public void disableProvider(Long id) {
    if (id == null) {
      throw new IllegalStateException("no provider id");
    }

    Provider oldProvider = findProvider(id);
    if (oldProvider == null) {
      throw new IllegalStateException("Provider was changed!");
    }

    if (oldProvider.isDynamic()) {
      // 保证disable的override唯一
      if (oldProvider.isEnabled()) {
        Override override = new Override();
        override.setAddress(oldProvider.getAddress());
        override.setService(oldProvider.getService());
        override.setEnabled(true);
        override.setParams(Constants.DISABLED_KEY + "=true");
        overrideService.saveOverride(override);
        return;
      }
      List<Override> oList =
          overrideService.findByServiceAndAddress(
              oldProvider.getService(), oldProvider.getAddress());

      for (Override o : oList) {
        Map<String, String> params = StringUtils.parseQueryString(o.getParams());
        if (params.containsKey(Constants.DISABLED_KEY)) {
          if (params.get(Constants.DISABLED_KEY).equals("false")) {
            overrideService.deleteOverride(o.getId());
          }
        }
      }
    } else {
      oldProvider.setEnabled(false);
      updateProvider(oldProvider);
    }
  }