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Quartz与Spring集成的两种方法示例

Quartz与Spring集成方式:

1.MethodInvokeJobDetailFactoryBean

2.JobDetailBean

下面分别介绍这两种方式。

1.MethodInvokeJobDetailFactoryBean

1)创建一个Job类,此类不需要实现任何接口,不需要继承任何类

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public class MyJobTest {

     public void execute(){

         System.out.println( "正在执行quartz任务的一个方法。。。" );

     }

}

2)配置XML

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<!-- 第一种集成方式:MethodInvokingJobDetailFactoryBean,并且job类,直接是pojo类,与普通类没有区别 -->

     <!-- 定义具体的任务类 -->

     < bean id = "myJob" class = "com.high.quartz.MyJobTest" />

     <!-- 定义JobDetail -->

     < bean id = "jobDetail" class = "org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean" >

         <!-- 目标类 -->

         < property name = "targetObject" ref = "myJob" />

         <!-- 目标类中要执行的方法,这个参数是必须的 -->

         < property name = "targetMethod" value = "execute" />

     </ bean >

     <!-- 定义simpleTrigger触发器 -->

     < bean id = "simpleTaskTrigger" class = "org.springframework.scheduling.quartz.SimpleTriggerFactoryBean" >

         <!-- 延迟10秒启动,然后每隔3秒执行一次,一共执行8次 -->

         < property name = "jobDetail" ref = "jobDetail" />

         < property name = "repeatCount" value = "8" />

         < property name = "startDelay" value = "10000" />

         < property name = "repeatInterval" value = "3000" />

     </ bean >

     <!-- 定义cronTrigger触发器 -->

     < bean id = "cronTaskTrigger" class = "org.springframework.scheduling.quartz.CronTriggerFactoryBean" >

         < property name = "jobDetail" ref = "jobDetail" />

         <!-- 下午4点25分开始,每5秒执行一次 -->

         < property name = "cronExpression" value = "0/5 25 16 ? * *" />

     </ bean >

     <!-- 设置调度 -->

     < bean class = "org.springframework.scheduling.quartz.SchedulerFactoryBean" >

         < property name = "triggers" >

             < ref bean = "cronTaskTrigger" />

         </ property >

     </ bean >

2.JobDetailBean

1)需要继承QuartzJobBean类或者实现Job方法

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public class MyJobBeanTest extends QuartzJobBean {

     @Override

     protected void executeInternal(JobExecutionContext context) throws JobExecutionException {

         System.out.println( "测试Quartz:Hello Quartz" );

     }

}

2)配置XML

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<!-- 第二种配置方式,需要继承QuartzJobBean -->

     <!-- jobClass关联到一个继承自QuartzJobBean的类,它实现了Quartz作业接口。调用到这个作业的时候,它的executeInternal将被执行。-->

     < bean id = "jobDetail" class = "org.springframework.scheduling.quartz.JobDetailFactoryBean" >

         < property name = "jobClass" value = "com.high.quartz.MyJobBeanTest" />

         < property name = "durability" value = "true" />

     </ bean >

     < bean id = "simpleTrigger" class = "org.springframework.scheduling.quartz.SimpleTriggerFactoryBean" >

         < property name = "jobDetail" ref = "jobDetail" />

         < property name = "startDelay" value = "3000" />

         < property name = "repeatInterval" value = "2000" />

     </ bean >

     < bean id = "cronTrigger" class = "org.springframework.scheduling.quartz.CronTriggerFactoryBean" >

         < property name = "jobDetail" ref = "jobDetail" />

         < property name = "cronExpression" value = "0/5 46 16 ? * *" />

     </ bean >

     <!-- 总管理类,如果lazy-init='false' 那么容器启动就会指定调度程序 -->

     < bean id = "startQuartz" lazy-init = "false" autowire = "no" class = "org.springframework.scheduling.quartz.SchedulerFactoryBean" >

         <!-- 管理trigger -->

         < property name = "triggers" >

             < list >

                 < ref bean = "cronTrigger" />

             </ list >

         </ property >

     </ bean >

3.两种集成方式的简单说明

1)使用MethodInvokeJobDetailFactoryBean则需要指定targetObject(任务实例)和targetMethod(实例中要执行的方法)

2)使用QuartzJobBean,需要继承。

前者优点是无侵入,业务逻辑简单,一目了然,缺点是无法持久化。

从我使用的经验来说,我更推荐的第二种,其中一个很重要的原因就是因为定时任务中注入相关Service的时候,后者可以直接注入,而前者还需要进行Scheduler的替换修改。

以上就是Quartz与Spring集成的两种方法示例的详细内容,更多关于Quartz与Spring集成方法的资料请关注其它相关文章!

原文链接:https://blog.csdn.net/huanongying123/article/details/76400975

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