Spring整合Quartz实现动态定时器的示例代码

一、版本说明

spring3.1以下的版本必须使用quartz1.x系列，3.1以上的版本才支持quartz 2.x，不然会出错。

原因：spring对于quartz的支持实现，org.springframework.scheduling.quartz.crontriggerbean继承了org.quartz.crontrigger，在quartz1.x系列中org.quartz.crontrigger是个类，而在quartz2.x系列中org.quartz.crontrigger变成了接口，从而造成无法用spring的方式配置quartz的触发器（trigger）

此示例所选版本：spring版本号3.0.7.release，quartz版本1.8.6

二、添加jar包

我的是maven工程，pom.xml相关配置如下：

 <properties>
    <project.build.sourceencoding>utf-8</project.build.sourceencoding>
    <spring.version>3.0.7.release</spring.version>
    <quartz.version>1.8.6</quartz.version>
  </properties>

 　　　　<dependency>
      <groupid>org.springframework</groupid>
      <artifactid>spring-context</artifactid>
      <version>${spring.version}</version>
      <exclusions>
        <!-- exclude commons logging in favor of slf4j -->
        <exclusion>
          <groupid>commons-logging</groupid>
          <artifactid>commons-logging</artifactid>
        </exclusion>
      </exclusions>
    </dependency>

    <dependency><!--3.0.7没这个包 -->
      <groupid>org.springframework</groupid>
      <artifactid>spring-context-support</artifactid>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupid>org.springframework</groupid>
      <artifactid>spring-webmvc</artifactid>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupid>org.springframework</groupid>
      <artifactid>spring-orm</artifactid>
      <version>${spring.version}</version>
      <type>jar</type>
      <scope>compile</scope>
    </dependency>

    <dependency>
      <groupid>org.springframework</groupid>
      <artifactid>spring-test</artifactid>
      <version>${spring.version}</version>
      <type>jar</type>
      <scope>test</scope>
    </dependency>

 <dependency>
      <groupid>org.quartz-scheduler</groupid>
      <artifactid>quartz</artifactid>
      <version>${quartz.version}</version>
    </dependency>

三、整合实现

1、spring配置

spring只需要添加quartz调度工厂bean就可以了

<bean id="schedulerfactorybean" class="org.springframework.scheduling.quartz.schedulerfactorybean" />

 2、定时器工作类实现

定义定时器作业类，该类继承自job类

package com.ld.nhmz.quartz;

import java.text.simpledateformat;
import java.util.date;

import org.quartz.job;
import org.quartz.jobexecutioncontext;
import org.quartz.jobexecutionexception;

/**
 * quartz示例定时器类
 * 
 * @author administrator
 * 
 */
public class quartzjobexample implements job {
  @override
  public void execute(jobexecutioncontext arg0) throws jobexecutionexception {
    system.out.println(new simpledateformat("yyyy-mm-dd hh:mm:ss").format(new date()) + "★★★★★★★★★★★");
  }
}

定义定时器管理类

package com.ld.nhmz.quartz;

import org.quartz.crontrigger;
import org.quartz.jobdetail;
import org.quartz.scheduler;

/**
 * quartz调度管理器
 * 
 * @author administrator
 * 
 */
public class quartzmanager {
  private static string job_group_name = "extjweb_jobgroup_name";
  private static string trigger_group_name = "extjweb_triggergroup_name";

  /**
   * @description: 添加一个定时任务，使用默认的任务组名，触发器名，触发器组名
   * 
   * @param sched
   *      调度器
   * 
   * @param jobname
   *      任务名
   * @param cls
   *      任务
   * @param time
   *      时间设置，参考quartz说明文档
   * 
   * @title: quartzmanager.java
   */
  public static void addjob(scheduler sched, string jobname, @suppresswarnings("rawtypes") class cls, string time) {
    try {
      jobdetail jobdetail = new jobdetail(jobname, job_group_name, cls);// 任务名，任务组，任务执行类
      // 触发器
      crontrigger trigger = new crontrigger(jobname, trigger_group_name);// 触发器名,触发器组
      trigger.setcronexpression(time);// 触发器时间设定
      sched.schedulejob(jobdetail, trigger);
      // 启动
      if (!sched.isshutdown()) {
        sched.start();
      }
    } catch (exception e) {
      throw new runtimeexception(e);
    }
  }

  /**
   * @description: 添加一个定时任务
   * 
   * @param sched
   *      调度器
   * 
   * @param jobname
   *      任务名
   * @param jobgroupname
   *      任务组名
   * @param triggername
   *      触发器名
   * @param triggergroupname
   *      触发器组名
   * @param jobclass
   *      任务
   * @param time
   *      时间设置，参考quartz说明文档
   * 
   * @title: quartzmanager.java
   */
  public static void addjob(scheduler sched, string jobname, string jobgroupname, string triggername, string triggergroupname, @suppresswarnings("rawtypes") class jobclass, string time) {
    try {
      jobdetail jobdetail = new jobdetail(jobname, jobgroupname, jobclass);// 任务名，任务组，任务执行类
      // 触发器
      crontrigger trigger = new crontrigger(triggername, triggergroupname);// 触发器名,触发器组
      trigger.setcronexpression(time);// 触发器时间设定
      sched.schedulejob(jobdetail, trigger);
    } catch (exception e) {
      throw new runtimeexception(e);
    }
  }

  /**
   * @description: 修改一个任务的触发时间(使用默认的任务组名，触发器名，触发器组名)
   * 
   * @param sched
   *      调度器
   * @param jobname
   * @param time
   * 
   * @title: quartzmanager.java
   */
  @suppresswarnings("rawtypes")
  public static void modifyjobtime(scheduler sched, string jobname, string time) {
    try {
      crontrigger trigger = (crontrigger) sched.gettrigger(jobname, trigger_group_name);
      if (trigger == null) {
        return;
      }
      string oldtime = trigger.getcronexpression();
      if (!oldtime.equalsignorecase(time)) {
        jobdetail jobdetail = sched.getjobdetail(jobname, job_group_name);
        class objjobclass = jobdetail.getjobclass();
        removejob(sched, jobname);
        addjob(sched, jobname, objjobclass, time);
      }
    } catch (exception e) {
      throw new runtimeexception(e);
    }
  }

  /**
   * @description: 修改一个任务的触发时间
   * 
   * @param sched
   *      调度器 *
   * @param sched
   *      调度器
   * @param triggername
   * @param triggergroupname
   * @param time
   * 
   * @title: quartzmanager.java
   */
  public static void modifyjobtime(scheduler sched, string triggername, string triggergroupname, string time) {
    try {
      crontrigger trigger = (crontrigger) sched.gettrigger(triggername, triggergroupname);
      if (trigger == null) {
        return;
      }
      string oldtime = trigger.getcronexpression();
      if (!oldtime.equalsignorecase(time)) {
        crontrigger ct = (crontrigger) trigger;
        // 修改时间
        ct.setcronexpression(time);
        // 重启触发器
        sched.resumetrigger(triggername, triggergroupname);
      }
    } catch (exception e) {
      throw new runtimeexception(e);
    }
  }

  /**
   * @description: 移除一个任务(使用默认的任务组名，触发器名，触发器组名)
   * 
   * @param sched
   *      调度器
   * @param jobname
   * 
   * @title: quartzmanager.java
   */
  public static void removejob(scheduler sched, string jobname) {
    try {
      sched.pausetrigger(jobname, trigger_group_name);// 停止触发器
      sched.unschedulejob(jobname, trigger_group_name);// 移除触发器
      sched.deletejob(jobname, job_group_name);// 删除任务
    } catch (exception e) {
      throw new runtimeexception(e);
    }
  }

  /**
   * @description: 移除一个任务
   * 
   * @param sched
   *      调度器
   * @param jobname
   * @param jobgroupname
   * @param triggername
   * @param triggergroupname
   * 
   * @title: quartzmanager.java
   */
  public static void removejob(scheduler sched, string jobname, string jobgroupname, string triggername, string triggergroupname) {
    try {
      sched.pausetrigger(triggername, triggergroupname);// 停止触发器
      sched.unschedulejob(triggername, triggergroupname);// 移除触发器
      sched.deletejob(jobname, jobgroupname);// 删除任务
    } catch (exception e) {
      throw new runtimeexception(e);
    }
  }

  /**
   * @description:启动所有定时任务
   * 
   * @param sched
   *      调度器
   * 
   * @title: quartzmanager.java
   */
  public static void startjobs(scheduler sched) {
    try {
      sched.start();
    } catch (exception e) {
      throw new runtimeexception(e);
    }
  }

  /**
   * @description:关闭所有定时任务
   * 
   * 
   * @param sched
   *      调度器
   * 
   * 
   * @title: quartzmanager.java
   */
  public static void shutdownjobs(scheduler sched) {
    try {
      if (!sched.isshutdown()) {
        sched.shutdown();
      }
    } catch (exception e) {
      throw new runtimeexception(e);
    }
  }
}

 测试代码，这里schedulerfactory没有使用spring中配置的bean，而是new出来的，做测试用

package com.ld.nhmz.quartz.test;

import org.junit.test;
import org.quartz.scheduler;
import org.quartz.schedulerfactory;
import org.quartz.impl.stdschedulerfactory;

import com.ld.nhmz.quartz.quartzjobexample;
import com.ld.nhmz.quartz.quartzmanager;

/**
 * @description: 测试类
 * 
 * @classname: quartztest.java
 */
public class quartztest {
  @test
  public void quartz() {
    try {
      schedulerfactory gschedulerfactory = new stdschedulerfactory();
      scheduler sche = gschedulerfactory.getscheduler();
      string job_name = "动态任务调度";
      system.out.println("【系统启动】开始(每1秒输出一次)...");
      quartzmanager.addjob(sche, job_name, quartzjobexample.class, "0/1 * * * * ?");

      thread.sleep(3000);
      system.out.println("【修改时间】开始(每2秒输出一次)...");
      quartzmanager.modifyjobtime(sche, job_name, "10/2 * * * * ?");
      thread.sleep(4000);
      system.out.println("【移除定时】开始...");
      quartzmanager.removejob(sche, job_name);
      system.out.println("【移除定时】成功");

      system.out.println("【再次添加定时任务】开始(每10秒输出一次)...");
      quartzmanager.addjob(sche, job_name, quartzjobexample.class, "*/10 * * * * ?");
      thread.sleep(30000);
      system.out.println("【移除定时】开始...");
      quartzmanager.removejob(sche, job_name);
      system.out.println("【移除定时】成功");
    } catch (exception e) {
      e.printstacktrace();
    }
  }
}

显示结果：

 

spring control层代码中实现定时器管理

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