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  • Java任务调度

    最近项目要用到任务调度的相关知识,昨天信心满满的去官网学习,结果被坑个半死,我用的最新版的quartz,文档里说是兼容所有版本,但是代码连编译都报错,无奈只好从网上找资料,摸着石头过河总算有点眉目,在此分享,顺便记录。

    Maven项目:

    pom.xml引用如下: org.quartz-scheduler quartz 2.1.7 org.quartz-scheduler quartz-oracle 2.1.7 org.quartz-scheduler quartz-weblogic 2.1.7 org.quartz-scheduler quartz-jboss 2.1.7

    相关类如下:

    package test.quartz;

    import java.util.Date;

    import org.quartz.Job;

    import org.quartz.JobExecutionContext;

    import org.quartz.JobExecutionException;

    public class SimpleJob implements Job

    {

    // ①实例Job接口方法 public void execute(JobExecutionContext context) throws JobExecutionException { // Say Hello to the World and display the date/time System.out.println("Hello World! - " + new Date());

    }

    }

    package test.quartz;

    import org.quartz.JobBuilder;

    import org.quartz.JobDetail;

    import org.quartz.Scheduler;

    import org.quartz.SchedulerFactory;

    import org.quartz.SimpleScheduleBuilder;

    import org.quartz.Trigger;

    import org.quartz.TriggerBuilder;

    public class SimpleTriggerRunner{

    public static void main(String[] args) throws Exception

    {

    SchedulerFactory schedFact = new org.quartz.impl.StdSchedulerFactory();

    Scheduler sched = schedFact.getScheduler(); // define the job and tie it to our HelloJob class

    JobDetail job = JobBuilder.newJob(SimpleJob.class).withIdentity("myJob", "group1").build(); // Trigger the job to run now, and then every 40 seconds

    Trigger trigger = TriggerBuilder.newTrigger().withIdentity("myTrigger", "group1").startNow().withSchedule(SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(2).repeatForever()).build();

    // Tell quartz to schedule the job using our trigger

    sched.scheduleJob(job, trigger);

    sched.start();

    Thread.sleep(9L * 1000L);

    sched.shutdown(true);

    }

    }

    以上demo是最简单的入门例子,更多复杂的说明还是需要参考文档的说明。

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  • 原文地址:https://www.cnblogs.com/luoxiaolei/p/4274295.html
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