Package com.codahale.metrics.health

Examples of com.codahale.metrics.health.HealthCheckRegistry

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  }

  @Override
  public Handler decorate(Injector injector, Handler handler) {
    if (healthChecksEnabled) {
      final HealthCheckRegistry registry = injector.getInstance(HealthCheckRegistry.class);
      GuiceUtil.eachOfType(injector, TypeToken.of(NamedHealthCheck.class), new Action<NamedHealthCheck>() {
        public void execute(NamedHealthCheck healthCheck) throws Exception {
          registry.register(healthCheck.getName(), healthCheck);
        }
      });
    }

    if (jvmMetricsEnabled) {
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                .buildProxy(new ExponentialBackoffRetry(5, 50, 1000, TimeUnit.MILLISECONDS));

        // If using Yammer Metrics or running in Dropwizard (which includes Yammer Metrics), you may want a health
        // check that pings a service you depend on. This will register a simple check that will confirm the service
        // pool contains at least one healthy end point.
        HealthCheckRegistry healthChecks = new HealthCheckRegistry();
        healthChecks.register("calculator-user", ContainsHealthyEndPointCheck.forProxy(service));

        CalculatorProxyUser user = new CalculatorProxyUser(service);
        user.use();

        ServicePoolProxies.close(service);
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                .build();

        // If using Yammer Metrics or running in Dropwizard (which includes Yammer Metrics), you may want a health
        // check that pings a service you depend on. This will register a simple check that will confirm the service
        // pool contains at least one healthy end point.
        HealthCheckRegistry healthChecks = new HealthCheckRegistry();
        healthChecks.register("calculator-user", ContainsHealthyEndPointCheck.forPool(pool));

        CalculatorUser user = new CalculatorUser(pool);
        user.use();

        Closeables.close(pool, true);
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                .buildProxy(new ExponentialBackoffRetry(5, 50, 1000, TimeUnit.MILLISECONDS));

        // If using Yammer Metrics or running in Dropwizard (which includes Yammer Metrics), you may want a health
        // check that pings a service you depend on. This will register a simple check that will confirm the service
        // pool contains at least one healthy end point.
        HealthCheckRegistry healthChecks = new HealthCheckRegistry();
        healthChecks.register("dictionary-user", ContainsHealthyEndPointCheck.forProxy(service));

        DictionaryUser user = new DictionaryUser(service);
        for (String wordFile : parsedArgs.<String>getList("word-file")) {
            user.spellCheck(new File(wordFile));
        }
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  @Override
  public void handle(Context context) throws Exception {

    // TODO: We should consider running health checks on a non request thread, which would allow them to block.

    HealthCheckRegistry registry = context.get(HealthCheckRegistry.class);
    String healthCheckName = context.getPathTokens().get(healthCheckNameToken);

    if (healthCheckName != null) {
      HealthCheck.Result result;
      try {
        result = registry.runHealthCheck(healthCheckName);
      } catch (NoSuchElementException e) {
        result = null;
      }

      if (result == null) {
        context.clientError(404);
      } else {
        context.render(result);
      }
    } else {
      SortedMap<String, HealthCheck.Result> healthCheckResults = registry.runHealthChecks();
      HealthCheckResults wrappedHealthCheckResults = new DefaultHealthCheckResults(healthCheckResults);
      context.render(wrappedHealthCheckResults);
    }
  }
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Related Classes of com.codahale.metrics.health.HealthCheckRegistry

  • com.bazaarvoice.ostrich.examples.calculator.user.CalculatorProxyUser
  • com.bazaarvoice.ostrich.examples.calculator.user.CalculatorUser
  • com.bazaarvoice.ostrich.examples.dictionary.user.DictionaryUser
  • com.cloudera.cdk.morphline.api.MorphlineTest
  • com.codahale.metrics.health.HealthCheck.Result
  • com.codahale.metrics.servlets.experiments.ExampleServer
  • com.codahale.metrics.servlets.HealthCheckServletTest
  • com.ryantenney.metrics.spring.config.annotation.MetricsConfigurationSupport
  • com.ryantenney.metrics.spring.config.annotation.MetricsConfigurerComposite
  • com.ryantenney.metrics.spring.EnableMetricsTest
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