Java Code Examples for com.netflix.config.DynamicPropertyFactory#getBackingConfigurationSource()

protected void selectPort(String cfgKey) {
  String endpoint = DynamicPropertyFactory.getInstance().getStringProperty(cfgKey, null).get();
  if (endpoint == null) {
    return;
  }

  URI uri = URI.create("http://" + endpoint);
  if (uri.getPort() == 0) {
    int port = getRandomPort();
    try {
      ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration) DynamicPropertyFactory
          .getBackingConfigurationSource();
      endpoint = new URIBuilder("http://" + endpoint).setPort(port).build().toString().substring(7);
      config.getConfiguration(0).setProperty(cfgKey, endpoint);
      LOGGER.info("change {} to {}.", cfgKey, endpoint);
    } catch (URISyntaxException e) {
      throw new IllegalStateException("Failed to build endpoint.", e);
    }
  }
}
 

@Override
public void onBootEvent(BootEvent event) {
  if (!EventType.BEFORE_PRODUCER_PROVIDER.equals(event.getEventType())) {
    return;
  }

  TransportClientConfig.setRestTransportClientCls(EdgeRestTransportClient.class);
  TransportConfig.setRestServerVerticle(EdgeRestServerVerticle.class);

  String defaultExecutor = DynamicPropertyFactory.getInstance()
      .getStringProperty(ExecutorManager.KEY_EXECUTORS_DEFAULT, null)
      .get();
  if (defaultExecutor != null) {
    LOGGER.info("Edge service default executor is {}.", defaultExecutor);
    return;
  }

  // change default to reactive mode
  Configuration configuration = (Configuration) DynamicPropertyFactory.getBackingConfigurationSource();
  configuration.setProperty(ExecutorManager.KEY_EXECUTORS_DEFAULT, ExecutorManager.EXECUTOR_REACTIVE);
  LOGGER.info("Set ReactiveExecutor to be edge service default executor.");
}
 

@Override
@SuppressWarnings("try")
public void onStartup(ServletContext servletContext) throws ServletException {
  if (StringUtils.isEmpty(ServletConfig.getServletUrlPattern())) {
    // ensure the servlet will be instantiated
    Configuration configuration = (Configuration) DynamicPropertyFactory.getBackingConfigurationSource();
    configuration.setProperty(ServletConfig.KEY_SERVLET_URL_PATTERN, ServletConfig.DEFAULT_URL_PATTERN);
  }

  if (this.factory == null) {
    // when running in external tomcat, WebServerFactoryCustomizer will not be available, but now tomcat
    // is already listening and we can call ServletUtils.init directly.
    ServletUtils.init(servletContext);
    return;
  }

  if (factory.getPort() == 0) {
    LOGGER.warn(
        "spring boot embedded web container listen port is 0, ServiceComb will not use container's port to handler REST request.");
    return;
  }

  // when running in embedded tomcat, web container did not listen now. Call ServletUtils.init needs server is ready,
  // so mock to listen, and then close.
  try (ServerSocket ss = new ServerSocket(factory.getPort(), 0, factory.getAddress())) {
    ServletUtils.init(servletContext);
  } catch (IOException e) {
    throw new ServletException(e);
  }
}
 

public static void setProperty(String key, Object value) {
  // ensure have instance
  DynamicPropertyFactory.getInstance();

  ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration) DynamicPropertyFactory
      .getBackingConfigurationSource();
  if (value != null) {
    config.getConfiguration(0).setProperty(key, value);
    return;
  }

  config.getConfiguration(0).clearProperty(key);
}
 

@Test
public void globalRefresh() {
  PriorityProperty<String> property = priorityPropertyManager.createPriorityProperty(String.class, null, null, keys);

  Assert.assertNull(property.getValue());

  ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration) DynamicPropertyFactory
      .getBackingConfigurationSource();
  config.addConfiguration(new MapConfiguration(Collections.singletonMap(high, "high-value")));

  Assert.assertEquals("high-value", property.getValue());
}
 

/**
 * 获取key包含prefix前缀的所有配置项
 */
public static Map<String, String> getPropertiesWithPrefix(String prefix) {
  Object config = DynamicPropertyFactory.getBackingConfigurationSource();
  if (!Configuration.class.isInstance(config)) {
    return new HashMap<>();
  }

  return getPropertiesWithPrefix((Configuration) config, prefix);
}
 

private void loadConfigurations() {
  ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration) DynamicPropertyFactory
      .getBackingConfigurationSource();
  configurations = URLMappedConfigurationLoader.loadConfigurations(config, KEY_MAPPING_PREFIX);
  config.addConfigurationListener(event -> {
    if (event.getPropertyName().startsWith(KEY_MAPPING_PREFIX)) {
      LOG.info("Map rule have been changed. Reload configurations. Event=" + event.getType());
      configurations = URLMappedConfigurationLoader.loadConfigurations(config, KEY_MAPPING_PREFIX);
    }
  });
}
 

private void loadConfigurations() {
  ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration) DynamicPropertyFactory
      .getBackingConfigurationSource();
  configurations = URLMappedConfigurationLoader.loadConfigurations(config, KEY_MAPPING_PREFIX);
  config.addConfigurationListener(event -> {
    if (event.getPropertyName().startsWith(KEY_MAPPING_PREFIX)) {
      LOG.info("Map rule have been changed. Reload configurations. Event=" + event.getType());
      configurations = URLMappedConfigurationLoader.loadConfigurations(config, KEY_MAPPING_PREFIX);
    }
  });
}
 

private void loadConfigurations(String prefix) {
  ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration) DynamicPropertyFactory
      .getBackingConfigurationSource();
  loadConfigurations(config, prefix);
  config.addConfigurationListener(event -> {
    if (event.getPropertyName().startsWith(prefix)) {
      LOG.info("Access rule have been changed. Reload configurations. Event=" + event.getType());
      loadConfigurations(config, prefix);
    }
  });
}
 

@Test
public void testGetServletUrlPattern() {
  DynamicPropertyFactory.getInstance();
  Configuration configuration = (Configuration) DynamicPropertyFactory.getBackingConfigurationSource();
  configuration.setProperty(ServletConfig.KEY_SERVLET_URL_PATTERN, "/*");
  Assert.assertEquals("/*", ServletConfig.getServletUrlPattern());
}
 

public FilterChainsConfig(TransportFiltersConfig transportFiltersConfig, InvocationType type) {
  this.transportFiltersConfig = transportFiltersConfig;

  Configuration config = (Configuration) DynamicPropertyFactory.getBackingConfigurationSource();
  String root = FILTER_CHAINS_PREFIX + type.name().toLowerCase(Locale.US);
  defaultChain = resolve(ConfigUtil.getStringList(config, root + ".default"));
  loadMicroserviceChains(config, root + ".policies");
}
 

public static Object getProperty(String key) {
  Object config = DynamicPropertyFactory.getBackingConfigurationSource();
  return getProperty(config, key);
}