
本文详细介绍了如何在spring boot应用中配置并管理多个quartz定时任务。通过创建独立的job类、jobdetailfactorybean和simpletriggerfactorybean,并利用spring的依赖注入机制将这些任务和触发器集合注入到schedulerfactorybean中,实现灵活、可扩展的多任务调度,同时提供了完整的配置示例和注意事项。
在深入多任务配置之前,我们先简要回顾Quartz的几个核心概念:
在Spring Boot中,我们通常通过SchedulerFactoryBean来集成和配置Quartz调度器,并使用JobDetailFactoryBean和SimpleTriggerFactoryBean(或CronTriggerFactoryBean)来定义具体的任务和触发器。
在Spring Boot中配置单个Quartz任务通常涉及以下步骤:
以下是一个典型的单任务配置示例:
@Configuration
public class SchedulerConfig {
    private ApplicationContext applicationContext;
    @Autowired
    public SchedulerConfig(ApplicationContext applicationContext) {
        this.applicationContext = applicationContext;
    }
    // 自定义JobFactory,使Quartz Job能够自动注入Spring Bean
    @Bean
    public JobFactory jobFactory() {
        AutowiringSpringBeanJobFactory jobFactory = new AutowiringSpringBeanJobFactory();
        jobFactory.setApplicationContext(applicationContext);
        return jobFactory;
    }
    // 配置SchedulerFactoryBean,只设置一个触发器
    @Bean
    public SchedulerFactoryBean schedulerFactoryBean(Trigger simpleJobTrigger) throws IOException {
        SchedulerFactoryBean schedulerFactory = new SchedulerFactoryBean();
        schedulerFactory.setQuartzProperties(quartzProperties());
        schedulerFactory.setWaitForJobsToCompleteOnShutdown(true);
        schedulerFactory.setAutoStartup(true);
        schedulerFactory.setTriggers(simpleJobTrigger); // 仅接受一个Trigger
        schedulerFactory.setJobFactory(jobFactory());
        return schedulerFactory;
    }
    // 定义单个JobDetail
    @Bean
    public JobDetailFactoryBean keywordPostJobDetail() {
        JobDetailFactoryBean factoryBean = new JobDetailFactoryBean();
        factoryBean.setJobClass(DomainOrgCheckJob.class); // 示例Job类
        factoryBean.setDurability(true); // 任务持久化
        return factoryBean;
    }
    // 定义单个SimpleTrigger,关联到keywordPostJobDetail
    @Bean
    public SimpleTriggerFactoryBean simpleJobTrigger(@Qualifier("keywordPostJobDetail") JobDetail jobDetail,
                                                     @Value("${simplejob.frequency}") long frequency) {
        SimpleTriggerFactoryBean factoryBean = new SimpleTriggerFactoryBean();
        factoryBean.setJobDetail(jobDetail);
        factoryBean.setStartDelay(0L);
        factoryBean.setRepeatInterval(frequency);
        factoryBean.setRepeatCount(SimpleTrigger.REPEAT_INDEFINITELY);
        return factoryBean;
    }
    // 加载Quartz配置属性
    public Properties quartzProperties() throws IOException {
        PropertiesFactoryBean propertiesFactoryBean = new PropertiesFactoryBean();
        propertiesFactoryBean.setLocation(new ClassPathResource("/quartz.properties"));
        propertiesFactoryBean.afterPropertiesSet();
        return propertiesFactoryBean.getObject();
    }
}在上述配置中,SchedulerFactoryBean的setTriggers方法只接受一个Trigger数组,这意味着如果直接传入一个Trigger对象,它只能调度一个任务。为了调度多个任务,我们需要对SchedulerFactoryBean的配置进行调整。
要配置多个Quartz任务,核心思想是为每个任务创建独立的JobDetail和Trigger,然后将所有这些JobDetail和Trigger作为一个集合传递给SchedulerFactoryBean。Spring的依赖注入机制能够自动收集所有类型为JobDetail和Trigger的Bean,并将它们作为列表注入到SchedulerFactoryBean中。
具体步骤如下:
下面是包含两个独立Quartz任务的完整配置示例:
import org.quartz.JobDetail;
import org.quartz.SimpleTrigger;
import org.quartz.Trigger;
import org.quartz.spi.JobFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.beans.factory.config.PropertiesFactoryBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.scheduling.quartz.JobDetailFactoryBean;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import org.springframework.scheduling.quartz.SimpleTriggerFactoryBean;
import org.springframework.scheduling.quartz.SpringBeanJobFactory;
import java.io.IOException;
import java.util.List;
import java.util.Properties;
// 假设存在以下两个Job类
// class FirstDomainOrgCheckJob implements org.quartz.Job { ... }
// class SecondDomainOrgCheckJob implements org.quartz.Job { ... }
@Configuration
public class MultipleJobSchedulerConfig {
    private static final Logger LOG = LoggerFactory.getLogger(MultipleJobSchedulerConfig.class);
    private ApplicationContext applicationContext;
    @Autowired
    public MultipleJobSchedulerConfig(ApplicationContext applicationContext) {
        this.applicationContext = applicationContext;
    }
    // 自定义JobFactory,使Quartz Job能够自动注入Spring Bean
    @Bean
    public JobFactory jobFactory() {
        AutowiringSpringBeanJobFactory jobFactory = new AutowiringSpringBeanJobFactory();
        jobFactory.setApplicationContext(applicationContext);
        return jobFactory;
    }
    // 核心修改:SchedulerFactoryBean现在接受JobDetail和Trigger的列表
    @Bean
    public SchedulerFactoryBean schedulerFactoryBean(List<JobDetail> jobDetails,
                                                     List<Trigger> triggers) throws IOException {
        SchedulerFactoryBean schedulerFactory = new SchedulerFactoryBean();
        schedulerFactory.setQuartzProperties(quartzProperties()); // 加载Quartz配置
        schedulerFactory.setJobFactory(jobFactory());
        schedulerFactory.setWaitForJobsToCompleteOnShutdown(true);
        schedulerFactory.setAutoStartup(true);
        // 将所有JobDetail和Trigger列表转换为数组并设置给SchedulerFactoryBean
        schedulerFactory.setJobDetails(jobDetails.toArray(new JobDetail[0]));
        schedulerFactory.setTriggers(triggers.toArray(new Trigger[0]));
        LOG.debug("SchedulerFactoryBean configured with {} jobs and {} triggers.", jobDetails.size(), triggers.size());
        return schedulerFactory;
    }
    // 第一个任务的JobDetail定义
    @Bean(name = "firstJobDetail") // 指定Bean名称
    public JobDetailFactoryBean firstJobDetail() {
        JobDetailFactoryBean jobDetailFactory = new JobDetailFactoryBean();
        jobDetailFactory.setJobClass(FirstDomainOrgCheckJob.class); // 绑定第一个Job类
        jobDetailFactory.setDurability(true);
        return jobDetailFactory;
    }
    // 第一个任务的Trigger定义,通过@Qualifier引用firstJobDetail
    @Bean
    public SimpleTriggerFactoryBean firstJobTrigger(@Qualifier("firstJobDetail") JobDetail job,
                                                    @Value("${first.job.frequency}") long frequency) {
        LOG.info("Configuring First Job Trigger");
        SimpleTriggerFactoryBean factoryBean = new SimpleTriggerFactoryBean();
        factoryBean.setJobDetail(job);
        factoryBean.setStartDelay(0L);
        factoryBean.setRepeatInterval(frequency);
        factoryBean.setRepeatCount(SimpleTrigger.REPEAT_INDEFINITELY);
        return factoryBean;
    }
    // 第二个任务的JobDetail定义
    @Bean(name = "secondJobDetail") // 指定Bean名称
    public JobDetailFactoryBean secondJobDetail() {
        JobDetailFactoryBean jobDetailFactory = new JobDetailFactoryBean();
        jobDetailFactory.setJobClass(SecondDomainOrgCheckJob.class); // 绑定第二个Job类
        jobDetailFactory.setDurability(true);
        return jobDetailFactory;
    }
    // 第二个任务的Trigger定义,通过@Qualifier引用secondJobDetail
    @Bean
    public SimpleTriggerFactoryBean secondJobTrigger(@Qualifier("secondJobDetail") JobDetail job,
                                                     @Value("${second.job.frequency}") long frequency) {
        LOG.info("Configuring Second Job Trigger");
        SimpleTriggerFactoryBean factoryBean = new SimpleTriggerFactoryBean();
        factoryBean.setJobDetail(job);
        factoryBean.setStartDelay(0L);
        factoryBean.setRepeatInterval(frequency);
        factoryBean.setRepeatCount(SimpleTrigger.REPEAT_INDEFINITELY);
        return factoryBean;
    }
    // 加载Quartz配置属性
    public Properties quartzProperties() throws IOException {
        PropertiesFactoryBean propertiesFactoryBean = new PropertiesFactoryBean();
        propertiesFactoryBean.setLocation(new ClassPathResource("/quartz.properties"));
        propertiesFactoryBean.afterPropertiesSet();
        return propertiesFactoryBean.getObject();
    }
}为了让Quartz的Job类能够自动注入Spring管理的Bean,我们需要一个自定义的JobFactory。
import org.quartz.spi.TriggerFiredBundle;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.scheduling.quartz.SpringBeanJobFactory;
public class AutowiringSpringBeanJobFactory extends SpringBeanJobFactory implements ApplicationContextAware {
    private transient AutowireCapableBeanFactory beanFactory;
    @Override
    public void setApplicationContext(final ApplicationContext context) {
        beanFactory = context.getAutowireCapableBeanFactory();
    }
    @Override
    protected Object createJobInstance(final TriggerFiredBundle bundle) throws Exception {
        final Object job = super.createJobInstance(bundle);
        beanFactory.autowireBean(job); // 自动注入Job实例中的依赖
        return job;
    }
}为了支持外部化配置,例如任务频率,可以在src/main/resources/quartz.properties中定义:
org.quartz.scheduler.instanceName=MyScheduler org.quartz.threadPool.threadCount=10 org.quartz.jobStore.class=org.quartz.simpl.RAMJobStore # 任务频率配置 first.job.frequency=5000 # 第一个任务每5秒执行一次 second.job.frequency=10000 # 第二个任务每10秒执行一次
通过上述方法,我们可以在Spring Boot应用中优雅地配置和管理多个Quartz定时任务。关键在于利用Spring的依赖注入能力,将所有独立的JobDetail和Trigger作为Bean集合注入到SchedulerFactoryBean中。这种模式不仅使得配置清晰,也为未来任务的扩展提供了良好的基础。遵循最佳实践,可以构建出健壮、可维护的定时任务调度系统。
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