com.netflix.config.DynamicBooleanProperty Java Examples

public static void main(String[] args) throws Exception {
  // set apollo meta server address, adjust to actual address if necessary
  String apolloConfigServiceUrl = "http://localhost:8080";

  String appId = "netflix-archaius";
  System.setProperty(ARCHAIUS_ADD_ITIONAL_URLS,
      apolloConfigServiceUrl + "/configfiles/" + appId + "/default/application");

  DynamicBooleanProperty hystrixForceClosedProperty = DynamicPropertyFactory.getInstance()
      .getBooleanProperty("hystrix.command.default.circuitBreaker.forceClosed", false);

  //Archaius 默认30秒从服务端更新一次配置信息
  hystrixForceClosedProperty.addCallback(
      () -> System.out.println("[" + LocalDateTime.now().toString() + "] update forceClosed :" +  hystrixForceClosedProperty.get()));

  while (true) {
    System.in.read();
  }
}
 

private void registerEureka() {
	DynamicBooleanProperty eurekaEnabled = DynamicPropertyFactory.getInstance().getBooleanProperty("eureka.enabled",
			true);
	if (!eurekaEnabled.get())
		return;

	EurekaInstanceConfig eurekaInstanceConfig = new PropertiesInstanceConfig() {
	};
       ConfigurationManager.getConfigInstance().setProperty("eureka.statusPageUrl","http://"+ getTurbineInstance());

	DiscoveryManager.getInstance().initComponent(eurekaInstanceConfig, new DefaultEurekaClientConfig());

	final DynamicStringProperty serverStatus = DynamicPropertyFactory.getInstance()
			.getStringProperty("server." + IPUtil.getLocalIP() + ".status", "up");
	DiscoveryManager.getInstance().getDiscoveryClient().registerHealthCheckCallback(new HealthCheckCallback() {
		@Override
		public boolean isHealthy() {
			return serverStatus.get().toLowerCase().equals("up");
		}
	});

	String version = String.valueOf(System.currentTimeMillis());
	String group = ConfigurationManager.getConfigInstance().getString("server.group", "default");
	String dataCenter = ConfigurationManager.getConfigInstance().getString("server.data-center", "default");

	Map<String, String> metadata = new HashMap<String, String>();
	metadata.put("version", version);
	metadata.put("group", group);
	metadata.put("dataCenter", dataCenter);

	String turbineInstance = getTurbineInstance();
	if (turbineInstance != null) {
		metadata.put("turbine.instance", turbineInstance);
	}

	ApplicationInfoManager.getInstance().registerAppMetadata(metadata);
}
 

public boolean isRegistryAutoDiscovery() {
  DynamicBooleanProperty property =
      DynamicPropertyFactory.getInstance()
          .getBooleanProperty("servicecomb.service.registry.autodiscovery",
              false);
  return property.get();
}
 

public boolean isAlwaysOverrideSchema() {
  DynamicBooleanProperty property =
      DynamicPropertyFactory.getInstance()
          .getBooleanProperty("servicecomb.service.registry.instance.alwaysOverrideSchema",
              false);
  return property.get();
}
 

public boolean isPreferIpAddress() {
  DynamicBooleanProperty property =
      DynamicPropertyFactory.getInstance()
          .getBooleanProperty("servicecomb.service.registry.instance.preferIpAddress",
              false);
  return property.get();
}
 

public boolean isWatch() {
  DynamicBooleanProperty property =
      DynamicPropertyFactory.getInstance()
          .getBooleanProperty("servicecomb.service.registry.instance.watch",
              true);
  return property.get();
}
 

public static boolean chooseBooleanChannelProperty(
        String listenAddressName, String propertySuffix, boolean defaultValue) {
    String globalPropertyName = "server." + propertySuffix;
    String listenAddressPropertyName = "server." + listenAddressName + "." + propertySuffix;

    Boolean value = new ChainedDynamicProperty.DynamicBooleanPropertyThatSupportsNull(
            listenAddressPropertyName, null).get();
    if (value == null) {
        value = new DynamicBooleanProperty(globalPropertyName, defaultValue).getDynamicProperty().getBoolean();
        if (value == null) {
            value = defaultValue;
        }
    }
    return value;
}
 

private void updateInstanceStatusToEureka() {
	DynamicBooleanProperty eurekaEnabled = DynamicPropertyFactory.getInstance().getBooleanProperty("eureka.enabled",
			true);
	if (!eurekaEnabled.get()) return;
       ApplicationInfoManager.getInstance().setInstanceStatus(InstanceInfo.InstanceStatus.UP);
}
 

@Override
public boolean getBooleanProperty(String propertyName, Consumer<Boolean> consumer, boolean defaultValue) {
  DynamicBooleanProperty prop = propertyFactoryInstance().getBooleanProperty(propertyName, defaultValue);
  prop.addCallback(() -> consumer.accept(prop.get()));
  return prop.get();
}
 

@Override
public boolean getBoolean(String key, boolean defaultValue, Runnable callback) {
    final DynamicBooleanProperty property = DynamicPropertyFactory.getInstance().getBooleanProperty(key, defaultValue, callback);
    return property.get();
}
 

public void setIsDualWriteEnabled(DynamicBooleanProperty booleanProperty) {
    this.isDualWriteEnabled = booleanProperty;
}
 

@Override
public boolean shouldFilter(HttpRequestMessage request) {

    DynamicBooleanProperty debugFilterShutoff = new DynamicBooleanProperty(ZuulConstants.ZUUL_DEBUGFILTERS_DISABLED, false);

    if (debugFilterShutoff.get()) return false;

    if (isDisabled()) return false;

    String isSurgicalFilterRequest = request.getHeaders().getFirst(ZuulHeaders.X_ZUUL_SURGICAL_FILTER);
    // dont' apply filter if it was already applied
    boolean notAlreadyFiltered = !("true".equals(isSurgicalFilterRequest));

    return notAlreadyFiltered && patternMatches(request);
}
 

/**
 * @param key
 *         配置项的key
 * @param defaultValue
 *         如果取回的配置项值为空, 应该返回的默认值
 *
 * @return 配置项的值
 */
@Override
public boolean getBoolean(String key, boolean defaultValue) {
    final DynamicBooleanProperty property = DynamicPropertyFactory.getInstance().getBooleanProperty(key, defaultValue);
    return property.get();
}