrategy();
        final HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance().getMetricsPublisher();
        final HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance().getPropertiesStrategy();
        final HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins.getInstance().getCommandExecutionHook();

        HystrixPlugins.reset();

        reRegister(eventNotifier, multiEventNotifierDispatcher, notifier -> HystrixPlugins.getInstance().registerEventNotifier(notifier));
        reRegister(concurrencyStrategy, multiConcurrencyStrategyDispatcher, strategy -> HystrixPlugins.getInstance().registerConcurrencyStrategy(strategy));
        HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
        reRegister(propertiesStrategy, multiPropertiesStrategyDispatcher, strategy -> HystrixPlugins.getInstance().registerPropertiesStrategy(strategy));
        HystrixPlugins.getInstance().registerCommandExecutionHook(commandExecutionHook);

        LOGGER.info(MultiPropertiesStrategyDispatcher.class.getName() + " registered with Hystrix!");
    }

Source File: RegisterCommandExcutionHook.java From jframework with Apache License 2.0

6 votes

public RegisterCommandExcutionHook() {
    HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance().getEventNotifier();
    HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance().getPropertiesStrategy();
    HystrixConcurrencyStrategy concurrencyStrategy = HystrixPlugins.getInstance().getConcurrencyStrategy();
    HystrixMetricsPublisher hystrixMetricsPublisher = HystrixPlugins.getInstance().getMetricsPublisher();

    HystrixPlugins.reset();
    HystrixPlugins.getInstance().registerMetricsPublisher(hystrixMetricsPublisher);
    HystrixPlugins.getInstance().registerConcurrencyStrategy(concurrencyStrategy);
    HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
    HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
    HystrixPlugins.getInstance().registerCommandExecutionHook(new HystrixCommandExecutionHook() {
        @Override
        public <T> void onFallbackStart(HystrixInvokable<T> commandInstance) {
            HystrixCommand hystrixCommand = (HystrixCommand) commandInstance;
            String commandKey = hystrixCommand.getCommandKey().toString();
            log.error("Hystrix: {} 接口开始降级", commandKey);
            super.onFallbackStart(commandInstance);
        }
    });
}

Source File: TestProviderBizkeeperHandler.java From servicecomb-java-chassis with Apache License 2.0

5 votes

@Test
public void testCreateBizkeeperCommand() {
  HystrixPlugins.reset();
  ProviderBizkeeperHanlder providerBizkeeperHanlder = new ProviderBizkeeperHanlder();

  Invocation invocation = Mockito.mock(Invocation.class);
  Mockito.when(invocation.getOperationMeta()).thenReturn(Mockito.mock(OperationMeta.class));
  Mockito.when(invocation.getOperationMeta().getMicroserviceQualifiedName()).thenReturn("test1");

  CommandKey.toHystrixCommandGroupKey("groupname", invocation);
  CommandKey.toHystrixCommandKey("groupname", invocation);
  BizkeeperCommand command = providerBizkeeperHanlder.createBizkeeperCommand(invocation);
  Assert.assertNotNull(command);
}

Source File: RequestAttributeHystrixConcurrencyStrategy.java From spring-cloud-yes with Apache License 2.0

5 votes

public RequestAttributeHystrixConcurrencyStrategy() {
    try {
        this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
        if (this.delegate instanceof RequestAttributeHystrixConcurrencyStrategy) {
            // Welcome to singleton hell...
            return;
        }
        HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins
                .getInstance().getCommandExecutionHook();
        HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance()
                .getEventNotifier();
        HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
                .getMetricsPublisher();
        HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
                .getPropertiesStrategy();
        this.logCurrentStateOfHystrixPlugins(eventNotifier, metricsPublisher,
                propertiesStrategy);
        HystrixPlugins.reset();
        HystrixPlugins.getInstance().registerConcurrencyStrategy(this);
        HystrixPlugins.getInstance()
                .registerCommandExecutionHook(commandExecutionHook);
        HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
        HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
        HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
    } catch (Exception e) {
        log.error("Failed to register Sleuth Hystrix Concurrency Strategy", e);
    }
}

Source File: FeignHystrixConcurrencyStrategy.java From sophia_scaffolding with Apache License 2.0

5 votes

public FeignHystrixConcurrencyStrategy() {
    try {
        this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
        if (this.delegate instanceof FeignHystrixConcurrencyStrategy) {
            // Welcome to singleton hell...
            return;
        }

        HystrixCommandExecutionHook commandExecutionHook =
                HystrixPlugins.getInstance().getCommandExecutionHook();

        HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance().getEventNotifier();
        HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance().getMetricsPublisher();
        HystrixPropertiesStrategy propertiesStrategy =
                HystrixPlugins.getInstance().getPropertiesStrategy();
        this.logCurrentStateOfHystrixPlugins(eventNotifier, metricsPublisher, propertiesStrategy);

        HystrixPlugins.reset();
        HystrixPlugins instance = HystrixPlugins.getInstance();
        instance.registerConcurrencyStrategy(this);
        instance.registerCommandExecutionHook(commandExecutionHook);
        instance.registerEventNotifier(eventNotifier);
        instance.registerMetricsPublisher(metricsPublisher);
        instance.registerPropertiesStrategy(propertiesStrategy);
    } catch (Exception e) {
        log.error("Failed to register Sleuth Hystrix Concurrency Strategy", e);
    }
}

Source File: RequestAttributeHystrixConcurrencyStrategy.java From Taroco with Apache License 2.0

5 votes

public RequestAttributeHystrixConcurrencyStrategy() {
    try {
        this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
        if (this.delegate instanceof RequestAttributeHystrixConcurrencyStrategy) {
            // Welcome to singleton hell...
            return;
        }
        HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins
                .getInstance().getCommandExecutionHook();
        HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance()
                .getEventNotifier();
        HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
                .getMetricsPublisher();
        HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
                .getPropertiesStrategy();
        this.logCurrentStateOfHystrixPlugins(eventNotifier, metricsPublisher,
                propertiesStrategy);
        HystrixPlugins.reset();
        HystrixPlugins.getInstance().registerConcurrencyStrategy(this);
        HystrixPlugins.getInstance()
                .registerCommandExecutionHook(commandExecutionHook);
        HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
        HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
        HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
    }
    catch (Exception e) {
        log.error("Failed to register RequestAttributes Hystrix Concurrency Strategy", e);
    }
}

Source File: FeignHystrixConcurrencyStrategy.java From sophia_scaffolding with Apache License 2.0

5 votes

public FeignHystrixConcurrencyStrategy() {
    try {
        this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
        if (this.delegate instanceof FeignHystrixConcurrencyStrategy) {
            // Welcome to singleton hell...
            return;
        }

        HystrixCommandExecutionHook commandExecutionHook =
                HystrixPlugins.getInstance().getCommandExecutionHook();

        HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance().getEventNotifier();
        HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance().getMetricsPublisher();
        HystrixPropertiesStrategy propertiesStrategy =
                HystrixPlugins.getInstance().getPropertiesStrategy();
        this.logCurrentStateOfHystrixPlugins(eventNotifier, metricsPublisher, propertiesStrategy);

        HystrixPlugins.reset();
        HystrixPlugins instance = HystrixPlugins.getInstance();
        instance.registerConcurrencyStrategy(this);
        instance.registerCommandExecutionHook(commandExecutionHook);
        instance.registerEventNotifier(eventNotifier);
        instance.registerMetricsPublisher(metricsPublisher);
        instance.registerPropertiesStrategy(propertiesStrategy);
    } catch (Exception e) {
        log.error("Failed to register Sleuth Hystrix Concurrency Strategy", e);
    }
}

Source File: TestConsumerBizkeeperHandler.java From servicecomb-java-chassis with Apache License 2.0

5 votes

@Test
public void testCreateBizkeeperCommand() {
  HystrixPlugins.reset();
  ConsumerBizkeeperHandler consumerBizkeeperHandler = new ConsumerBizkeeperHandler();

  Invocation invocation = Mockito.mock(Invocation.class);
  Mockito.when(invocation.getOperationMeta()).thenReturn(Mockito.mock(OperationMeta.class));
  Mockito.when(invocation.getOperationMeta().getMicroserviceQualifiedName()).thenReturn("test1");

  CommandKey.toHystrixCommandGroupKey("groupname", invocation);
  CommandKey.toHystrixCommandKey("groupname", invocation);
  BizkeeperCommand command = consumerBizkeeperHandler.createBizkeeperCommand(invocation);
  Assert.assertNotNull(command);
}

Source File: MicrometerMetricsPublisherCommandTest.java From micrometer with Apache License 2.0

5 votes

@Test
void cumulativeCounters() throws Exception {
    HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance().getMetricsPublisher();
    HystrixPlugins.reset();
    HystrixPlugins.getInstance().registerMetricsPublisher(new MicrometerMetricsPublisher(registry, metricsPublisher));
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("MicrometerCOMMAND-A");

    for (int i = 0; i < 3; i++) {
        new SuccessCommand(key).execute();
        new SuccessCommand(key).execute();
        new SuccessCommand(key).execute();
        Thread.sleep(10);
        new TimeoutCommand(key).execute();
        new SuccessCommand(key).execute();
        new FailureCommand(key).execute();
        new FailureCommand(key).execute();
        new SuccessCommand(key).execute();
        new SuccessCommand(key).execute();
        new SuccessCommand(key).execute();
        Thread.sleep(10);
        new SuccessCommand(key).execute();
    }

    Iterable<Tag> tags = Tags.of("group", "MicrometerGROUP", "key", "MicrometerCOMMAND-A");

    assertExecutionMetric(tags, HystrixEventType.SUCCESS, 24.0);
    assertExecutionMetric(tags, HystrixEventType.TIMEOUT, 3.0);
    assertExecutionMetric(tags, HystrixEventType.FAILURE, 6.0);
    assertExecutionMetric(tags, HystrixEventType.SHORT_CIRCUITED, 0.0);
    assertThat(registry.get("hystrix.circuit.breaker.open").tags(tags).gauge().value()).isEqualTo(0.0);
}

Source File: HmilyHystrixConcurrencyStrategy.java From hmily with Apache License 2.0

5 votes

public HmilyHystrixConcurrencyStrategy() {
    try {
        this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
        if (this.delegate instanceof HmilyHystrixConcurrencyStrategy) {
            return;
        }
        HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins
                .getInstance().getCommandExecutionHook();
        HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance()
                .getEventNotifier();
        HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
                .getMetricsPublisher();
        HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
                .getPropertiesStrategy();
        LOGGER.debug("HystrixEventNotifier:{}, HystrixMetricsPublisher:{}, HystrixPropertiesStrategy:{}",
                eventNotifier, metricsPublisher, propertiesStrategy);
        HystrixPlugins.reset();
        HystrixPlugins.getInstance().registerConcurrencyStrategy(this);
        HystrixPlugins.getInstance()
                .registerCommandExecutionHook(commandExecutionHook);
        HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
        HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
        HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
    } catch (Exception e) {
        LOGGER.error("Failed to register Tracing Hystrix Concurrency Strategy", e);
    }
}

Source File: RaincatHystrixConcurrencyStrategy.java From Raincat with GNU Lesser General Public License v3.0

5 votes

/**
 * Instantiates a new Raincat hystrix concurrency strategy.
 */
public RaincatHystrixConcurrencyStrategy() {
    try {
        this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
        if (this.delegate instanceof RaincatHystrixConcurrencyStrategy) {
            return;
        }
        HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins
                .getInstance().getCommandExecutionHook();
        HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance()
                .getEventNotifier();
        HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
                .getMetricsPublisher();
        HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
                .getPropertiesStrategy();
        LOGGER.debug("HystrixEventNotifier:{}, HystrixMetricsPublisher:{}, HystrixPropertiesStrategy:{}",
                eventNotifier, metricsPublisher, propertiesStrategy);
        HystrixPlugins.reset();
        HystrixPlugins.getInstance().registerConcurrencyStrategy(this);
        HystrixPlugins.getInstance()
                .registerCommandExecutionHook(commandExecutionHook);
        HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
        HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
        HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
    } catch (Exception e) {
        LOGGER.error("Failed to register Tracing Hystrix Concurrency Strategy", e);
    }
}

Source File: HystrixFeignTracingTest.java From feign-opentracing with Apache License 2.0

4 votes

@Override
public void before() throws IOException {
    HystrixPlugins.reset();
    TracingConcurrencyStrategy.register(mockTracer);
    super.before();
}

Source File: HystrixServiceCombAutoConfiguration.java From servicecomb-pack with Apache License 2.0

4 votes

@PostConstruct
public void init() {
  try {
    if (CollectionUtils.isEmpty(hystrixCallableWrappers)) {
      log.info(
          "no hystrixCallableWrapper find ,ServiceCombConcurrencyStrategy ignore Configuration");
      return;
    }
    HystrixConcurrencyStrategy concurrencyStrategy = detectRegisteredConcurrencyStrategy();
    if (concurrencyStrategy instanceof ServiceCombConcurrencyStrategy) {
      log.info(
          "Current Hystrix plugins concurrencyStrategy is ServiceCombConcurrencyStrategy ignore Configuration");
      return;
    }

    // Keeps references of existing Hystrix plugins.
    HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance()
        .getEventNotifier();
    HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
        .getMetricsPublisher();
    HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
        .getPropertiesStrategy();
    HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins.getInstance()
        .getCommandExecutionHook();

    log.info("Current Hystrix plugins configuration is ["
        + "concurrencyStrategy [" + concurrencyStrategy + "]," + "eventNotifier ["
        + eventNotifier + "]," + "metricPublisher [" + metricsPublisher + "],"
        + "propertiesStrategy [" + propertiesStrategy + "]," + "]");
    HystrixPlugins.reset();

    // Registers existing plugins excepts the Concurrent Strategy plugin.
    HystrixPlugins.getInstance().registerConcurrencyStrategy(
        new ServiceCombConcurrencyStrategy(concurrencyStrategy, hystrixCallableWrappers));
    HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
    HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
    HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
    HystrixPlugins.getInstance().registerCommandExecutionHook(commandExecutionHook);

    log.info("Succeeded to register ServiceComb Hystrix Concurrency Strategy");

  } catch (Exception e) {
    log.error("Failed to register ServiceComb Hystrix Concurrency Strategy", e);
  }

}

Java Code Examples for com.netflix.hystrix.strategy.HystrixPlugins#reset()