Monitoring services and request handlers

Aspects has some trade-offs when used to intercept DAO transactions. Most often we use aspects to monitor services and @Controller transactions. This recipe will show us the easiest way to monitor service and request transactions using transaction management.

Getting started

Open ch05 and add an @Aspect that will monitor EmployeeController's deleteRecord() request handler and EmployeeServiceImpl's readEmployee() using a custom annotation.

How to do it...

After the DAO layer, let us monitor all service and @Controller request transactions by following these steps:

1. This is the first recipe that will showcase the use of custom transaction management annotations in formulating Pointcuts for advices. Using Reflection APIs, create the following method-level annotation inside the org.packt.aop.transaction.annotation package:

@Retention(RetentionPolicy.RUNTIME) 
@Target(ElementType.METHOD) 
public @interface MonitorService {  } 

2. To make @MonitorTransaction transaction...