如何在石英作业中使用@Autowired? [英] How to use @Autowired in a Quartz Job?

问题描述

我在用石英和弹簧 我想在工作课程中注入/使用另一个课程 而且我不知道如何正确地做

i am using quartz with spring and i want to inject/use another class in the job class and i don't know how to do it correctly

xml:

<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

   <!-- Scheduler task -->
   <bean name="schedulerTask" class="com.mkyong.quartz.SchedulerTask" />

   <!-- Scheduler job -->
   <bean name="schedulerJob"
       class="org.springframework.scheduling.quartz.JobDetailBean">

     <property name="jobClass" value="com.mkyong.quartz.SchedulerJob" />

     <property name="jobDataAsMap">
        <map>
          <entry key="schedulerTask" value-ref="schedulerTask" />
         </map>
      </property>
   </bean>

   <!-- Cron Trigger -->
   <bean id="cronTrigger"
    class="org.springframework.scheduling.quartz.CronTriggerBean">

    <property name="jobDetail" ref="schedulerJob" />
    <property name="cronExpression" value="0/10 * * * * ?" />

   </bean>

   <!-- Scheduler -->
   <bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
    <property name="jobDetails">
       <list>
          <ref bean="schedulerJob" />
       </list>
    </property>

    <property name="triggers">
        <list>
        <ref bean="cronTrigger" />
        </list>
    </property>
   </bean>

</beans>

石英作业:

package com.mkyong.quartz;

import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.springframework.scheduling.quartz.QuartzJobBean;

public class SchedulerJob extends QuartzJobBean
{
    private SchedulerTask schedulerTask;

    public void setSchedulerTask(SchedulerTask schedulerTask) {
        this.schedulerTask = schedulerTask;
    }

    protected void executeInternal(JobExecutionContext context)
    throws JobExecutionException {

        schedulerTask.printSchedulerMessage();

    }
}

要执行的任务:

package com.mkyong.quartz;

public class SchedulerTask {

   public void printSchedulerMessage() {

       System.out.println("Struts 2 + Spring + Quartz ......");

   }
}

我想在任务类中注入另一个处理数据库的DTO类 在任务中做一些数据库工作，该怎么做?

i want to inject another DTO class that deals with Database in the task class to do some database work in the task, how to do that ?

推荐答案

不确定这是否是您想要的，但是您可以将一些配置值传递给Quartz作业.我相信在您的情况下，您可以利用已经设置的jobDataAsMap属性，例如:

Not sure if this is what you want, but you can pass some configuration values to the Quartz job. I believe in your case you could take advantage of the jobDataAsMap property you already set up, e.g.:

 <property name="jobDataAsMap">
    <map>
      <entry key="schedulerTask" value-ref="schedulerTask" />
      <entry key="param1" value="com.custom.package.ClassName"/>
     </map>
  </property>

然后，您应该可以通过实际的Java代码以手动方式访问它:

Then you should be able to access it in your actual Java code in manual way:

protected void executeInternal(JobExecutionContext context) throws JobExecutionException {
    schedulerTask.printSchedulerMessage();
    System.out.println(context.getJobDetail().getJobDataMap().getString("param1"));
}

或者使用神奇的Spring方法-用getter/setter定义param1属性.您可以尝试使用java.lang.Class类型定义它，然后自动完成(Spring会为您完成):

Or using the magic Spring approach - have the param1 property defined with getter/setter. You could try defining it with java.lang.Class type then and have the done automatically (Spring would do it for you):

 private Class<?> param1;

 // getter & setter

 protected void executeInternal(JobExecutionContext context) throws JobExecutionException {
    schedulerTask.printSchedulerMessage();
    System.out.println("Class injected" + getParam1().getName());
 }     

我还没测试过.

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