5 配置文件

上述没有用到任何的配置文件。Quartz支持配置文件，它的好处是比编写代码简单，且修改后不需要重新编译源码。

配置quartz.properties特性文件

quartz.properties文件定义了Quartz应用运行时行为，还包含了许多能控制Quartz运转的属性。它应放在工程的classpath中。

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代码清单5：quartz.properties
#============================================================================  
# Configure Main Scheduler Properties  
#============================================================================

# 实例名
org.quartz.scheduler.instanceName = QuartzScheduler 
# 实例ID
org.quartz.scheduler.instanceId = AUTO

#============================================================================
# Configure ThreadPool  
#============================================================================
org.quartz.threadPool.class = org.quartz.simpl.SimpleThreadPool
# 线程个数
org.quartz.threadPool.threadCount = 3
org.quartz.threadPool.threadPriority = 5

#============================================================================
# Configure JobStore  
#============================================================================
org.quartz.jobStore.misfireThreshold = 60000
org.quartz.jobStore.class = org.quartz.simpl.RAMJobStore

#============================================================================
# Configure Plugins 
#============================================================================
org.quartz.plugin.triggHistory.class = org.quartz.plugins.history.LoggingJobHistoryPlugin
# org.quartz.plugins.xml.JobInitializationPlugin是Quartz自带的插件，
# 默认时，这个插件会在 classpath 中搜索名为 quartz_jobs.xml 
# 的文件并从中加载 Job 和 Trigger 信息
# v1.8之前用JobInitializationPlugin
#org.quartz.plugin.jobInitializer.class = org.quartz.plugins.xml.JobInitializationPlugin
org.quartz.plugin.jobInitializer.class = org.quartz.plugins.xml.XMLSchedulingDataProcessorPlugin
org.quartz.plugin.jobInitializer.fileNames = quartz_jobs.xml
org.quartz.plugin.jobInitializer.failOnFileNotFound = true
org.quartz.plugin.jobInitializer.scanInterval = 10
org.quartz.plugin.jobInitializer.wrapInUserTransaction = false

# 关闭quartz新版本检测功能
org.quartz.scheduler.skipUpdateCheck = true

配置quartz_jobs.xml文件

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代码清单6：quartz_jobs.xml格式  
<?xmlversion="1.0"encoding="UTF-8"?> 

<job-scheduling-dataxmlns="http://www.quartz-scheduler.org/xml/JobSchedulingData" 

   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 

   xsi:schemaLocation="http://www.quartz-scheduler.org/xml/JobSchedulingData http://www.quartz-scheduler.ogr/xml/job_scheduling_data_1_8.xsd" 

   version="1.8"> 

   <pre-processing-commands> 

       <!--在执行作业和触犯器之前执行的命令--> 

       <delete-jobs-in-group>*</delete-jobs-in-group> 

       <!--删除标示组中的所有作业，如果是“*”,则删除所有组中的作业，同时也会删除与作业有关的触犯器 --> 

       <delete-triggers-in-group>*</delete-triggers-in-group> 

       <!--删除标示组中的所有触犯器，如果是“*”,则删除所有组中的触发器 --> 

       <delete-job> 

           <!--删除指定的作业，同时也会删除与它关联的触犯器 --> 

           <name></name> 

           <group></group> 

       </delete-job> 

       <delete-trigger> 

           <!--删除指定的触犯器 --> 

           <name></name> 

           <group></group> 

       </delete-trigger> 

   </pre-processing-commands> 

 

   <processing-directives> 

       <!--在计划作业和触发器是应遵循的命令和原则 --> 

       <overwrite-existing-data>true or false</overwrite-existing-data> 

       <!--是否复写已经存在的任务计划数据，如果为false并且ingore-duplicates非false，那么文件中同名的触发器或作业将会继续存在，则会产生错误--> 

       <ignore-duplicates>true or false</ignore-duplicates> 

       <!--如果为true，计划中的任何同名的作业/触发器将会被忽略，不会产生错误--> 

   </processing-directives> 

 

   <schedule> 

       <job> 

           <name>JobName</name> 

           <group>JobGroup</group> 

           <description></description> 

           <job-class></job-class> 

           <job-listener-ref></job-listener-ref> 

           <!-- volatility,durability,recover必须按顺序设定 --> 

           <volatility></volatility> 

           <durability></durability> 

           <recover></recover> 

           <job-data-map> 

               <!-- entry可以设定多个--> 

               <entry> 

                   <key></key> 

                   <value></value> 

               </entry> 

           </job-data-map> 

       </job> 

       <trigger> 

           <!-- Trigger分为simple，cron，date-interval三种类型，一个trigger中只能指定一种类型--> 

           <simple> 

               <name></name> 

               <group></group> 

               <description></description> 

               <job-name></job-name> 

               <job-group></job-group> 

               <calendar-name></calendar-name> 

               <volatility></volatility> 

               <job-data-map> 

                   <entry> 

                       <key></key> 

                       <value></value> 

                   </entry> 

               </job-data-map> 

               <start-time></start-time> 

               <end-time></end-time> 

               <misfire-instruction></misfire-instruction> 

               <repeat-count></repeat-count> 

               <repeat-interval></repeat-interval> 

           </simple> 

           <cron> 

               <name></name> 

               <group></group> 

               <description></description> 

               <job-name></job-name> 

               <job-group></job-group> 

               <calendar-name></calendar-name> 

               <volatility></volatility> 

               <job-data-map> 

                   <entry> 

                       <key></key> 

                       <value></value> 

                   </entry> 

               </job-data-map> 

               <start-time></start-time> 

               <end-time></end-time> 

               <misfire-instruction></misfire-instruction> 

               <cron-expression></cron-expression> 

               <time-zone></time-zone> 

           </cron> 

           <date-interval> 

               <name></name> 

               <group></group> 

               <description></description> 

               <job-name></job-name> 

               <job-group></job-group> 

               <calendar-name></calendar-name> 

               <volatility></volatility> 

               <job-data-map> 

                   <entry> 

                       <key></key> 

                       <value></value> 

                   </entry> 

               </job-data-map> 

               <start-time></start-time> 

               <end-time></end-time> 

               <misfire-instruction></misfire-instruction> 

               <repeat-interval></repeat-interval> 

               <repeat-interval-unit></repeat-interval-unit> 

           </date-interval> 

       </trigger> 

   </schedule> 

</job-scheduling-data>

 

 
代码清单7：quartz_jobs.xml示例

<?xmlversion="1.0"encoding="UTF-8"?>  

<job-scheduling-dataxmlns="http://www.quartz-scheduler.org/xml/JobSchedulingData" 

   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 

   xsi:schemaLocation="http://www.quartz-scheduler.org/xml/JobSchedulingData http://www.quartz-scheduler.org/xml/job_scheduling_data_1_8.xsd" 

   version="1.8">  

      

   <pre-processing-commands>  

       <delete-jobs-in-group>*</delete-jobs-in-group> <!-- clear all jobs in scheduler -->  

       <delete-triggers-in-group>*</delete-triggers-in-group><!-- clear all triggers in scheduler -->  

   </pre-processing-commands>  

      

   <processing-directives>  

       <overwrite-existing-data>true</overwrite-existing-data>  

       <ignore-duplicates>false</ignore-duplicates>   

   </processing-directives>  

      

   <schedule>  

       <job>  

           <name>helloQuartzJob</name>  

           <group>DEFAULT</group>  

           <description>简单的quartz使用</description>  

           <job-class>HelloQuartzJob</job-class>  

           <volatility>false</volatility>  

           <durability>true</durability>  

           <recover>false</recover>  

       </job>  

       <trigger>  

       <cron>

                <name>trigger</name>     

              <group>DEFAULT</group>     

              <job-name>helloQuartzJob</job-name>     

              <job-group>DEFAULT</job-group> 

             <cron-expression>30/5 * * * * ?</cron-expression>

       </cron>   

       </trigger>

   </schedule>      

</job-scheduling-data>

 
代码清单8：Quartz任务调度
public class HelloQuartzScheduling {
    
     public static void main(String[] args) 
        throws SchedulerException, ParseException {
       
       SchedulerFactory schedulerFactory = new StdSchedulerFactory();
       Scheduler scheduler = schedulerFactory.getScheduler();
       
       scheduler.start();              
    }   
}