The open-source Quartz framework dynamically adds, modifies, and deletes scheduled tasks (2). the quartz framework

The open-source Quartz framework dynamically adds, modifies, and deletes scheduled tasks (2). the quartz framework

It seems that every time I look back at some of the previously written items, I don't always feel perfect ~~ Although you are not a perfect person, you have to do the perfect thing! This time, we mainly focused on the Dynamic Maintenance of Quartz and Spring integration. It was a little simple and crude. We went straight to the Code and asked me if I knew anything about it.

Prepare a scheduled task

Package com. hupu. timertask;/*** job scheduling class * @ author Joyce. luo * @ date 03:32:04 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */public class QuartzJob {/*** task ID */private Integer jobId;/*** task name */private String jobName; /*** Task Group */private String jobGroup;/*** task status 0 disabled 1 enable 2 delete */private Integer jobStatus; /*** task running time expression */private String cronExpression;/*** @ return the jobId */public Integer getJobId () {return jobId ;} /*** @ param jobId * the jobId to set */public void setJobId (Integer jobId) {this. jobId = jobId;}/*** @ return the jobName */public String getJobName () {return jobName ;} /*** @ param jobName * the jobName to set */public void setJobName (String jobName) {this. jobName = jobName;}/*** @ return the jobGroup */public String getJobGroup () {return jobGroup ;} /*** @ param jobGroup * the jobGroup to set */public void setJobGroup (String jobGroup) {this. jobGroup = jobGroup;}/*** @ return the jobStatus */public Integer getJobStatus () {return jobStatus ;} /*** @ param jobStatus * the jobStatus to set */public void setJobStatus (Integer jobStatus) {this. jobStatus = jobStatus;}/*** @ return the cronExpression */public String getCronExpression () {return cronExpression ;} /*** @ param cronExpression * the cronExpression to set */public void setCronExpression (String cronExpression) {this. cronExpression = cronExpression ;}}

Scheduled task

Package com. hupu. timertask; import org. apache. logging. log4j. logManager; import org. apache. logging. log4j. logger; import org. quartz. cronScheduleBuilder; import org. quartz. cronTrigger; import org. quartz. jobBuilder; import org. quartz. jobDetail; import org. quartz. jobKey; import org. quartz. triggerBuilder; import org. quartz. triggerKey; import org. quartz. impl. stdScheduler;/*** job scheduling management class * @ author Joyce. luo * @ date 20 15-3-31 03:42:30 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */public class QuartzManager {private static final Logger logger = LogManager. getLogger (QuartzManager. class. getName (); private StdScheduler scheduler;/*** @ param scheduler the schedto to set */public void setScheduler (StdScheduler scheduler) {this. sched = sched;}/*** initialize task scheduling ** @ author Joyce. luo * @ Date 03:48:55 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */@ SuppressWarnings ("unchecked") public void initJob (QuartzJob job, class cls) {logger.info ("initialization task scheduling"); try {TriggerKey triggerKey = TriggerKey. triggerKey (job. getJobName (), job. getJobGroup (); CronTrigger trigger = (CronTrigger) schedgger. getTrigger (triggerKey); if (null = trigger) {addQuartzJob (job, Trigger, cls) ;}} catch (Exception e) {logger. error ("initialization task scheduling Exception! "+ E. getMessage (), e) ;}}/*** add scheduled tasks to task scheduling * @ param job scheduled task information * @ param trigger scheduled scheduling trigger * @ author Joyce. luo * @ date 04:04:58 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */@ SuppressWarnings ("unchecked ") private void addQuartzJob (QuartzJob job, CronTrigger trigger, Class cls) {logger.info ("add scheduled tasks to task scheduling"); try {JobDetail jobDetail = JobBuilder. newJob (cls ). withId Entity (job. getJobName (), job. getJobGroup ()). build (); jobDetail. getJobDataMap (). put (job. getJobName (), job); CronScheduleBuilder scheduleBuilder = CronScheduleBuilder. cronSchedule (job. getCronExpression (); trigger = TriggerBuilder. newTrigger (). withIdentity (job. getJobName (), job. getJobGroup ()). withSchedule (scheduleBuilder ). build (); scheduler. scheduleJob (jobDetail, trigger);} catch (Exception e) {logger. e Rror ("An error occurred while adding a scheduled task to task scheduling! "+ E. getMessage (), e) ;}}/*** run scheduled task now * @ param job scheduled task information * @ author Joyce. luo * @ date 02:08:41 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */void runJob (QuartzJob job) {logger.info ("scheduled tasks in Task Scheduling now"); try {if (null = job) {logger.info ("scheduled task information is empty and cannot be run immediately "); return;} JobKey jobKey = JobKey. jobKey (job. getJobName (), job. getJobGroup (); if (null = jobKey) {logger.info ("[" + Job. getJobName () + "] scheduled task does not exist in task scheduling. Do not run it immediately! "); Return;} scheduler. triggerJob (jobKey);} catch (Exception e) {logger. error (" An error occurred while running the scheduled task immediately! "+ E. getMessage (), e );}} /*** modify the scheduled task in Task Scheduling * @ param job scheduled task information * @ param triggerKey: scheduled scheduling trigger key * @ param trigger: scheduled scheduling trigger * @ author Joyce. luo * @ date 04:16:54 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */void updateQuartzJob (QuartzJob job, TriggerKey triggerKey, CronTrigger trigger) {logger.info ("modifying scheduled tasks in Task Scheduling"); try {if (null = job | null = triggerKey | null = Trigger) {logger.info ("modifying scheduling task parameters is not normal! "); Return;} logger.info (" original task expression: "+ trigger. getCronExpression () + ", current task expression:" + job. getCronExpression (); if (trigger. getCronExpression (). equals (job. getCronExpression () {logger.info ("the task scheduling expression is consistent and will not be modified! "); Return;} logger.info (" Modify because the scheduling expression is inconsistent "); CronScheduleBuilder scheduleBuilder = CronScheduleBuilder. cronSchedule (job. getCronExpression (); trigger = trigger. getTriggerBuilder (). withIdentity (triggerKey ). withSchedule (scheduleBuilder ). build (); scheduler. rescheduleJob (triggerKey, trigger);} catch (Exception e) {logger. error ("An error occurred while modifying scheduled tasks! "+ E. getMessage (), e) ;}}/*** pause scheduled task in Task Scheduling * @ param job scheduled task information * @ author Joyce. luo * @ date 02:22:53 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */void pauseJob (QuartzJob job) {logger.info ("Pause scheduled tasks in Task Scheduling"); try {if (null = job) {logger.info ("the parameters of the paused scheduling task are not normal! "); Return;} JobKey jobKey = JobKey. jobKey (job. getJobName (), job. getJobGroup (); if (null = jobKey) {logger.info ("the task scheduling does not contain [" + job. the getJobName () + "] scheduled task is not paused! "); Return;} scheduler. pauseJob (jobKey);} catch (Exception e) {logger. error (" An error occurred while pausing the scheduled task! "+ E. getMessage (), e) ;}}/*** resume scheduled task * @ param job scheduled task information * @ author Joyce. luo * @ date 02:26:08 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */void resumeJob (QuartzJob job) {logger.info ("restoring scheduled tasks in Task Scheduling"); try {if (null = job) {logger.info ("the parameters of the recovery scheduling task are not normal! "); Return;} JobKey jobKey = JobKey. jobKey (job. getJobName (), job. getJobGroup (); if (null = jobKey) {logger.info ("the task scheduling does not contain [" + job. getJobName () + "] scheduled task, cannot be recovered! "); Return;} scheduler. resumeJob (jobKey);} catch (Exception e) {logger. error (" the scheduled task in task scheduling has an Exception! "+ E. getMessage (), e) ;}}/*** Delete scheduled tasks in Task Scheduling * @ param job scheduled task information * @ author Joyce. luo * @ date 04:30:03 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */void deleteJob (QuartzJob job) {logger.info (""); try {if (null = job) {logger.info ("the parameter for deleting a scheduling task is abnormal! "); Return;} JobKey jobKey = JobKey. jobKey (job. getJobName (), job. getJobGroup (); if (null = jobKey) {logger.info ("the task scheduling does not contain [" + job. getJobName () + "] The scheduled task is not deleted! "); Return;} scheduler. deleteJob (jobKey);} catch (Exception e) {logger. error (" An error occurred while deleting the scheduled task in task scheduling! "+ E. getMessage (), e) ;}}/*** Delete task scheduling timer * @ param triggerKey * @ author Joyce. luo * @ date 04:35:33 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 */void deleteJob (TriggerKey triggerKey) {logger.info ("delete task scheduling timer"); try {if (null = triggerKey) {logger.info ("the stop task timer parameter is abnormal and will not be stopped! "); Return;} logger.info (" Stop task timer "); sched. pauseTrigger (triggerKey); schedgger. unscheduleJob (triggerKey);} catch (Exception e) {logger.info ("An error occurred while deleting the task scheduling timer! "+ E. getMessage (), e );}}}

Task Scheduling Factory

Package com. hupu. timertask; import java. util. date; import org. apache. logging. log4j. logManager; import org. apache. logging. log4j. logger; import org. quartz. job; import org. quartz. jobExecutionContext; import org. quartz. jobExecutionException; import com. hupu. util. formatUtil;/*** Job Scheduling factory class * @ author Joyce. luo * @ date 03:38:35 * @ version V3.0 * @ since Tomcat6.0, Jdk1.6 * @ copyright Copyright (c) 2015 * /Public class QuartzJobFactory implements Job {private static final Logger logger = LogManager. getLogger (QuartzJobFactory. class. getName (); @ Overridepublic void execute (JobExecutionContext context) throws JobExecutionException {QuartzJob scheduleJob = (QuartzJob) context. getMergedJobDataMap (). get ("backup_job"); logger.info ("scheduled task execution started, task name [" + scheduleJob. getJobName () + "]"); Date previusfiretime = con Text. getpreviusfiretime (); if (null! = Previusfiretime) {logger.info ("scheduled task last scheduling time:" + FormatUtil. formatDate (previusfiretime);} logger.info ("scheduled task next scheduling time:" + FormatUtil. formatDate (context. getNextFireTime (); // executes the business logic }}

At this point, the code is basically over. As for Spring configuration, you don't need to talk about it more ~~~

I have to explain it. Let's just talk about it here.

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