content: /*
   * Copyright 2013-2023 the original author or authors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      https://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.cloud.examples;
  
  import com.alibaba.csp.sentinel.annotation.SentinelResource;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.cloud.client.circuitbreaker.CircuitBreakerFactory;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.RestController;
  import org.springframework.web.client.RestTemplate;
  
  /**
   * @author xiaojing
   */
  @RestController
  public class TestController {
  
  	@Autowired
  	private RestTemplate restTemplate;
  
  	@Autowired
  	private CircuitBreakerFactory circuitBreakerFactory;
  
  	@GetMapping("/hello")
  	@SentinelResource("resource")
  	public String hello() {
  		return "Hello";
  	}
  
  	@GetMapping("/aa")
  	@SentinelResource("aa")
  	public String aa(int b, int a) {
  		return "Hello test";
  	}
  
  	@GetMapping("/test")
  	public String test1() {
  		return "Hello test";
  	}
  
  	@GetMapping("/template")
  	public String client() {
  		return restTemplate.getForObject("http://www.taobao.com/test", String.class);
  	}
  
  	@GetMapping("/slow")
  	public String slow() {
  		return circuitBreakerFactory.create("slow").run(() -> {
  			try {
  				Thread.sleep(500L);
  			}
  			catch (InterruptedException e) {
  				e.printStackTrace();
  			}
  			return "slow";
  		}, throwable -> "fallback");
  	}
  
  }
  