spring集成quartz

短命女 2022-07-13 14:40 132阅读 0赞

Spring本身提供了与Quartz集成的功能，需要引入Spring上下文支持模块，即spring-context-support，还需引入事务支持模块，即spring-tx，还有Quartz的包，即quartz和quartz-jobs。如下：

<dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
        </dependency>
    
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
        </dependency>
    
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.23</version>
        </dependency>
    
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz</artifactId>
            <version>2.2.1</version>
        </dependency>
    
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz-jobs</artifactId>
            <version>2.2.1</version>
        </dependency>

之后需要在Spring上下文中引入要管理的Quartz Bean,如例：  
QuartzScheduler.xml文件中

<?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:task="http://www.springframework.org/schema/task" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task.xsd">
    
        
        <bean name="exampleJob" class="org.springframework.scheduling.quartz.JobDetailFactoryBean">
            <property name="jobClass" value="com.rock.mySpring.quartz.ExampleJob" />
            <property name="jobDataAsMap">
                <map>
                    <entry key="timeout" value="5" />
                </map>
            </property>
        </bean>
    
        <bean id="exampleBusinessObject" class="com.rock.mySpring.quartz.ExampleBusinessObject" />
    
        
        <bean id="jobDetail" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
            <property name="targetObject" ref="exampleBusinessObject" />
            <property name="targetMethod" value="doIt" />
            
            
        </bean>
    
        
        <bean id="simpleTrigger" class="org.springframework.scheduling.quartz.SimpleTriggerFactoryBean">
            
            <property name="jobDetail" ref="jobDetail" />
            
            <property name="startDelay" value="5000" />
            
            <property name="repeatInterval" value="5000" />
        </bean>
    
        
        <bean id="cronTrigger" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
            <property name="jobDetail" ref="exampleJob" />
            
            <property name="cronExpression" value="5/1 * * * * ? " />
        </bean>
    
        
        <bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
            <property name="triggers">
                <list>
                    <ref bean="cronTrigger" />
                    <ref bean="simpleTrigger" />
                </list>
            </property>
        </bean>
    
    </beans>

相关的类:  
ExampleJob.java

package com.rock.mySpring.quartz;
    
    import org.quartz.JobExecutionContext;
    import org.quartz.JobExecutionException;
    import org.springframework.scheduling.quartz.QuartzJobBean;
    
    public class ExampleJob extends QuartzJobBean { 
        private int timeout;
    
        /** * Setter called after the ExampleJob is instantiated * with the value from the JobDetailFactoryBean (5) */
        public void setTimeout(int timeout) {
            this.timeout = timeout;
        }
    
        @Override
        protected void executeInternal(JobExecutionContext context) throws JobExecutionException {
            System.out.println("timeout = " + timeout);
        }
    
    }

ExampleBusinessObject.java

package com.rock.mySpring.quartz;
    
    public class ExampleBusinessObject {
        // properties and collaborators
    
        public void doIt() {
            // do the actual work
            System.out.println("ExampleBusinessObject.doIt");
        }
    
    
    }

之后，如果是spring应用，就直接加载Spring上下文配置文件，此时定时器Quartz任务就会自动触发；如果是整合Spring的web应用，则将QuartzScheduler.xml文件引入到Spring应用上下文中，即contextConfigLocation参数中(非单个Servlet的参数)，则Web应用启动后就会触发定时器Quartz任务。