Create New Calculation Engine Implementation

First, we need to create a Groovy library to have a basic function returning something to confirm that the new strategy works at all, before we properly define the Calculation Engine.

1. Create a new Groovy Library logicˇ.

   • We will use "TrainingCalculationEngineLib" name in this guide, but it can be any library logic.

   • Set Valid After to a date in the past (e.g. beginning of the year).

   • Set Status to Active.

2. Add a new Groovy element "TrainingEngine" (or any other) with the calculatePrice() method and very simple implementation.

   BigDecimal calculatePrice() {
       return [result: 5.0, message: "OK"]
   }
   

   For now, it has no parameters (we will discuss parameters later) and it will simply return a price of 5.0 as a result.