Quartz简单实例

依赖:

看一下整体结构：

首先定义Job

public class HelloJob implements Job {

    private static Logger _log = LoggerFactory.getLogger(HelloJob.class);

    public HelloJob() {
    }

    public void execute(JobExecutionContext context)
        throws JobExecutionException {

        // Say Hello to the World and display the date/time
        _log.info("Hello World! - " + new Date());
    }

}

简单触发示例

public class SimpleExample {
    public void run() throws Exception {
        Logger log = LoggerFactory.getLogger(SimpleExample.class);
        log.info("------- Initializing ----------------------");
        // 定义调度器
        SchedulerFactory sf = new StdSchedulerFactory();
        Scheduler sched = sf.getScheduler();
        log.info("------- Initialization Complete -----------");
        // 获取当前时间的下一分钟
        Date runTime = evenMinuteDate(new Date());
        log.info("------- Scheduling Job  -------------------");
        // 定义job
        // 在quartz中，有组的概念，组+job名称 唯一的
        JobDetail job = newJob(HelloJob.class).withIdentity("job1", "group1").build();
        // 定义触发器，在下一分钟启动
        Trigger trigger = newTrigger().withIdentity("trigger1", "group1").startAt(runTime).build();
        // 将job注册到调度器
        sched.scheduleJob(job, trigger);
        log.info(job.getKey() + " will run at: " + runTime);
        // 启动调度器
        sched.start();
        log.info("------- Started Scheduler -----------------");
        // 等待65秒
        log.info("------- Waiting 65 seconds... -------------");
        try {
            // wait 65 seconds to show job
            Thread.sleep(65L * 1000L);
            // executing...
        } catch (Exception e) {
            //
        }
        // 关闭调度器
        log.info("------- Shutting Down ---------------------");
        sched.shutdown(true);
        log.info("------- Shutdown Complete -----------------");
    }
    public static void main(String[] args) throws Exception {
        SimpleExample example = new SimpleExample();
        example.run();
    }
}

表达式触发示例

public class SimpleCronExample {
    public void run() throws Exception {
        Logger log = LoggerFactory.getLogger(SimpleCronExample.class);
        log.info("------- Initializing ----------------------");
        // 定义调度器
        SchedulerFactory sf = new StdSchedulerFactory();
        Scheduler sched = sf.getScheduler();
        log.info("------- Initialization Complete -----------");
        // 获取当前时间的下一分钟
        Date runTime = evenMinuteDate(new Date());
        log.info("------- Scheduling Job  -------------------");
        // 定义job
        JobDetail job = newJob(HelloJob.class).withIdentity("job1", "group1").build();
        // 定义触发器，每5秒执行一次
        Trigger trigger = newTrigger().withIdentity("trigger1", "group1")
                .withSchedule(cronSchedule("0/5 * * * * ?")).build();
        // 将job注册到调度器
        sched.scheduleJob(job, trigger);
        log.info(job.getKey() + " will run at: " + runTime);
        // 启动调度器
        sched.start();
        log.info("------- Started Scheduler -----------------");
        // 等待1分钟
        log.info("------- Waiting 60 seconds... -------------");
        try {
            Thread.sleep(60L * 1000L);
        } catch (Exception e) {
            //
        }
        // 关闭调度器
        log.info("------- Shutting Down ---------------------");
        sched.shutdown(true);
        log.info("------- Shutdown Complete -----------------");
    }
    public static void main(String[] args) throws Exception {
        SimpleCronExample example = new SimpleCronExample();
        example.run();
    }
}