Quartzで複数のジョブを実行する例
この例では、Quartz API、Quartz XML、Springを介して複数のQuartzジョブを宣言する方法を示します。 Quartzスケジューラフレームワークでは、各ジョブは一意のトリガーに接続され、スケジューラーによって実行されます。
P.S In Quartz, one trigger for multiple jobs is not possible. (これが間違っている場合は修正してください。)
1. Quartz API
Quartzの3つのジョブ、JobA、Job、およびJobSを作成します。
package com.example.quartz; import org.quartz.Job; import org.quartz.JobExecutionContext; import org.quartz.JobExecutionException; public class JobA implements Job { @Override public void execute(JobExecutionContext context) throws JobExecutionException { System.out.println("Job A is runing"); } }
package com.example.quartz; import org.quartz.Job; import org.quartz.JobExecutionContext; import org.quartz.JobExecutionException; public class JobB implements Job { @Override public void execute(JobExecutionContext context) throws JobExecutionException { System.out.println("Job B is runing"); } }
package com.example.quartz; import org.quartz.Job; import org.quartz.JobExecutionContext; import org.quartz.JobExecutionException; public class JobC implements Job { @Override public void execute(JobExecutionContext context) throws JobExecutionException { System.out.println("Job C is runing"); } }
Quartz APIを使用して、3つの特定のトリガーに割り当てられた3つ以上のジョブを宣言し、スケジュールします。
package com.example.quartz; import org.quartz.CronScheduleBuilder; import org.quartz.JobBuilder; import org.quartz.JobDetail; import org.quartz.JobKey; import org.quartz.Scheduler; import org.quartz.Trigger; import org.quartz.TriggerBuilder; import org.quartz.impl.StdSchedulerFactory; public class CronTriggerExample { public static void main( String[] args ) throws Exception { JobKey jobKeyA = new JobKey("jobA", "group1"); JobDetail jobA = JobBuilder.newJob(JobA.class) .withIdentity(jobKeyA).build(); JobKey jobKeyB = new JobKey("jobB", "group1"); JobDetail jobB = JobBuilder.newJob(JobB.class) .withIdentity(jobKeyB).build(); JobKey jobKeyC = new JobKey("jobC", "group1"); JobDetail jobC = JobBuilder.newJob(JobC.class) .withIdentity(jobKeyC).build(); Trigger trigger1 = TriggerBuilder .newTrigger() .withIdentity("dummyTriggerName1", "group1") .withSchedule( CronScheduleBuilder.cronSchedule("0/5 * * * * ?")) .build(); Trigger trigger2 = TriggerBuilder .newTrigger() .withIdentity("dummyTriggerName2", "group1") .withSchedule( CronScheduleBuilder.cronSchedule("0/5 * * * * ?")) .build(); Trigger trigger3 = TriggerBuilder .newTrigger() .withIdentity("dummyTriggerName3", "group1") .withSchedule( CronScheduleBuilder.cronSchedule("0/5 * * * * ?")) .build(); Scheduler scheduler = new StdSchedulerFactory().getScheduler(); scheduler.start(); scheduler.scheduleJob(jobA, trigger1); scheduler.scheduleJob(jobB, trigger2); scheduler.scheduleJob(jobC, trigger3); } }
出力
Job A is runing //every 5 seconds Job B is runing Job C is runing Job A is runing //every 5 seconds Job B is runing Job C is runing
2. Quartz XMLの例
XMLファイルの同等のバージョン。 「quartz.properties」と「quartz-config.xml」がプロジェクトのクラスパスにあることを確認してください。
ファイル–quartz.properties
org.quartz.scheduler.instanceName = MyScheduler org.quartz.threadPool.threadCount = 3 org.quartz.jobStore.class = org.quartz.simpl.RAMJobStore org.quartz.plugin.jobInitializer.class =org.quartz.plugins.xml.XMLSchedulingDataProcessorPlugin org.quartz.plugin.jobInitializer.fileNames = quartz-config.xml org.quartz.plugin.jobInitializer.failOnFileNotFound = true
ファイル–quartz-config.xml
JobA GroupDummy This is Job A com.example.quartz.JobA dummyTriggerNameA JobA GroupDummy 0/5 * * * * ? JobB GroupDummy This is Job B com.example.quartz.JobB dummyTriggerNameB JobB GroupDummy 0/5 * * * * ?
ファイル:web.xml
org.quartz.ee.servlet.QuartzInitializerListener
3. 春の例
Springの同等バージョン。
package com.example.job; import org.quartz.JobExecutionContext; import org.quartz.JobExecutionException; import org.springframework.scheduling.quartz.QuartzJobBean; public class JobA extends QuartzJobBean { @Override protected void executeInternal(JobExecutionContext arg0) throws JobExecutionException { System.out.println("Job A is runing"); } }
package com.example.job; import org.quartz.JobExecutionContext; import org.quartz.JobExecutionException; import org.springframework.scheduling.quartz.QuartzJobBean; public class JobB extends QuartzJobBean { @Override protected void executeInternal(JobExecutionContext arg0) throws JobExecutionException { System.out.println("Job B is runing"); } }
package com.example.job; import org.quartz.JobExecutionContext; import org.quartz.JobExecutionException; import org.springframework.scheduling.quartz.QuartzJobBean; public class JobC extends QuartzJobBean { @Override protected void executeInternal(JobExecutionContext arg0) throws JobExecutionException { System.out.println("Job C is runing"); } }
File : Spring-Quartz.xml – Spring XMLBean構成ファイルでジョブとトリガーを宣言します。
それを実行します
package com.example.common; import org.springframework.context.support.ClassPathXmlApplicationContext; public class App { public static void main(String[] args) throws Exception { new ClassPathXmlApplicationContext("Spring-Quartz.xml"); } }
出力。
INFO: Starting beans in phase 2147483647 Jul 30, 2012 10:38:13 PM org.springframework.scheduling.quartz.SchedulerFactoryBean startScheduler INFO: Starting Quartz Scheduler now Job A is runing Job B is runing Job C is runing Job A is runing Job B is runing Job C is runing
ソースコードをダウンロード
ダウンロード–Multiple-Jobs-in-Quartz-Spring-Example.zip(25kb)