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 java.util.Collections;
  
  import com.alibaba.cloud.circuitbreaker.sentinel.SentinelCircuitBreakerFactory;
  import com.alibaba.cloud.circuitbreaker.sentinel.SentinelConfigBuilder;
  import com.alibaba.cloud.sentinel.annotation.SentinelRestTemplate;
  import com.alibaba.csp.sentinel.datasource.Converter;
  import com.alibaba.csp.sentinel.slots.block.RuleConstant;
  import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
  
  import org.springframework.boot.SpringApplication;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.cloud.client.circuitbreaker.Customizer;
  import org.springframework.context.annotation.Bean;
  import org.springframework.web.client.RestTemplate;
  
  /**
   * @author xiaojing
   */
  @SpringBootApplication
  public class SentinelCoreApplication {
  
  	@Bean
  	@SentinelRestTemplate(blockHandler = "handleException",
  			blockHandlerClass = ExceptionUtil.class)
  	public RestTemplate restTemplate() {
  		return new RestTemplate();
  	}
  
  	@Bean
  	public RestTemplate restTemplate2() {
  		return new RestTemplate();
  	}
  
  	@Bean
  	public Converter myConverter() {
  		return new JsonFlowRuleListConverter();
  	}
  
  	@Bean
  	public Customizer<SentinelCircuitBreakerFactory> defaultConfig() {
  		return factory -> {
  			factory.configureDefault(
  					id -> new SentinelConfigBuilder().resourceName(id)
  							.rules(Collections.singletonList(new DegradeRule(id)
  									.setGrade(RuleConstant.DEGRADE_GRADE_RT).setCount(100)
  									.setTimeWindow(10)))
  							.build());
  		};
  	}
  
  	public static void main(String[] args) {
  		SpringApplication.run(SentinelCoreApplication.class, args);
  	}
  
  }
  