[ MemberService 회원 조회 시간 측정 추가 ]
package hello.hellospring.service;
import hello.hellospring.domain.Member;
import hello.hellospring.repository.MemberRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
import java.util.Optional;
// @Service
@Transactional
public class MemberService {
private final MemberRepository memberRepository;
// @Autowired
public MemberService(MemberRepository memberRepository) {
this.memberRepository = memberRepository;
}
/**
* 회원가입
*/
public Long join(Member member) {
long start = System.currentTimeMillis();
try {
validateDuplicateMember(member); //중복 회원 검증
memberRepository.save(member);
return member.getId();
} finally {
long finish = System.currentTimeMillis();
long timeMs = finish - start;
System.out.println("join " + timeMs + "ms");
}
}
private void validateDuplicateMember(Member member) {
memberRepository.findByName(member.getName()).ifPresent(m -> {
throw new IllegalStateException("이미 존재하는 회원입니다.");
});
}
/**
* 전체 회원 조회
*/
public List<Member> findMembers() {
long start = System.currentTimeMillis();
try {
return memberRepository.findAll();
} finally {
long finish = System.currentTimeMillis();
long timeMs = finish - start;
System.out.println("findMembers " + timeMs + "ms");
}
}
public Optional<Member> findOne(Long memberId) {
return memberRepository.findById(memberId);
}
}
다음과 같이 조회 시간이 측정되는 것을 확인할 수 있습니다.
문제
[ 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");
}
}
}
해결
[ AOP 적용 전 의존관계 ]
[ AOP 적용 후 의존관계 ]
[ AOP 적용 전 전체 그림 ]
[ AOP 적용 후 전체 그림 ]
학습중인 스프링 강의 : https://inf.run/pcut
스프링 실습 코드 저장소 : https://github.com/0pyaq0/Spring_Study.git
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