Java EE 8 Design Patterns and Best Practices

The classic Session Façade pattern scenario

The Session Façade pattern can be used in several architectures. The following diagram shows a classic model of Session Façade usage:

Looking at the preceding diagram, we can see that a client (typically a web component or a Business Delegate implementation) accesses the facade layer. In this architecture, we find some options that depict the use of the Session Façade.

The Façade can handle different business objects (BO). Later in this chapter, we will see a better description of a BO and the business-object pattern. A business object is the representation of a conceptual model, which is a real-world ...