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src/com/fh/util/QuartzManager.java 10.8 KB
ad5081d3   孙向锦   初始化项目
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  package com.fh.util;
  
  import java.util.Map;
  
  import org.quartz.CronScheduleBuilder;
  import org.quartz.CronTrigger;
  import org.quartz.Job;
  import org.quartz.JobBuilder;
  import org.quartz.JobDetail;
  import org.quartz.JobKey;
  import org.quartz.Scheduler;  
  import org.quartz.SchedulerFactory;
  import org.quartz.TriggerBuilder;
  import org.quartz.TriggerKey;
  import org.quartz.impl.StdSchedulerFactory;  
    
  /** 定时任务管理类 
   * @author FH 3 13 59679 0 Q
   * @date 2016-4-9
   */
  public class QuartzManager {  
      private static SchedulerFactory gSchedulerFactory = new StdSchedulerFactory();  //创建一个SchedulerFactory工厂实例
      private static String JOB_GROUP_NAME = "FH_JOBGROUP_NAME";  					//任务组
      private static String TRIGGER_GROUP_NAME = "FH_TRIGGERGROUP_NAME";  			//触发器组
    
      /**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 jobName 任务名
       * @param cls 任务
       * @param time 时间设置,参考quartz说明文档
       */
      public static void addJob(String jobName, Class<? extends Job> cls, String time) {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  										//通过SchedulerFactory构建Scheduler对象
              JobDetail jobDetail= JobBuilder.newJob(cls).withIdentity(jobName,JOB_GROUP_NAME).build();	//用于描叙Job实现类及其他的一些静态信息,构建一个作业实例
          	CronTrigger trigger = (CronTrigger) TriggerBuilder
          			.newTrigger()	 																	//创建一个新的TriggerBuilder来规范一个触发器
      				.withIdentity(jobName, TRIGGER_GROUP_NAME)											//给触发器起一个名字和组名
      				.withSchedule(CronScheduleBuilder.cronSchedule(time))
      				.build();
              sched.scheduleJob(jobDetail, trigger);  
              if (!sched.isShutdown()) {  
                  sched.start();  	  // 启动  
              }  
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      }  
      
      /**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  (带参数)
       * @param jobName 任务名
       * @param cls 任务
       * @param time 时间设置,参考quartz说明文档
       */
      public static void addJob(String jobName, Class<? extends Job> cls, String time, Map<String,Object> parameter) {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  										//通过SchedulerFactory构建Scheduler对象
              JobDetail jobDetail= JobBuilder.newJob(cls).withIdentity(jobName,JOB_GROUP_NAME).build();	//用于描叙Job实现类及其他的一些静态信息,构建一个作业实例
              jobDetail.getJobDataMap().put("parameterList", parameter);								//传参数
          	CronTrigger trigger = (CronTrigger) TriggerBuilder
          			.newTrigger()	 																	//创建一个新的TriggerBuilder来规范一个触发器
      				.withIdentity(jobName, TRIGGER_GROUP_NAME)											//给触发器起一个名字和组名
      				.withSchedule(CronScheduleBuilder.cronSchedule(time))
      				.build();
              sched.scheduleJob(jobDetail, trigger);  
              if (!sched.isShutdown()) {  
                  sched.start();  	  // 启动  
              }  
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      }  
    
      /**添加一个定时任务 
       * @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 
       */
      public static void addJob(String jobName, String jobGroupName,  
              String triggerName, String triggerGroupName, Class<? extends Job> jobClass,  
              String time) {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  
              JobDetail jobDetail= JobBuilder.newJob(jobClass).withIdentity(jobName,jobGroupName).build();// 任务名,任务组,任务执行类
              CronTrigger trigger = (CronTrigger) TriggerBuilder	 // 触发器  
      				.newTrigger()
      				.withIdentity(triggerName, triggerGroupName)
      				.withSchedule(CronScheduleBuilder.cronSchedule(time))
      				.build();
              sched.scheduleJob(jobDetail, trigger);
              if (!sched.isShutdown()) {  
                  sched.start();  	  // 启动  
              } 
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      }  
      
      /**添加一个定时任务  (带参数)
       * @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 
       */
      public static void addJob(String jobName, String jobGroupName,  
              String triggerName, String triggerGroupName, Class<? extends Job> jobClass,  
              String time, Map<String,Object> parameter) {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  
              JobDetail jobDetail= JobBuilder.newJob(jobClass).withIdentity(jobName,jobGroupName).build();// 任务名,任务组,任务执行类
              jobDetail.getJobDataMap().put("parameterList", parameter);								//传参数
              CronTrigger trigger = (CronTrigger) TriggerBuilder	 // 触发器  
      				.newTrigger()
      				.withIdentity(triggerName, triggerGroupName)
      				.withSchedule(CronScheduleBuilder.cronSchedule(time))
      				.build();
              sched.scheduleJob(jobDetail, trigger);
              if (!sched.isShutdown()) {  
                  sched.start();  	  // 启动  
              } 
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      } 
    
      /** 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 jobName	任务名 
       * @param time	新的时间设置
       */
      public static void modifyJobTime(String jobName, String time) {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  							//通过SchedulerFactory构建Scheduler对象
              TriggerKey triggerKey = TriggerKey.triggerKey(jobName,TRIGGER_GROUP_NAME); 		//通过触发器名和组名获取TriggerKey
              CronTrigger trigger = (CronTrigger)sched.getTrigger(triggerKey);				//通过TriggerKey获取CronTrigger
              if (trigger == null) {  
                  return;  
              }  
              String oldTime = trigger.getCronExpression();  
              if (!oldTime.equalsIgnoreCase(time)) {  
              	JobKey jobKey = JobKey.jobKey(jobName, JOB_GROUP_NAME);						//通过任务名和组名获取JobKey
              	JobDetail jobDetail = sched.getJobDetail(jobKey); 
                  Class<? extends Job> objJobClass = jobDetail.getJobClass();  
                  removeJob(jobName);  
                  addJob(jobName, objJobClass, time);  
              }  
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      }  
      
      /**修改一个任务的触发时间 
       * @param triggerName	任务名称
       * @param triggerGroupName	传过来的任务名称
       * @param time	更新后的时间规则
       */
      public static void modifyJobTime(String triggerName, String triggerGroupName, String time) {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  							//通过SchedulerFactory构建Scheduler对象
              TriggerKey triggerKey = TriggerKey.triggerKey(triggerName,triggerGroupName); 	//通过触发器名和组名获取TriggerKey
              CronTrigger trigger = (CronTrigger)sched.getTrigger(triggerKey);				//通过TriggerKey获取CronTrigger
              if (trigger == null)  return;  
              CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(trigger.getCronExpression());
              String oldTime = trigger.getCronExpression();  
              if (!oldTime.equalsIgnoreCase(time)) {  
              	trigger = (CronTrigger)trigger.getTriggerBuilder()		//重新构建trigger
              			.withIdentity(triggerKey)
              			.withSchedule(scheduleBuilder)
              			.withSchedule(CronScheduleBuilder.cronSchedule(time))
          				.build();
              	sched.rescheduleJob(triggerKey, trigger);				//按新的trigger重新设置job执行
              }
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      }  
      
      /**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 jobName	任务名称
       */
      public static void removeJob(String jobName) {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  
              TriggerKey triggerKey = TriggerKey.triggerKey(jobName,TRIGGER_GROUP_NAME); 	//通过触发器名和组名获取TriggerKey
              JobKey jobKey = JobKey.jobKey(jobName, JOB_GROUP_NAME);						//通过任务名和组名获取JobKey
              sched.pauseTrigger(triggerKey);	// 停止触发器  
              sched.unscheduleJob(triggerKey);// 移除触发器  
              sched.deleteJob(jobKey);		// 删除任务  
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      }  
      
      /**移除一个任务
       * @param jobName	任务名
       * @param jobGroupName	任务组名
       * @param triggerName	触发器名
       * @param triggerGroupName	触发器组名
       */
      public static void removeJob(String jobName, String jobGroupName,String triggerName, String triggerGroupName) {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  
              TriggerKey triggerKey = TriggerKey.triggerKey(triggerName,triggerGroupName); 	//通过触发器名和组名获取TriggerKey
              JobKey jobKey = JobKey.jobKey(jobName, jobGroupName);							//通过任务名和组名获取JobKey
              sched.pauseTrigger(triggerKey);	// 停止触发器  
              sched.unscheduleJob(triggerKey);// 移除触发器  
              sched.deleteJob(jobKey);		// 删除任务  
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      } 
      
      /**
       * 启动所有定时任务 
       */
      public static void startJobs() {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  
              sched.start();  
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      }  
    
      /**
       * 关闭所有定时任务 
       */
      public static void shutdownJobs() {  
          try {  
              Scheduler sched = gSchedulerFactory.getScheduler();  
              if (!sched.isShutdown()) {  
                  sched.shutdown();  
              }  
          } catch (Exception e) {  
              throw new RuntimeException(e);  
          }  
      }  
  }