spring cloud HystrixCollapser

@Service
public class CollService {

	@HystrixCollapser(batchMethod = "getMembers", collapserProperties = {
			//收集1秒内的请求
			@HystrixProperty(name = "timerDelayInMilliseconds", value = "1000")
	})
	public Future<Member> getMember(Integer id) {
		System.out.println("执行单个查询的方法");
		return null;
	}
	
	@HystrixCommand
	public List<Member> getMembers(List<Integer> ids) {
		List<Member> mems = new ArrayList<Member>();
		for(Integer id : ids) {
			System.out.println(id);
			Member m = new Member();
			m.setId(id);
			m.setName("angus");
			mems.add(m);
		}
		return mems;
	}
}

　　

@RestController
public class CollController {
	
	@Autowired
	private CollService collService;

	@RequestMapping(value = "/coll", method = RequestMethod.GET, 
			produces = MediaType.APPLICATION_JSON_VALUE)
	public String testCollapse() throws Exception {
		// 连续执行3次请求
		Future<Member> f1 = collService.getMember(1);
		Future<Member> f2 = collService.getMember(2);
		Future<Member> f3 = collService.getMember(3);
		Member p1 = f1.get();
		Member p2 = f2.get();
		Member p3 = f3.get();
		return "";
	}
}