Advanced Expressions, Decision Models, and Testing
If you listened to our encouragement after Chapters 3 and 4, you may have tried building your own decision models. Hopefully, you then explored the different ways of linking your model to Excel in Chapters 6, 7, and 8 and found the one that works best for you. But as your models become more complex, you may find that things don’t work as smoothly as you’d like.
This chapter aims to fix that – we’ll explain some more features of the FEEL expression language to make your business rules more expressive. We’ll cover ways to structure your decision models to reduce their complexity. We’ll introduce testing, and why it is always better for you to break your rules before anybody else. Along the way, we’ll give you glimpses of editing tools outside of the KIE sandbox that show you how powerful the tools within the KIE ecosystem are.
The chapter will cover the following main topics:
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