How to use

add

method

in

com.codahale.metrics.SharedMetricRegistries

public static MetricRegistry getOrCreate(String name) {
  final MetricRegistry existing = REGISTRIES.get(name);
  if (existing == null) {
    final MetricRegistry created = new MetricRegistry();
    final MetricRegistry raced = add(name, created);
    if (raced == null) {
      return created;
    }
    return raced;
  }
  return existing;
}

/**
 * Sets the provided registry as the default one under the provided name
 *
 * @param name           the default registry name
 * @param metricRegistry the default registry
 * @throws IllegalStateException if the default registry has already been set
 */
public static MetricRegistry setDefault(String name, MetricRegistry metricRegistry) {
  if (defaultRegistryName.compareAndSet(null, name)) {
    add(name, metricRegistry);
    return metricRegistry;
  }
  throw new IllegalStateException("Default metric registry name is already set.");
}

 throws Exception
SharedMetricRegistries.add(Constants.METRICS_NAME, environment.metrics());
environment.getObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
environment.getObjectMapper().setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE);

  public static MetricRegistry getOrCreate(String name) {
    final MetricRegistry existing = REGISTRIES.get(name);
    if (existing == null) {
      final MetricRegistry created = new MetricRegistry();
      final MetricRegistry raced = add(name, created);
      if (raced == null) {
        return created;
      }
      return raced;
    }
    return existing;
  }
}

  public static MetricRegistry getOrCreate(String name) {
    final MetricRegistry existing = REGISTRIES.get(name);
    if (existing == null) {
      final MetricRegistry created = new MetricRegistry();
      final MetricRegistry raced = add(name, created);
      if (raced == null) {
        return created;
      }
      return raced;
    }
    return existing;
  }
}

@PostConstruct
public void start() {
 SharedMetricRegistries.add(application.getPackageName(), registry);
}
// end::start[]

@Override
public void initialize(Bootstrap<?> bootstrap) {
  // add shared metrics registry to be used by Jobs, since defaultRegistry
  // has been removed
  SharedMetricRegistries.add(Job.DROPWIZARD_JOBS_KEY, bootstrap.getMetricRegistry());
}

@PostConstruct
public void start() {
 SharedMetricRegistries.add(application.getPackageName(), registry);
}
// end::start[]

@Bean(name = "macMetricRegistry")
public MacGyverMetricRegistry macMetricRegistry() {
  MacGyverMetricRegistry registry = new MacGyverMetricRegistry();
  SharedMetricRegistries.add("macMetricRegistry", registry);
  Slf4jReporter r = Slf4jReporter.forRegistry(registry)
      .withLoggingLevel(LoggingLevel.DEBUG)
      .convertDurationsTo(TimeUnit.MILLISECONDS)
      .convertRatesTo(TimeUnit.SECONDS)
      .outputTo(LoggerFactory.getLogger("io.macgyver.metrics"))
      .build();
  r.start(60, TimeUnit.SECONDS);
  return registry;
}

@Override
public final void run(final T config, final Environment environment) throws Exception {
  SharedMetricRegistries.add("matrix", environment.metrics());
  environment.getObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
  environment.getObjectMapper().setSerializationInclusion(Include.NON_NULL);

MetricRegistry other = SharedMetricRegistries.add(metricsOptions.getName(), registry);
if (other != null && other instanceof Registry) {
 registry = (Registry) other;

boolean shutdown = true;
if (metricsOptions.getRegistryName() != null) {
 MetricRegistry other = SharedMetricRegistries.add(metricsOptions.getRegistryName(), registry);
 if (other != null) {
  registry = other;

@Override
public void run(PushServerConfiguration config, Environment environment) throws Exception {
 SharedMetricRegistries.add(Constants.METRICS_NAME, environment.metrics());
 environment.getObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 JedisPool           redisClient         = new RedisClientFactory(config.getRedisConfiguration()).getRedisClientPool();
 ServerAuthenticator serverAuthenticator = new ServerAuthenticator(config.getAuthenticationConfiguration());
 List<Server>        servers             = config.getAuthenticationConfiguration().getServers();
 UnregisteredQueue   apnQueue            = new UnregisteredQueue(redisClient, environment.getObjectMapper(), servers, "apn");
 UnregisteredQueue   gcmQueue            = new UnregisteredQueue(redisClient, environment.getObjectMapper(), servers, "gcm");
 APNSender apnSender = initializeApnSender(redisClient, apnQueue, config.getApnConfiguration());
 GCMSender gcmSender = initializeGcmSender(gcmQueue, config.getGcmConfiguration());
 environment.lifecycle().manage(apnSender);
 environment.lifecycle().manage(gcmSender);
 environment.jersey().register(AuthFactory.binder(new BasicAuthFactory<>(serverAuthenticator, "PushServer", Server.class)));
 environment.jersey().register(new PushController(apnSender, gcmSender));
 environment.jersey().register(new FeedbackController(gcmQueue, apnQueue));
 environment.healthChecks().register("Redis", new RedisHealthCheck(redisClient));
}