Jarvis Pizzeria: Fourth step in Implementing the Order Processing, Decision Model by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

In our previous blog we gave an overview of the various type of decisions that are available for a Decision Model. In this blog we show by means of an example that Decision Models can also be used for making complex decisions. We are going to make a decision model that determines the order of preparation of the pizzas in an order.
The order of preparation is determined by the baking time, the total preparation time of each pizza and the number of available ovens (1 pizza per oven). Let’s assume that we have an order for the following 9 pizzas:

1. Small Margherita
2. Large Margherita
3. Small Pepperoni
4. Medium Pepperoni
5. Medium Pepperoni
6. Large Pepperoni
7. Small Quarttro Stagioni
8. Medium Quarttro Stagioni
9. Large Quarttro Stagioni

Expected outcome

The pizzas with the longest baking time are prepared first. When pizzas have the same baking time, the total preparation time is also taken into account to determine the order. As a result, to determine the sort order we first need to determine the baking time and total preparation time for each pizza.

Because not all pizzas can be prepared at the same time, pizzas that are not in the oven will have a waiting time. Once we have established the order, we can also determine the waiting time per pizza. We explain this with the help of the figure below. Read the complete article here.

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