Package com.yammer.tenacity.core.config

Examples of com.yammer.tenacity.core.config.TenacityConfiguration

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    private TenacityPropertyStore() {}

    public static TenacityConfiguration getTenacityConfiguration(TenacityPropertyKey key) {
        final HystrixCommandProperties commandProperties = TenacityCommand.getCommandProperties(key);
        final HystrixThreadPoolProperties threadPoolProperties = TenacityCommand.getThreadpoolProperties(key);
        return new TenacityConfiguration(
                new ThreadPoolConfiguration(
                        threadPoolProperties.coreSize().get(),
                        threadPoolProperties.keepAliveTimeMinutes().get(),
                        threadPoolProperties.maxQueueSize().get(),
                        threadPoolProperties.queueSizeRejectionThreshold().get(),
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        }
    }

    @Test(expected = HystrixRuntimeException.class)
    public void shouldThrowWhenAuthenticateTimesOut() throws AuthenticationException {
        final TenacityConfiguration overrideConfiguration = new TenacityConfiguration();
        overrideConfiguration.setExecutionIsolationThreadTimeoutInMillis(1);

        new TenacityPropertyRegister(
                ImmutableMap.<TenacityPropertyKey, TenacityConfiguration>of(DependencyKey.TENACITY_AUTH_TIMEOUT, overrideConfiguration),
                new BreakerboxConfiguration(),
                mock(ArchaiusPropertyRegister.class))
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    }

    @Test
    public void exceptionsShouldMapTimeouts() throws AuthenticationException {
        try {
            final TenacityConfiguration timeoutConfiguration = new TenacityConfiguration();
            timeoutConfiguration.setExecutionIsolationThreadTimeoutInMillis(1);
            new TenacityPropertyRegister(
                    ImmutableMap.<TenacityPropertyKey, TenacityConfiguration>of(DependencyKey.TENACITY_AUTH_TIMEOUT, timeoutConfiguration),
                    new BreakerboxConfiguration())
            .register();
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    }

    @Test
    public void testGet() throws Exception {
        when(mock.from(anyString())).thenReturn(DependencyKey.EXAMPLE);
        final TenacityConfiguration tenacityConfiguration = resources.client().resource(TENACITY_CONFIGURATION_URI).path(DependencyKey.EXAMPLE.toString()).get(TenacityConfiguration.class);
        assertThat(tenacityConfiguration).isNotNull();
    }
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        assertEquals(commandProperties.executionIsolationThreadTimeoutInMilliseconds().get().intValue(), 987);
    }

    @Test
    public void overriddenProperties() throws Exception {
        final TenacityConfiguration overrideConfiguration = new TenacityConfiguration(
                new ThreadPoolConfiguration(50, 3, 27, 57, 2000, 20),
                new CircuitBreakerConfiguration(1, 2, 3, 2000, 20),
                982);

        final TenacityPropertyRegister tenacityPropertyRegister = new TenacityPropertyRegister(
                ImmutableMap.<TenacityPropertyKey, TenacityConfiguration>of(DependencyKey.OVERRIDE, overrideConfiguration),
                new BreakerboxConfiguration(),
                mock(ArchaiusPropertyRegister.class));

        tenacityPropertyRegister.register();

        assertEquals(new TenacitySuccessCommand(DependencyKey.OVERRIDE).execute(), "value");
        assertEquals(new TenacitySuccessCommand(DependencyKey.OVERRIDE).queue().get(), "value");

        final TenacitySuccessCommand successCommand = new TenacitySuccessCommand(DependencyKey.OVERRIDE);

        assertNotEquals(new TenacitySuccessCommand().getCommandProperties().executionIsolationThreadTimeoutInMilliseconds(), overrideConfiguration.getExecutionIsolationThreadTimeoutInMillis());

        final HystrixCommandProperties commandProperties = successCommand.getCommandProperties();
        assertEquals(commandProperties.executionIsolationThreadTimeoutInMilliseconds().get().intValue(), overrideConfiguration.getExecutionIsolationThreadTimeoutInMillis());
        assertEquals(commandProperties.circuitBreakerErrorThresholdPercentage().get().intValue(), overrideConfiguration.getCircuitBreaker().getErrorThresholdPercentage());
        assertEquals(commandProperties.circuitBreakerRequestVolumeThreshold().get().intValue(), overrideConfiguration.getCircuitBreaker().getRequestVolumeThreshold());
        assertEquals(commandProperties.circuitBreakerSleepWindowInMilliseconds().get().intValue(), overrideConfiguration.getCircuitBreaker().getSleepWindowInMillis());
        assertEquals(commandProperties.metricsRollingStatisticalWindowBuckets().get().intValue(), overrideConfiguration.getCircuitBreaker().getMetricsRollingStatisticalWindowBuckets());
        assertEquals(commandProperties.metricsRollingStatisticalWindowInMilliseconds().get().intValue(), overrideConfiguration.getCircuitBreaker().getMetricsRollingStatisticalWindowInMilliseconds());


        final HystrixThreadPoolProperties threadPoolProperties = successCommand.getThreadpoolProperties();
        final ThreadPoolConfiguration threadPoolConfiguration = overrideConfiguration.getThreadpool();
        assertEquals(threadPoolProperties.coreSize().get().intValue(), threadPoolConfiguration.getThreadPoolCoreSize());
        assertEquals(threadPoolProperties.keepAliveTimeMinutes().get().intValue(), threadPoolConfiguration.getKeepAliveTimeMinutes());
        assertEquals(threadPoolProperties.maxQueueSize().get().intValue(), threadPoolConfiguration.getMaxQueueSize());
        assertEquals(threadPoolProperties.metricsRollingStatisticalWindowBuckets().get().intValue(), threadPoolConfiguration.getMetricsRollingStatisticalWindowBuckets());
        assertEquals(threadPoolProperties.metricsRollingStatisticalWindowInMilliseconds().get().intValue(), threadPoolConfiguration.getMetricsRollingStatisticalWindowInMilliseconds());
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    }

    @Test
    public void queueRejectionWithBlockingQueue() throws Exception {
        final int queueMaxSize = 5;
        final TenacityConfiguration exampleConfiguration = new TenacityConfiguration(
                new ThreadPoolConfiguration(1, 1, 10, queueMaxSize, 10000, 10),
                new CircuitBreakerConfiguration(20, 5000, 50, 10000, 10),
                5000);

        final TenacityPropertyRegister tenacityPropertyRegister = new TenacityPropertyRegister(
                ImmutableMap.<TenacityPropertyKey, TenacityConfiguration>of(DependencyKey.SLEEP, exampleConfiguration),
                new BreakerboxConfiguration(),
                mock(ArchaiusPropertyRegister.class));

        tenacityPropertyRegister.register();

        final ImmutableList.Builder<Future<Optional<String>>> sleepCommands = ImmutableList.builder();
        for (int i = 0; i < queueMaxSize * 2; i++) {
            sleepCommands.add(new SleepCommand(DependencyKey.SLEEP).queue());
        }

        for (Future<Optional<String>> future : sleepCommands.build()) {
            assertFalse(future.isCancelled());
            final Optional<String> result = future.get();
            if (result.isPresent()) {
                assertThat(result.get()).isEqualTo("sleep");
            } else {
                assertThat(result).isEqualTo(Optional.<String>absent());
            }
        }

        final HystrixCommandMetrics sleepCommandMetrics = new SleepCommand(DependencyKey.SLEEP).getCommandMetrics();
        assertThat(sleepCommandMetrics
                .getCumulativeCount(HystrixRollingNumberEvent.THREAD_POOL_REJECTED))
                .isEqualTo(4);
        assertThat(sleepCommandMetrics
                .getCumulativeCount(HystrixRollingNumberEvent.TIMEOUT))
                .isEqualTo(0);
        assertThat(sleepCommandMetrics
                .getCumulativeCount(HystrixRollingNumberEvent.FALLBACK_SUCCESS))
                .isEqualTo(4);
        assertThat(sleepCommandMetrics
                .getCumulativeCount(HystrixRollingNumberEvent.SHORT_CIRCUITED))
                .isEqualTo(0);

        final HystrixThreadPoolProperties threadPoolProperties = new SleepCommand(DependencyKey.SLEEP).getThreadpoolProperties();

        final ThreadPoolConfiguration threadPoolConfiguration = exampleConfiguration.getThreadpool();
        assertEquals(threadPoolProperties.queueSizeRejectionThreshold().get().intValue(), threadPoolConfiguration.getQueueSizeRejectionThreshold());
        assertEquals(threadPoolProperties.maxQueueSize().get().intValue(), threadPoolConfiguration.getMaxQueueSize());

        assertEquals(TenacityPropertyStore.getTenacityConfiguration(DependencyKey.SLEEP), exampleConfiguration);
    }
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        final HystrixThreadPoolProperties threadPoolProperties = new SleepCommand(DependencyKey.EXAMPLE).getThreadpoolProperties();

        //-1 means no limit on the number of items in the queue, which uses the SynchronousBlockingQueue
        assertEquals(threadPoolProperties.maxQueueSize().get().intValue(), -1);
        assertEquals(TenacityPropertyStore.getTenacityConfiguration(DependencyKey.EXAMPLE), new TenacityConfiguration());
    }
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        final CircuitBreakerConfiguration circuitConfig = new CircuitBreakerConfiguration();
        circuitConfig.setErrorThresholdPercentage(1);
        circuitConfig.setRequestVolumeThreshold(1);
        new TenacityPropertyRegister(
                ImmutableMap.<TenacityPropertyKey, TenacityConfiguration>of(
                        DependencyKey.EXAMPLE, new TenacityConfiguration(
                                poolConfig, circuitConfig, timeout
                        )
                ),
                new BreakerboxConfiguration()
        ).register();
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Related Classes of com.yammer.tenacity.core.config.TenacityConfiguration

  • com.yammer.tenacity.core.properties.TenacityPropertyStore
  • com.yammer.tenacity.tests.TenacityAuthenticatorTest
  • com.yammer.tenacity.tests.TenacityCommandFailureCauseTest
  • com.yammer.tenacity.tests.TenacityConfigurationResourceTest
  • com.yammer.tenacity.tests.TenacityContainerExceptionMapperTest
  • com.yammer.tenacity.tests.TenacityPropertiesTest
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