스레드 풀을 사용하여 Java 7에서 작업 재시도 및 롤백 전략을 구현하는 방법

ExecutorService executor = Executors.newFixedThreadPool(5);

class MyTask implements Runnable {
    private int maxRetries;

    public MyTask(int maxRetries) {
        this.maxRetries = maxRetries;
    }

    @Override
    public void run() {
        int retries = 0;
        while (retries <= maxRetries) {
            try {
                // 执行任务的逻辑
                // 如果任务执行成功，则直接返回
                // 如果任务执行失败，则抛出异常
                // 在异常处理中进行重试
                // 如果达到最大重试次数仍然失败，则抛出异常
                break;
            } catch (Exception e) {
                retries++;
                if (retries > maxRetries) {
                    throw new RuntimeException("任务执行失败");
                }
                // 根据实际情况进行回退策略，例如线程休眠一段时间
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e1) {
                    e1.printStackTrace();
                }
            }
        }
    }
}

public class Main {
    public static void main(String[] args) {
        ExecutorService executor = Executors.newFixedThreadPool(5);
        int maxRetries = 3;
        MyTask task = new MyTask(maxRetries);
        executor.execute(task);
        executor.shutdown();
    }
}