Spring3.0与Quartz的整合实现定时任务调度
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quartz-1.8.5.jar
commons-logging.jar
spring-core-3.0.5.RELEASE.jar
spring-beans-3.0.5.RELEASE.jar
spring-context-3.0.5.RELEASE.jar
spring-context-support-3.0.5.RELEASE.jar
spring-asm-3.0.5.RELEASE.jar
spring-expression-3.0.5.RELEASE.jar
spring.transaction-3.0.5.RELEASE.jar
spring-web-3.0.5.RELEASE.jar
Maven的pom.xml的配置:
特别注意一点,与Spring整合必须使用Quartz1.8.x及以下版本,最初我拿2.1.3的,怎么搞都报错:
Caused by: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [org.springframework.scheduling.quartz.CronTriggerBean] for bean with name 'mytrigger' defined in class path resource [applicationContext.xml]: problem with class file or dependent class; nested exception is java.lang.IncompatibleClassChangeError: class org.springframework.scheduling.quartz.CronTriggerBean has interface org.quartz.CronTrigger as super class
查看发现spring3.0.5中org.springframework.scheduling.quartz.CronTriggerBean继承了org.quartz.CronTrigger(public class CronTriggerBeanextends CronTrigger),而在quartz2.1.3中org.quartz.CronTrigger是个接口(publicabstract interface CronTrigger extends Trigger),而在quartz1.8.5及1.8.4中org.quartz.CronTrigger是个类(publicclass CronTrigger extends Trigger),从而造成无法在applicationContext中配置触发器。这是spring3和quartz2版本不兼容的一个bug。
在Spring中使用Quartz有两种方式实现:第一种是任务类继承QuartzJobBean,第二种则是在配置文件里定义任务类和要执行的方法,类和方法仍然是普通类。很显然,第二种方式远比第一种方式来的灵活。
第一种方式的JAVA代码:
第二种方式的JAVA代码:
Spring的配置文件:转自: http://kevin19900306.iteye.com/blog/1397744
commons-logging.jar
spring-core-3.0.5.RELEASE.jar
spring-beans-3.0.5.RELEASE.jar
spring-context-3.0.5.RELEASE.jar
spring-context-support-3.0.5.RELEASE.jar
spring-asm-3.0.5.RELEASE.jar
spring-expression-3.0.5.RELEASE.jar
spring.transaction-3.0.5.RELEASE.jar
spring-web-3.0.5.RELEASE.jar
Maven的pom.xml的配置:
- <?xml version="1.0" encoding="UTF-8"?>
- <project xmlns="http://maven.apache.org/POM/4.0.0"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
- <modelVersion>4.0.0</modelVersion>
- <groupId>QtzTest</groupId>
- <artifactId>QtzTest</artifactId>
- <version>1.0</version>
- <properties>
- <springframework.version>3.0.5.RELEASE</springframework.version>
- </properties>
- <dependencies>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-context</artifactId>
- <version>${springframework.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-context-support</artifactId>
- <version>${springframework.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-tx</artifactId>
- <version>${springframework.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-web</artifactId>
- <version>${springframework.version}</version>
- </dependency>
- <dependency>
- <groupId>org.quartz-scheduler</groupId>
- <artifactId>quartz</artifactId>
- <version>1.8.5</version>
- </dependency>
- </dependencies>
- <build>
- <finalName>${project.artifactId}</finalName>
- <plugins>
- <plugin>
- <groupId>org.mortbay.jetty</groupId>
- <artifactId>jetty-maven-plugin</artifactId>
- <version>7.5.4.v20111024</version>
- <configuration>
- <scanIntervalSeconds>10</scanIntervalSeconds>
- <webApp>
- <contextPath>/${project.artifactId}</contextPath>
- </webApp>
- </configuration>
- </plugin>
- </plugins>
- </build>
- </project>
特别注意一点,与Spring整合必须使用Quartz1.8.x及以下版本,最初我拿2.1.3的,怎么搞都报错:
Caused by: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [org.springframework.scheduling.quartz.CronTriggerBean] for bean with name 'mytrigger' defined in class path resource [applicationContext.xml]: problem with class file or dependent class; nested exception is java.lang.IncompatibleClassChangeError: class org.springframework.scheduling.quartz.CronTriggerBean has interface org.quartz.CronTrigger as super class
查看发现spring3.0.5中org.springframework.scheduling.quartz.CronTriggerBean继承了org.quartz.CronTrigger(public class CronTriggerBeanextends CronTrigger),而在quartz2.1.3中org.quartz.CronTrigger是个接口(publicabstract interface CronTrigger extends Trigger),而在quartz1.8.5及1.8.4中org.quartz.CronTrigger是个类(publicclass CronTrigger extends Trigger),从而造成无法在applicationContext中配置触发器。这是spring3和quartz2版本不兼容的一个bug。
在Spring中使用Quartz有两种方式实现:第一种是任务类继承QuartzJobBean,第二种则是在配置文件里定义任务类和要执行的方法,类和方法仍然是普通类。很显然,第二种方式远比第一种方式来的灵活。
第一种方式的JAVA代码:
- package com.ncs.hj;
- import org.quartz.JobExecutionContext;
- import org.quartz.JobExecutionException;
- import org.springframework.scheduling.quartz.QuartzJobBean;
- public class SpringQtz extends QuartzJobBean{
- private static int counter = 0;
- protected void executeInternal(JobExecutionContext context) throws JobExecutionException {
- System.out.println();
- long ms = System.currentTimeMillis();
- System.out.println("\t\t" + new Date(ms));
- System.out.println(ms);
- System.out.println("(" + counter++ + ")");
- String s = (String) context.getMergedJobDataMap().get("service");
- System.out.println(s);
- System.out.println();
- }
- }
第二种方式的JAVA代码:
- package com.ncs.hj;
- import org.quartz.JobExecutionContext;
- import org.quartz.JobExecutionException;
- import org.springframework.scheduling.quartz.QuartzJobBean;
- import java.util.Date;
- public class SpringQtz {
- private static int counter = 0;
- protected void execute() {
- long ms = System.currentTimeMillis();
- System.out.println("\t\t" + new Date(ms));
- System.out.println("(" + counter++ + ")");
- }
- }
Spring的配置文件:
- <!------------ 配置调度程序quartz ,其中配置JobDetail有两种方式-------------->
- <!--方式一:使用JobDetailBean,任务类必须实现Job接口 -->
- <bean id="myjob" class="org.springframework.scheduling.quartz.JobDetailBean">
- <property name="name" value="exampleJob"></property>
- <property name="jobClass" value="com.ncs.hj.SpringQtz"></property>
- <property name="jobDataAsMap">
- <map>
- <entry key="service"><value>simple is the beat</value></entry>
- </map>
- ;/property>
- </bean>
- <!--运行时请将方式一注释掉! -->
- <!-- 方式二:使用MethodInvokingJobDetailFactoryBean,任务类可以不实现Job接口,通过targetMethod指定调用方法-->
- <!-- 定义目标bean和bean中的方法 -->
- <bean id="SpringQtzJob" class="com.ncs.hj.SpringQtz"/>
- <bean id="SpringQtzJobMethod" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
- <property name="targetObject">
- <ref bean="SpringQtzJob"/>
- </property>
- <property name="targetMethod"> <!-- 要执行的方法名称 -->
- <value>execute</value>
- </property>
- </bean>
- <!-- ======================== 调度触发器 ======================== -->
- <bean id="CronTriggerBean" class="org.springframework.scheduling.quartz.CronTriggerBean">
- <property name="jobDetail" ref="SpringQtzJobMethod"></property>
- <property name="cronExpression" value="0/5 * * * * ?"></property>
- </bean>
- <!-- ======================== 调度工厂 ======================== -->
- <bean id="SpringJobSchedulerFactoryBean" class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
- <property name="triggers">
- <list>
- <ref bean="CronTriggerBean"/>
- </list>
- </property>
- </bean>
- Spring3.0与Quartz的整合实现定时任务调度
- Spring3.0与Quartz的整合实现定时任务调度
- Spring3.0与Quartz的整合实现定时任务调度
- Spring3.0与Quartz的整合实现定时任务调度
- Spring3.0与Quartz的整合实现定时任务调度
- Spring3.0与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
- Spring与Quartz的整合实现定时任务调度
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