spring-retry组件的使用教程

       <dependency>
            <groupId>org.springframework.retry</groupId>
            <artifactId>spring-retry</artifactId>
            <version>2.0.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>5.2.8.RELEASE</version>
        </dependency>

public interface RetryService {
    @RequestMapping(value = "/retry", method = RequestMethod.GET)
    String retryRequest(@RequestParam(value = "id", defaultValue = "1") Long id);
}

@Service
public class RetryServiceImpl implements RetryService {
    private final Logger logger = LoggerFactory.getLogger(getClass());
    @Autowired
    private RequestMappingHandlerMapping requestMappingHandlerMapping;
    @Override
    @Transactional
    @Retryable(value = Exception.class, maxAttempts = 3, backoff = @Backoff(delay = 2000, multiplier = 1.5))
    public String retryRequest(Long id) {
        ***("Request retrying for id: " + id);
        // 模拟一些延迟，以便我们可以观察到重试的情况
        try {
            Thread.sleep(3000);
        } catch (InterruptedException e) {
            logger.error("Interrupted while waiting for retry timeout", e);
        }
        return requestMappingHandlerMapping.getHandler().handle(requestMappingHandlerMapping.getHandlerChain(), id);
    }
}

@SpringBootApplication
@EnableRetry
public class RetryExampleApplication {
    public static void main(String[] args) {
        SpringApplication.run(RetryExampleApplication.class, args);
    }
}