Summary

This chapter saw us move from the idea of Decision Models being useful to using Decision Tables and business rules hands-on. Based on a business situation of a chocolate shop, we built a simple product recommendation engine that should give you lots of ideas for your own day-to-day work.

We used many important tools along the way and learned how to model our data using the structured editor, making it clearer what information will be passed in and out of our decision model. We created decision tables, increasing in power and functionality to demonstrate just how scalable a decision-making solution they are. And we looked at the other node types and expressions that help us prepare data for use by decision tables.

Behind these tools, we saw a lot of important concepts – we learned a little bit more about the power of FEEL expressions. We looked at how different HIT policies can make our business rules clearer to understand and avoid gaps. And we saw how to design...