SpringBoot2.0整合Quartz定时任务(持久化到数据库,更为简单的方式)
2024-10-19 06:10:26
1. pom文件添加依赖
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-quartz</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<!--<!– druid数据库连接池 –>-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.10</version>
</dependency>
</dependencies>
2. yml配置
spring:
datasource:
url: jdbc:mysql://localhost:3306/aipyun?serverTimezone=GMT&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true
username: root
password: root123
driver-class-name: com.mysql.jdbc.Driver
type: com.alibaba.druid.pool.DruidDataSource
druid:
initialSize: 2
minIdle: 2
maxActive: 30
#StatViewServlet:
#loginUsername: admin
#loginPassword: admin
quartz:
#相关属性配置
properties:
org:
quartz:
scheduler:
instanceName: DefaultQuartzScheduler
instanceId: AUTO
jobStore:
class: org.quartz.impl.jdbcjobstore.JobStoreTX
driverDelegateClass: org.quartz.impl.jdbcjobstore.StdJDBCDelegate
tablePrefix: QRTZ_
isClustered: false
clusterCheckinInterval: 10000
useProperties: true
threadPool:
class: org.quartz.simpl.SimpleThreadPool
threadCount: 10
threadPriority: 5
threadsInheritContextClassLoaderOfInitializingThread: true
dataSource:
default:
URL: jdbc:mysql://localhost:3306/aipyun?characterEncoding=utf-8
user: root
password: root123
driver: com.mysql.jdbc.Driver #数据库方式
job-store-type: jdbc
#初始化表结构
#jdbc:
#initialize-schema: never
我们可以对比下这个配置文件和之前的quartz.properties的区别,基本一模一样,只不过写的格式不一样而已。
3. 业务逻辑代码
/**
* 删除job
*
* @param triggerName 触发器名称
* @param triggerGroup 触发器分组
* @param jobName 任务名称
* @param jobGroup 任务分组
* @throws SchedulerException
*/
public void deleteJob(String triggerName, String triggerGroup, String jobName, String jobGroup) throws SchedulerException {
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroup);
scheduler.pauseTrigger(triggerKey);
scheduler.unscheduleJob(triggerKey);
JobKey jobKey = JobKey.jobKey(jobName, jobGroup);
scheduler.deleteJob(jobKey);
} /**
* 修改定时任务
*
* @param oldTriggerKey 需要修改的TriggerKey 也就是唯一标识
* @param cron 新的cron表达式
*/
public void updateJob(TriggerKey oldTriggerKey, String cron) {
CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(cron);
CronTrigger cronTrigger = TriggerBuilder.newTrigger()
.withIdentity(oldTriggerKey).withSchedule(scheduleBuilder).build();
try {
scheduler.rescheduleJob(oldTriggerKey, cronTrigger);
} catch (SchedulerException e) {
e.printStackTrace();
}
} /**
* 新增job任务
*
* @param jobName job名称
* @param jobGroupName job分组名称
* @param triggerName 触发器名称
* @param triggerGroupName 触发器分组名称
* @param jobClass 需要执行的job.class
* @param cron cron 表达式
* @throws SchedulerException
*/
public void addJob(String jobName, String jobGroupName,
String triggerName, String triggerGroupName, Class jobClass, String cron) throws SchedulerException {
CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule(cron);
JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(jobName, jobGroupName).build();
Trigger trigger = TriggerBuilder.newTrigger().withIdentity(triggerName, triggerGroupName)
.withSchedule(cronScheduleBuilder).build();
scheduler.scheduleJob(jobDetail, trigger);
}
关于spring-boot-starter-quartz
鄙人用的开发工具是idea,可以直接查看源码,至于用eclispe的怎么查看源码我就不知道了。
我们找到Idea的External Libraries并且展开spring-boot-autoconfigure-2.0.0.RELEASE.jar,找到org.springframework.boot.autoconfigure.quartz,该目录就是SpringBoot为我们提供的Quartz自动化配置源码实现,在该目录下有如下所示几个类:
QuartzAutoConfiguration该类是自动配置的主类,内部配置了SchedulerFactoryBean,相当于我们之前自己配的SchedulerFactoryBean类。
JobStoreType是一个枚举:表示quartz的存储方式:RAM 或者JDBC。
QuartzProperties配置类:从yml或者properties中读取配置信息。
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