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.feign;
  
  
  import org.springframework.cloud.openfeign.FeignClient;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestParam;
  
  /**
   * Provide the external exposure interface of the service calling client.
   *
   * @author fangjian0423, MieAh
   */
  @FeignClient(name = "service-provider", contextId = "service-provider")
  public interface EchoClient {
  
  	/**
  	 * Call the echo method of the remote provider or roll back when the service is blown.
  	 *
  	 * @param str str
  	 * @return {@link String}
  	 */
  	@GetMapping("/echo/{str}")
  	String echo(@PathVariable("str") String str);
  
  	/**
  	 * Call the divide method of the remote provider or roll back when the service is blown.
  	 *
  	 * @param a a
  	 * @param b b
  	 * @return {@link String}
  	 */
  	@GetMapping("/divide")
  	String divide(@RequestParam("a") Integer a, @RequestParam("b") Integer b);
  
  	/**
  	 * Test that the default method calls the remote method is still a remote call.
  	 *
  	 * @param a a
  	 * @return {@link String}
  	 */
  	default String divide(Integer a) {
  		return divide(a, 0);
  	}
  
  	/**
  	 * Call the notFound method of the remote provider or roll back when the service is blown.
  	 *
  	 * @return {@link String}
  	 */
  	@GetMapping("/notFound")
  	String notFound();
  }
  