public class TopSellerRecommendationPanel extends AbstractShopBasePanel {

    @SpringBean
    private FeatureToogleBean featureToogleBean;

    ...

    @Override
    protected void onConfigure() {
      super.onConfigure();
      setVisible(featureToogleBean.isTopSellerFeatureEnabled());
    }

    ...

}

• Development:
  • Reduction of development speed
  • Increase of turnaround times
  • Increase of build time
  • Strange behavior after changes
  • Application Scalability
• Product Management:
  • Increase of time to market
  • A/B testing of process changes nearly impossible
  • Scalability of Workload

{
        firstname: "Bernd",
        lastname: "Zuther",
        street: "Elsenheimerstraße 55a",
        city: "München",
        zip: 80687
}

{
        firstname: "Bernd",
        lastname: "Zuther",
        birthday: "1983/08/15",
        street: "Elsenheimerstraße 55a",
        city: "München",
        zip: 80687
}

{
        firstname: "Bernd",
        lastname: "Zuther",
        birthday: "1983/08/15",
        addresses : [{
          street: "Elsenheimerstraße 55a",
          city: "München",
          zip: 80687,
          type: "WORK"
        }]
}

{
        firstname: "Bernd",
        lastname: "Zuther",
        birthday: "1983/08/15",
        street: "Elsenheimerstraße 55a",
        city: "München",
        zip: 80687,
        addresses : [{
          street: "Elsenheimerstraße 55a",
          city: "München",
          zip: 80687,
          type: "WORK"
        }]
}

• URL:
  • simply whack the API version into the URL, e.g. https://shop/api/v2/cart/all
• Custom request header:
  • same URL as before but add a header “api-version: 2”
• Accept header:
  • modify accept header to specify the version, e.g. “Accept: application/vnd.cart.v2+json”