Chapter 4. Application Models
In this chapter, we will cover the following topics:
- Defining the Model representation and order
- Adding data fields to a Model
- Using a float field with configurable precision
- Adding a monetary field to a Model
- Adding relational fields to a Model
- Adding a hierarchy to a Model
- Adding constraint validations to a Model
- Adding computed fields to a Model
- Exposing Related fields stored in other models
- Adding dynamic relations using Reference fields
- Adding features to a Model using inheritance
- Using Abstract Models for reusable Model features
- Using Delegation inheritance to copy features to another Model
