Spring Boot and RESTful API(7)scheduled Tag

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本文介绍了一个使用 Spring Boot 实现的定时任务示例，通过 Cron 表达式配置每10秒执行一次的任务，展示如何在 Java 项目中进行定时作业的监控与记录。

Spring Boot and RESTful API(7)scheduled Tag

Enable the Schedule on Application
package com.sillycat.jobsmonitorapi;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableScheduling;

@SpringBootApplication
@EnableScheduling
public class JobsMonitorAPIApplication {

public static void main(String[] args) throws Exception {
SpringApplication.run(JobsMonitorAPIApplication.class);
}

}

Cron Service Class
package
com.sillycat.jobsmonitorapi.service;

import java.util.Iterator;
import java.util.List;

import org.apache.commons.collections.IteratorUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import com.j2c.jobsmonitorapi.domain.Job;
import com.j2c.jobsmonitorapi.repository.JobRepositorySolr;

@Component
public class
JobCronService {

@Autowired

JobRepositorySolr jobRepositorySolr;

@Scheduled(cron = "${cron.everyminutes}")
public void hourlyRecordJobCount() {
// https://crontab.guru/every-1-hour
Iterator<Job> jobsIt = jobRepositorySolr.findAll().iterator();
@SuppressWarnings("unchecked")
List<Job> jobs = IteratorUtils.toList(jobsIt);
System.out.println("logging----" + jobs);
}
}

Set up application.yaml every 10 seconds
cron:
everyminutes: '*/10 * * * * *'

References:
http://www.baeldung.com/spring-scheduled-tasks