ThreadPoolTaskScheduler

Example

package com.logicbig.example;

import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;

import java.time.LocalTime;

public class ThreadPoolTaskSchedulerExample {
  public static void main(String[] args) throws InterruptedException {
      ThreadPoolTaskScheduler s = new ThreadPoolTaskScheduler();
      s.setPoolSize(5);
      s.initialize();
      for (int i = 0; i < 2; i++) {
          int finalI = i;
          s.scheduleAtFixedRate(
                  () -> System.out.printf("Task: %s, Thread: %s, Time: %s%n",
                          finalI,
                          Thread.currentThread().getName(),
                          LocalTime.now()), 1000);
      }
      Thread.sleep(10000);
      //shutting down after 10 sec
      s.getScheduledThreadPoolExecutor().shutdownNow();
  }
}

Output

Task: 0, Thread: ThreadPoolTaskScheduler-2, Time: 16:06:59.036757200
Task: 1, Thread: ThreadPoolTaskScheduler-1, Time: 16:06:59.036757200
Task: 0, Thread: ThreadPoolTaskScheduler-2, Time: 16:07:00.038610
Task: 1, Thread: ThreadPoolTaskScheduler-3, Time: 16:07:00.038610
Task: 0, Thread: ThreadPoolTaskScheduler-1, Time: 16:07:01.034358700
Task: 1, Thread: ThreadPoolTaskScheduler-4, Time: 16:07:01.050179300
Task: 0, Thread: ThreadPoolTaskScheduler-2, Time: 16:07:02.043377800
Task: 1, Thread: ThreadPoolTaskScheduler-3, Time: 16:07:02.043377800
Task: 0, Thread: ThreadPoolTaskScheduler-2, Time: 16:07:03.035622200
Task: 1, Thread: ThreadPoolTaskScheduler-1, Time: 16:07:03.051666600
Task: 0, Thread: ThreadPoolTaskScheduler-4, Time: 16:07:04.048542900
Task: 1, Thread: ThreadPoolTaskScheduler-5, Time: 16:07:04.048542900
Task: 0, Thread: ThreadPoolTaskScheduler-4, Time: 16:07:05.035118300
Task: 1, Thread: ThreadPoolTaskScheduler-2, Time: 16:07:05.050567100
Task: 0, Thread: ThreadPoolTaskScheduler-1, Time: 16:07:06.044956900
Task: 1, Thread: ThreadPoolTaskScheduler-3, Time: 16:07:06.044956900
Task: 1, Thread: ThreadPoolTaskScheduler-4, Time: 16:07:07.039266500
Task: 0, Thread: ThreadPoolTaskScheduler-1, Time: 16:07:07.039266500
Task: 0, Thread: ThreadPoolTaskScheduler-1, Time: 16:07:08.034811600
Task: 1, Thread: ThreadPoolTaskScheduler-3, Time: 16:07:08.050267
Task: 0, Thread: ThreadPoolTaskScheduler-4, Time: 16:07:09.048286800

Example Project

Dependencies and Technologies Used:

• spring-context 6.2.12 (Spring Context)
   Version Compatibility: 4.0.0.RELEASE - 6.2.12Version List
  ×

  Version compatibilities of spring-context with this example:

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• JDK 25
• Maven 3.9.11