spring cloud spring-hystrix 缓存

Posted 2020-10-27 zfzf1

@Service
public class CacheService {

	@Autowired
	private RestTemplate restTpl;
	
	@CacheResult
	@HystrixCommand
	public Member cacheMember(Integer id) {
		System.out.println("调用 cacheMember 方法");
//		Member member = restTpl.getForObject(
//				"http://spring-hy-member/member/{id}", Member.class, id);
		return null;
	}
	
	@CacheResult
	@HystrixCommand(commandKey = "cacheKey")
	public String getCache(Integer id) {
		System.out.println("执行查询方法");
		return null;
	}
	
	@CacheRemove(commandKey = "cacheKey")
	@HystrixCommand
	public void removeCache(Integer id) {
		System.out.println("删除缓存方法");
	}
}

　　

@RestController
public class CacheController {
	
	@Autowired
	private CacheService cacheService;

	@RequestMapping(value = "/cache", method = RequestMethod.GET, 
			produces = MediaType.APPLICATION_JSON_VALUE)
	public String cache() {
		for(int i = 0; i < 3; i++) {
			cacheService.cacheMember(1);
		}
		return "";
	}
	
	@RequestMapping(value = "/rc", method = RequestMethod.GET, 
			produces = MediaType.APPLICATION_JSON_VALUE)
	public String testRemoveCache() {
		cacheService.getCache(1);
		cacheService.getCache(1);
		
		cacheService.removeCache(1);
		System.out.println("#########  分隔线   ###########");
		cacheService.getCache(1);
		return "";
	}
}