Java Quartz任务(Fu++聚合支付收款云平台)
在Quartz调度框架中,每个作业将被连接到一个唯一的触发,并且由调度器运行它。
注意:在 Quartz 中,一个触发器触发多个作业是不可以的。 下面我们创建3个作业,JobA,JobB和JobC。
package com.fujaja.quartz;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
public class JobA implements Job {
@Override
public void execute(JobExecutionContext context)
throws JobExecutionException {
System.out.println("Fu++ Job A is runing //every 5 seconds ");
}
}
package com.fujaja.quartz;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
public class JobB implements Job {
@Override
public void execute(JobExecutionContext context)
throws JobExecutionException {
System.out.println("Fu++ Job B is runing");
}
}
package com.fujaja.quartz;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
public class JobC implements Job {
@Override
public void execute(JobExecutionContext context)
throws JobExecutionException {
System.out.println("Fu++ Job C is runing");
}
}
使用QuartzAPI声明上述3个作业,分配它们到特定触发器并调度它。
package com.fujaja.quartz;
import org.quartz.CronScheduleBuilder;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.quartz.impl.StdSchedulerFactory;
public class CronTriggerExample {
public static void main( String[] args ) throws Exception
{
JobKey jobKeyA = new JobKey("jobA", "group1");
JobDetail jobA = JobBuilder.newJob(JobA.class)
.withIdentity(jobKeyA).build();
JobKey jobKeyB = new JobKey("jobB", "group1");
JobDetail jobB = JobBuilder.newJob(JobB.class)
.withIdentity(jobKeyB).build();
JobKey jobKeyC = new JobKey("jobC", "group1");
JobDetail jobC = JobBuilder.newJob(JobC.class)
.withIdentity(jobKeyC).build();
Trigger trigger1 = TriggerBuilder
.newTrigger()
.withIdentity("dummyTriggerName1", "group1")
.withSchedule(
CronScheduleBuilder.cronSchedule("0/5 * * * * ?"))
.build();
Trigger trigger2 = TriggerBuilder
.newTrigger()
.withIdentity("dummyTriggerName2", "group1")
.withSchedule(
CronScheduleBuilder.cronSchedule("0/5 * * * * ?"))
.build();
Trigger trigger3 = TriggerBuilder
.newTrigger()
.withIdentity("dummyTriggerName3", "group1")
.withSchedule(
CronScheduleBuilder.cronSchedule("0/5 * * * * ?"))
.build();
Scheduler scheduler = new StdSchedulerFactory().getScheduler();
scheduler.start();
scheduler.scheduleJob(jobA, trigger1);
scheduler.scheduleJob(jobB, trigger2);
scheduler.scheduleJob(jobC, trigger3);
}
}
输出结果如下:
Fu++ Job A is runing //every 5 seconds
Fu++ Job B is runing
Fu++ Job C is runing
Fu++ Job A is runing //every 5 seconds
Fu++ Job B is runing
Fu++ Job C is runing