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.tests.sentinel.degrade;
  
  import java.util.Arrays;
  
  import com.alibaba.csp.sentinel.annotation.SentinelResource;
  import com.alibaba.csp.sentinel.slots.block.RuleConstant;
  import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
  import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
  
  import org.springframework.boot.SpringApplication;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.boot.context.event.ApplicationReadyEvent;
  import org.springframework.context.event.EventListener;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;
  
  /**
   * @author Freeman
   */
  @SpringBootApplication
  @RestController
  public class SentinelDegradeTestApp {
  
  	public static void main(String[] args) {
  		SpringApplication.run(SentinelDegradeTestApp.class, args);
  	}
  
  	@RequestMapping("/degrade")
  	@SentinelResource(value = "/degrade", fallback = "fallback")
  	public String degrade() {
  		throw new RuntimeException("Ops, something wrong!");
  	}
  
  	public static String fallback() {
  		return "fallback";
  	}
  
  	@EventListener(ApplicationReadyEvent.class)
  	public void onApplicationReady() {
  		DegradeRule degradeRule = new DegradeRule();
  		degradeRule.setResource("/degrade");
  		degradeRule.setGrade(RuleConstant.DEGRADE_GRADE_EXCEPTION_COUNT);
  		degradeRule.setMinRequestAmount(1);
  		degradeRule.setStatIntervalMs(2);
  		degradeRule.setTimeWindow(1);
  		degradeRule.setCount(1);
  		DegradeRuleManager.loadRules(Arrays.asList(degradeRule));
  	}
  
  }
  