Spring Boot 配置和使用多线程池的实现

@Configuration

public class TaskExecutePool {

 @Bean(name ="threadPoolA")

public ThreadPoolTaskExecutormyTaskAsyncPool() {

ThreadPoolTaskExecutor executor =new ThreadPoolTaskExecutor();
  executor.setCorePoolSize(4);

  executor.setMaxPoolSize(8);

  executor.setQueueCapacity(100);

  executor.setKeepAliveSeconds(60);

  executor.setThreadNamePrefix("Pool-A");

  executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());

  executor.initialize();

  return executor;

 }

@Bean(name ="ThreadPoolB")

public ThreadPoolTaskExecutorAsyncPoolB() {

ThreadPoolTaskExecutor executor =new ThreadPoolTaskExecutor();

  executor.setCorePoolSize(2);

  executor.setMaxPoolSize(4);

  executor.setQueueCapacity(8);

  executor.setKeepAliveSeconds(60);

  executor.setThreadNamePrefix("Pool-B");
  //当任务数量超过MaxPoolSize和QueueCapacity时使用的策略，该策略是又调用任务的线程执行
  executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());

  executor.initialize();

  return executor;

 }

}

@Async(value="ThreadPoolA")
public void taskA(){
 ...
}

@Autowired
 private ThreadPoolTaskExecutor threadPoolA;//变量名称为定义的线程池bean定义的name属性名。

public void checkAvtiveThreadNum() {
  int num = threadPoolA.getActiveCount();
}