dynamic-config/config-nacos/src/main/java/org/apache/servicecomb/config/nacos/NacosDynamicPropertiesSource.java [52:71]:
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  public class UpdateHandler {
    public void handle(Map<String, Object> current, Map<String, Object> last) {
      ConfigurationChangedEvent event = ConfigurationChangedEvent.createIncremental(current, last);
      LOGGER.info("Dynamic configuration changed: {}", event.getChanged());
      valueCache.putAll(event.getAdded());
      valueCache.putAll(event.getUpdated());
      event.getDeleted().forEach((k, v) -> valueCache.remove(k));
      EventManager.post(event);
    }
  }

  @Override
  public PropertySource<?> create(Environment environment) {
    init(environment);
    return new MapPropertySource(SOURCE_NAME, valueCache);
  }

  @Override
  public int getOrder() {
    return 0;
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dynamic-config/config-zookeeper/src/main/java/org/apache/servicecomb/config/zookeeper/ZookeeperDynamicPropertiesSource.java [52:71]:
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  public class UpdateHandler {
    public void handle(Map<String, Object> current, Map<String, Object> last) {
      ConfigurationChangedEvent event = ConfigurationChangedEvent.createIncremental(current, last);
      LOGGER.info("Dynamic configuration changed: {}", event.getChanged());
      valueCache.putAll(event.getAdded());
      valueCache.putAll(event.getUpdated());
      event.getDeleted().forEach((k, v) -> valueCache.remove(k));
      EventManager.post(event);
    }
  }

  @Override
  public PropertySource<?> create(Environment environment) {
    init(environment);
    return new MapPropertySource(SOURCE_NAME, valueCache);
  }

  @Override
  public int getOrder() {
    return 0;
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