增加 spring-cloud-hystrix用例

spring-cloud/spring-cloud-hystrix/producer/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.heibaiying.hystrix</groupId>
+        <artifactId>spring-cloud-hystrx</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>producer</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+        </dependency>
+        <!--引入对公共模块的依赖-->
+        <dependency>
+            <groupId>com.heibaiying.hystrix</groupId>
+            <artifactId>common</artifactId>
+            <version>0.0.1-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+
+</project>

spring-cloud/spring-cloud-hystrix/producer/src/main/java/com/heibaiying/producer/ProducerApplication.java

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+package com.heibaiying.producer;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+
+@SpringBootApplication
+@EnableDiscoveryClient
+public class ProducerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(ProducerApplication.class, args);
+    }
+
+}
+

spring-cloud/spring-cloud-hystrix/producer/src/main/java/com/heibaiying/producer/controller/ProducerController.java

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+package com.heibaiying.producer.controller;
+
+
+import com.heibaiying.common.api.IProductService;
+import com.heibaiying.common.bean.Product;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * @author : heibaiying
+ */
+@RestController
+public class ProducerController {
+
+    @Autowired
+    private IProductService productService;
+
+    @GetMapping("products")
+    public List<Product> productList() {
+        return productService.queryAllProducts();
+    }
+
+    @GetMapping("product/{id}")
+    public Product productDetail(@PathVariable int id) {
+        return productService.queryProductById(id);
+    }
+
+    @PostMapping("product")
+    public void save(@RequestBody Product product) {
+        productService.saveProduct(product);
+    }
+}

spring-cloud/spring-cloud-hystrix/producer/src/main/java/com/heibaiying/producer/service/ProductService.java

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+package com.heibaiying.producer.service;
+
+import com.heibaiying.common.api.IProductService;
+import com.heibaiying.common.bean.Product;
+import org.springframework.boot.web.context.WebServerInitializedEvent;
+import org.springframework.context.ApplicationListener;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * @author : heibaiying
+ * @description : 产品提供接口实现类
+ */
+@Service
+public class ProductService implements IProductService, ApplicationListener<WebServerInitializedEvent> {
+
+    private static List<Product> productList = new ArrayList<>();
+
+    public Product queryProductById(int id) {
+        for (Product product : productList) {
+            if (product.getId() == id) {
+                return product;
+            }
+        }
+        return null;
+    }
+
+
+    public List<Product> queryAllProducts() {
+        // hystrix 默认超时是2秒
+        int i = new Random().nextInt(2500);
+        try {
+            Thread.sleep(i);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        return productList;
+    }
+
+    @Override
+    public void saveProduct(Product product) {
+        productList.add(product);
+    }
+
+    @Override
+    public void onApplicationEvent(WebServerInitializedEvent event) {
+        int port = event.getWebServer().getPort();
+        for (long i = 0; i < 20; i++) {
+            productList.add(new Product(i, port + "产品" + i, i / 2 == 0, new Date(), 66.66f * i));
+        }
+    }
+}

spring-cloud/spring-cloud-hystrix/producer/src/main/resources/application.yml

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+server:
+  port: 8020
+# 指定服务命名
+spring:
+  application:
+    name: producer
+# 指定注册中心地址
+eureka:
+  client:
+    serviceUrl:
+      defaultZone: http://localhost:8010/eureka/

spring-cloud/spring-cloud-hystrix/producer/src/test/java/com/heibaiying/producer/ProducerApplicationTests.java

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+package com.heibaiying.producer;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class ProducerApplicationTests {
+
+    @Test
+    public void contextLoads() {
+    }
+
+}
+