[SpringBoot] AOP

 

 

이 포스팅은 인프런에서 스프링 핵심원리 - 기본편을 듣고 작성한 것입니다.

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AOP: Aspect Oriented Programming

OOP를 보완할 수단으로, 관점 지향 프로그래밍이라고 불린다.

 

시간 측정 AOP 등록

package hello.hellospring.aop;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.stereotype.Component;
   
@Component
@Aspect
  public class TimeTraceAop {
      @Around("execution(* hello.hellospring..*(..))")
      public Object execute(ProceedingJoinPoint joinPoint) throws Throwable {
          long start = System.currentTimeMillis();
          System.out.println("START: " + joinPoint.toString());
          try {
              return joinPoint.proceed();
          } finally {
              long finish = System.currentTimeMillis();
              long timeMs = finish - start;
              System.out.println("END: " + joinPoint.toString()+ " " + timeMs + "ms");
          }
	 }
}