Defining use cases to demonstrate interaction patterns

Download the Loan Origination application from the downloadable files of Chapter 5, Interaction Patterns. The downloaded project contains the processes and components described in the upcoming sections. This section will help you understand the different processes that we will be covering in this chapter.

The BackOffice process

The BackOffice process invokes the loan origination process using the Message Throw Event (RequestLoanOrigination). Upon receiving the response from the Loan Origination process on the Message Catch Event (RespLoanOrigination), the BackOffice process initiates a feedback process. When the feedback process is completed, the feedback process raises an event. The BackOffice process resumes when it gets a message on the subscribed queue on which it's waiting for the feedback to complete. The following screenshot showcases the BackOffice process model:

The Loan origination process

The Loan Origination process checks for...