| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 |
| * |
| * http://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 org.apache.dubbo.spring.boot.consumer; |
| |
| import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand; |
| import org.apache.dubbo.config.annotation.DubboReference; |
| import org.apache.dubbo.config.spring.context.annotation.EnableDubbo; |
| import org.apache.dubbo.spring.boot.api.HelloService; |
| import org.springframework.boot.SpringApplication; |
| import org.springframework.boot.autoconfigure.SpringBootApplication; |
| import org.springframework.cloud.netflix.hystrix.EnableHystrix; |
| import org.springframework.context.ConfigurableApplicationContext; |
| import org.springframework.stereotype.Service; |
| |
| @SpringBootApplication |
| @Service |
| @EnableHystrix |
| @EnableDubbo |
| public class ConsumerApplication { |
| |
| @DubboReference(version = "1.0.0") |
| private HelloService demoService; |
| |
| public static void main(String[] args) { |
| |
| ConfigurableApplicationContext context = SpringApplication.run(ConsumerApplication.class, args); |
| ConsumerApplication application = context.getBean(ConsumerApplication.class); |
| |
| String result = application.doSayHello("world"); |
| System.out.println("result: " + result); |
| } |
| |
| @HystrixCommand(fallbackMethod = "reliable") |
| public String doSayHello(String name) { |
| // According to author's original purpose, the fallbackMethod is triggered by remote RpcException but not NPE of demoService. |
| return demoService.sayHello(name); |
| } |
| |
| public String reliable(String name) { |
| return "hystrix fallback value"; |
| } |
| } |