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Added Feign Client

This commit is contained in:
Christian Raedel 2016-08-22 19:57:11 +02:00
parent e618804c75
commit da1bdf90bf
5 changed files with 145 additions and 0 deletions
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1
spring-cloud-hystrix/pom.xml
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@ -9,6 +9,7 @@
<modules> <modules>
<module>spring-cloud-hystrix-rest-producer</module> <module>spring-cloud-hystrix-rest-producer</module>
<module>spring-cloud-hystrix-rest-consumer</module> <module>spring-cloud-hystrix-rest-consumer</module>
<module>spring-cloud-hystrix-feign-rest-consumer</module>
</modules> </modules>
<packaging>pom</packaging> <packaging>pom</packaging>

82
spring-cloud-hystrix/spring-cloud-hystrix-feign-rest-consumer/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
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>
<artifactId>spring-cloud-hystrix-feign-rest-consumer</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>Spring Cloud Hystrix Feign REST Consumer</name>
<description>Spring Cloud Hystrix Feign Sample Implementation</description>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-hystrix</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-hystrix-rest-producer</artifactId>
<version>1.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-hystrix</artifactId>
<version>1.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-hystrix-dashboard</artifactId>
<version>1.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-feign</artifactId>
<version>1.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>1.4.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
<version>1.4.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
<version>1.4.0.RELEASE</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-parent</artifactId>
<version>Brixton.SR4</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

21
spring-cloud-hystrix/spring-cloud-hystrix-feign-rest-consumer/src/main/java/com/baeldung/spring/cloud/hystrix/rest/consumer/GreetingClient.java Normal file
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package com.baeldung.spring.cloud.hystrix.rest.consumer;
import com.baeldung.spring.cloud.hystrix.rest.producer.GreetingController;
import org.springframework.cloud.netflix.feign.FeignClient;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.PathVariable;
@FeignClient(
name = "rest-producer",
url = "http://localhost:9090/greeting/{username}",
fallback = GreetingClient.GreetingClientFallback.class
)
public interface GreetingClient extends GreetingController {
@Component
public static class GreetingClientFallback implements GreetingClient {
@Override
public String greeting(@PathVariable("username") String username) {
return "Hello User!";
}
}
}

32
spring-cloud-hystrix/spring-cloud-hystrix-feign-rest-consumer/src/main/java/com/baeldung/spring/cloud/hystrix/rest/consumer/RestConsumerFeignApplication.java Normal file
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package com.baeldung.spring.cloud.hystrix.rest.consumer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.netflix.feign.EnableFeignClients;
import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
@SpringBootApplication
@EnableCircuitBreaker
@EnableHystrixDashboard
@EnableFeignClients
@Controller
public class RestConsumerFeignApplication {
@Autowired
private GreetingClient greetingClient;
public static void main(String[] args) {
SpringApplication.run(RestConsumerFeignApplication.class, args);
}
@RequestMapping("/get-greeting/{username}")
public String getGreeting(Model model, @PathVariable("username") String username) {
model.addAttribute("greeting", greetingClient.greeting(username));
return "greeting-view";
}
}

9
spring-cloud-hystrix/spring-cloud-hystrix-feign-rest-consumer/src/main/resources/templates/greeting-view.html Normal file
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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>Greetings from Hystrix</title>
</head>
<body>
<h2 th:text="${greeting}"/>
</body>
</html>