Spring 5 Design Patterns

Define aspects using Annotation

Suppose in your bank application, you want to generate log for a money transfer service for auditing and tracking to understand customers' behaviors. A business never succeeds without understanding its customers. Whenever you will think about it from the perspective of a business, an auditing is required but isn't central to the function of the business itself; it's a separate concern. Therefore, it makes sense to define the auditing as an aspect that's applied to a transfer service. Let's see the following code which shows the Auditing class that defines the aspects for this concern:

 package com.packt.patterninspring.chapter6.bankapp.aspect; import org.aspectj.lang.annotation.AfterReturning; import org.aspectj.lang.annotation.AfterThrowing; ...