Spring-scheduling-cron

anonymous·2022년 7월 19일

사용 방법

1 servlet-context.xml/root-context.xml task 추가

	xsi:schemaLocation="http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd
		http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
		http://www.springframework.org/schema/task   
        http://www.springframework.org/schema/task/spring-task.xsd">

2 TASK 추가

<!--  CRON 스케줄링 -->
	<task:annotation-driven scheduler="scheduler"/>
	<task:scheduler id="scheduler" pool-size="10"/>
	<context:component-scan base-package="com.restapi.Scheduler" />

3 TASK 실행 메소드 넣기

package com.diquest.Scheduler;

import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import lombok.extern.slf4j.Slf4j;

@Slf4j
@Component
public class SchedulerService {
	//크론탭 = 초 분 시 일 월 요일
//	@Scheduled(cron="0 10 16 * * *")
	@Scheduled(cron="0/5 1* * * * *")
    public synchronized void TestScheduler() throws Exception{
		System.out.println("cron 테스트 : 5초에 1번씩 console 찍기");
    }
}

(옵션) XML 등록 방식도 가능

<task:scheduled-tasks>
    <!-- 5초에 1번씩 -->    <task:scheduled ref="SchedulerService" method="TestScheduler" cron="0/5 * * * * ?"/>
</task:scheduled-tasks>