Trigger替换Demo - 技术栈

maven工程

pom依赖

复制代码

<dependency>
    <groupId>org.quartz-scheduler</groupId>
    <artifactId>quartz</artifactId>
    <version>2.2.1</version>
</dependency>

复制代码

import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

/**
 * @author hrui
 * @date 2023/11/17 0:52
 */
public class MyJob implements Job {
    @Override
    public void execute(JobExecutionContext context) throws JobExecutionException {
        //Object user = context.getJobDetail().getJobDataMap().get("user");
        Object user = context.getTrigger().getJobDataMap().get("user");
        System.out.println(user+"在执行任务");
    }
}

import org.quartz.*;
import org.quartz.impl.StdSchedulerFactory;

/**
 * @author hrui
 * @date 2023/11/17 0:52
 */
public class Test {

    public static void main(String[] args) throws SchedulerException {
        Scheduler scheduler= StdSchedulerFactory.getDefaultScheduler();

        JobDetail jobDetail= JobBuilder.newJob(MyJob.class).withIdentity("job1", "group1")
                .build();

        Trigger trigger=TriggerBuilder.newTrigger().withIdentity("trg1", "tg1")
                .usingJobData("user", "用户1")
                .withSchedule(CronScheduleBuilder.cronSchedule("*/2 * * * * ?")).build();

        scheduler.scheduleJob(jobDetail, trigger);

        scheduler.start();

        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        Trigger newTrigger = TriggerBuilder.newTrigger()
                .withIdentity("newTrigger", "tg1")
                .startNow()
                .usingJobData("user", "用户2")
                .withSchedule(CronScheduleBuilder.cronSchedule("*/3 * * * * ?"))
                .build();
        // 替换原始触发器 替换之后,原来的触发器会被删除
        scheduler.rescheduleJob(trigger.getKey(), newTrigger);
        

        Trigger trigger1 = scheduler.getTrigger(trigger.getKey());
        System.out.println(trigger1);


        Trigger trigger2 = scheduler.getTrigger(newTrigger.getKey());
        System.out.println(trigger2);

    }
}

执行结果

解决日志问题

引入日志依赖 pom文件

复制代码

<dependencies>
    <dependency>
        <groupId>org.quartz-scheduler</groupId>
        <artifactId>quartz</artifactId>
        <version>2.2.1</version>
    </dependency>
    <!--log4j-->
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-log4j12</artifactId>
        <version>1.7.12</version>
    </dependency>
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.17</version>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>RELEASE</version>
        <scope>compile</scope>
    </dependency>

</dependencies>

resources下新建 log4j.properties文件

复制代码

# 设置日志级别为INFO
log4j.rootCategory=INFO, stdout

# 输出到控制台的appender配置
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

# 输出到文件的appender配置
log4j.appender.file=org.apache.log4j.RollingFileAppender
#log4j.appender.file.File=/path/to/quartz.log
log4j.appender.file.File=F:/quartz.log
log4j.appender.file.MaxFileSize=10MB
log4j.appender.file.MaxBackupIndex=5
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

# 配置quartz的日志级别为INFO，并将日志输出到控制台和文件
log4j.logger.org.quartz=INFO, stdout, file