public void initProviders() throws DataBaseException {
    providers = dao.getProviders();
    selectProviderCb.getItems().clear();

    for (Provider provider : providers) {
      selectProviderCb.getItems().add(provider.getName());
    }
    selectProviderCb.setValue(providers.get(0).getName());
  }
  public Provider getProvider(String name) {
    for (Provider provider : providers) {
      if (provider.getName().equals(name)) {
        System.out.println("> " + name);
        return provider;
      }
    }

    return null;
  }