doing

Chapter9-1-5/service-A/src/main/java/com/didispace/ComputeServiceApplication.java

@@ -0,0 +1,15 @@
+package com.didispace;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+
+@EnableDiscoveryClient
+@SpringBootApplication
+public class ComputeServiceApplication {
+
+	public static void main(String[] args) {
+		new SpringApplicationBuilder(ComputeServiceApplication.class).web(true).run(args);
+	}
+
+}

Chapter9-1-5/service-A/src/main/java/com/didispace/web/ComputeController.java

@@ -0,0 +1,28 @@
+package com.didispace.web;
+
+import org.apache.log4j.Logger;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cloud.client.ServiceInstance;
+import org.springframework.cloud.client.discovery.DiscoveryClient;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class ComputeController {
+
+    private final Logger logger = Logger.getLogger(getClass());
+
+    @Autowired
+    private DiscoveryClient client;
+
+    @RequestMapping(value = "/add" ,method = RequestMethod.GET)
+    public Integer add(@RequestParam Integer a, @RequestParam Integer b) {
+        ServiceInstance instance = client.getLocalServiceInstance();
+        Integer r = a + b;
+        logger.info("/add, host:" + instance.getHost() + ", service_id:" + instance.getServiceId() + ", result:" + r);
+        return r;
+    }
+
+}

Chapter9-1-5/service-A/src/main/resources/application.properties

@@ -0,0 +1,6 @@
+spring.application.name=service-A
+
+server.port=2222
+
+eureka.client.serviceUrl.defaultZone=http://localhost:1111/eureka/
+

Chapter9-1-5/service-A/src/test/java/com/didispace/ApplicationTests.java

@@ -0,0 +1,37 @@
+package com.didispace;
+
+import com.didispace.web.ComputeController;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.http.MediaType;
+import org.springframework.mock.web.MockServletContext;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = MockServletContext.class)
+@WebAppConfiguration
+public class ApplicationTests {
+
+	private MockMvc mvc;
+
+	@Before
+	public void setUp() throws Exception {
+		mvc = MockMvcBuilders.standaloneSetup(new ComputeController()).build();
+	}
+
+	@Test
+	public void getHello() throws Exception {
+	}
+
+}