Spring scheduling beyond scheduled (#984)

spring-all/src/main/java/org/baeldung/taskscheduler/ThreadPoolTaskSchedulerConfig.java

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+package org.baeldung.taskscheduler;
+
+import java.util.concurrent.TimeUnit;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
+import org.springframework.scheduling.support.CronTrigger;
+import org.springframework.scheduling.support.PeriodicTrigger;
+
+@Configuration
+@ComponentScan(basePackages = "org.baeldung.taskscheduler", basePackageClasses = { ThreadPoolTaskSchedulerExamples.class })
+public class ThreadPoolTaskSchedulerConfig {
+
+    @Bean
+    public ThreadPoolTaskScheduler threadPoolTaskScheduler() {
+        ThreadPoolTaskScheduler threadPoolTaskScheduler = new ThreadPoolTaskScheduler();
+        threadPoolTaskScheduler.setPoolSize(5);
+        threadPoolTaskScheduler.setThreadNamePrefix("ThreadPoolTaskScheduler");
+        return threadPoolTaskScheduler;
+    }
+
+    @Bean
+    public CronTrigger cronTrigger() {
+        return new CronTrigger("10 * * * * ?");
+    }
+
+    @Bean
+    public PeriodicTrigger periodicTrigger() {
+        return new PeriodicTrigger(2000, TimeUnit.MICROSECONDS);
+    }
+
+    @Bean
+    public PeriodicTrigger periodicFixedDelayTrigger() {
+        PeriodicTrigger periodicTrigger = new PeriodicTrigger(2000, TimeUnit.MICROSECONDS);
+        periodicTrigger.setFixedRate(true);
+        periodicTrigger.setInitialDelay(1000);
+        return periodicTrigger;
+    }
+}

spring-all/src/main/java/org/baeldung/taskscheduler/ThreadPoolTaskSchedulerExamples.java

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+package org.baeldung.taskscheduler;
+
+import java.util.Date;
+
+import javax.annotation.PostConstruct;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
+import org.springframework.scheduling.support.CronTrigger;
+import org.springframework.scheduling.support.PeriodicTrigger;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ThreadPoolTaskSchedulerExamples {
+    @Autowired
+    private ThreadPoolTaskScheduler taskScheduler;
+    
+    @Autowired
+    private CronTrigger cronTrigger;
+    
+    @Autowired
+    private PeriodicTrigger periodicTrigger;
+    
+    @PostConstruct
+    public void scheduleRunnableWithCronTrigger(){
+        taskScheduler.schedule(new RunnableTask("Current Date"), new Date());
+        taskScheduler.scheduleWithFixedDelay(new RunnableTask("Fixed 1 second Delay"), 1000);
+        taskScheduler.scheduleWithFixedDelay(new RunnableTask("Current Date Fixed 1 second Delay"),new Date() , 1000);
+        taskScheduler.scheduleAtFixedRate(new RunnableTask("Fixed Rate of 2 seconds"),new Date(), 2000);
+        taskScheduler.scheduleAtFixedRate(new RunnableTask("Fixed Rate of 2 seconds"), 2000);
+        taskScheduler.schedule(new RunnableTask("Cron Trigger"), cronTrigger);
+        taskScheduler.schedule(new RunnableTask("Periodic Trigger"), periodicTrigger);
+    }
+    
+    class RunnableTask implements Runnable{
+
+        private String message;
+        
+        public RunnableTask(String message){
+            this.message = message;
+        }
+        @Override
+        public void run() {
+            System.out.println("Runnable Task with "+message+" on thread "+Thread.currentThread().getName());
+        }
+    }
+}

spring-all/src/test/java/org/baeldung/taskscheduler/ThreadPoolTaskSchedulerTest.java

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+package org.baeldung.taskscheduler;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.support.AnnotationConfigContextLoader;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = { ThreadPoolTaskSchedulerConfig.class }, loader = AnnotationConfigContextLoader.class)
+public class ThreadPoolTaskSchedulerTest {
+    @Test
+    public void testThreadPoolTaskSchedulerAnnotation() throws InterruptedException {
+        Thread.sleep(2550);
+    }
+}