Eureka integration section

Author: Alexander Furer

README.adoc

@@ -1,10 +1,5 @@
 = Spring boot starter for http://www.grpc.io/[gRPC framework.] https://bintray.com/lognet/maven/grpc-spring-boot-starter/_latestVersion[ image:https://api.bintray.com/packages/lognet/maven/grpc-spring-boot-starter/images/download.svg[Download]] image:https://travis-ci.org/LogNet/grpc-spring-boot-starter.svg?branch=master[Build Status,link=https://travis-ci.org/LogNet/grpc-spring-boot-starter] https://bintray.com/lognet/maven/grpc-spring-boot-starter?source=watch[ image:https://www.bintray.com/docs/images/bintray_badge_color.png[]]
-:toc: left
-:doctype: book
-:toclevels: 4
-:source-highlighter: prettify
-:numbered:
-:icons: font
+:toc:
 
 
 == Features
@@ -172,16 +167,18 @@ Below are the essential parts of configurations for both server and client proje
  }
 ----
 
+
 * Configure gRPC server to register itself with Eureka.
 
+
 [source,yaml]
 .bootstrap.yaml
 ----
 spring:
     application:
         name: my-service-name <1>
 ----
-<1> Eureka's `ServiceId` by default is the spring application name, provide it before the service register itself with Eureka.
+<1> Eureka's `ServiceId` by default is the spring application name, provide it before the service registers itself with Eureka.
 
 [source,yaml]
 .application.yaml
@@ -195,34 +192,36 @@ eureka:
         serviceUrl:
             defaultZone: http://${eureka.host:localhost}:${eureka.port:8761}/eureka/ <3>
 ----
+
 <1> Specify the port number the gRPC is listening on.
 <2> Register the eureka service port to be the same as `grpc.port` so client will know where to send the requests to.
-<3> Specify the  registry URL, so the service will register itself  using this URL.
+<3> Specify the  registry URL, so the service will register itself with. 
+
+  d
+ * Expose the gRPC service as part of Spring Boot Application.
 
-* Expose the gRPC service as part of Spring Boot Application.
 
 [source,java]
 .EurekaGrpcServiceApp.java
 ----
-@SpringBootApplication
-@EnableEurekaClient
-public class EurekaGrpcServiceApp {
+ @SpringBootApplication
+ @EnableEurekaClient
+ public class EurekaGrpcServiceApp {
 
-    @GRpcService
-    public static class GreeterService extends GreeterGrpc.GreeterImplBase {
-        @Override
-        public void sayHello(GreeterOuterClass.HelloRequest request, StreamObserver<GreeterOuterClass.HelloReply> responseObserver) {
-            ...
-        }
-    }
+     @GRpcService
+     public static class GreeterService extends GreeterGrpc.GreeterImplBase {
+         @Override
+         public void sayHello(GreeterOuterClass.HelloRequest request, StreamObserver<GreeterOuterClass.HelloReply> responseObserver) {
 
-    public static void main(String[] args) {
-        SpringApplication.run(DemoApp.class,args);
-    }
+         }
+     }
 
-}
-----
+     public static void main(String[] args) {
+         SpringApplication.run(DemoApp.class,args);
+     }
 
+ }
+----
 
 ===  gRPC Client Project
 
@@ -248,42 +247,50 @@ eureka:
     service-url:
       defaultZone: http://${eureka.host:localhost}:${eureka.port:8761}/eureka/ <2>
 ----
-<1> `false` if this project is not meant to act as  a `service` to another client.
-<2>  Specify the  registry URL, so this client  will know where to lookup the required service.
 
-* Use `EurekaClient` to get the coordinates of grpc service instance from Eureka:
+<1> `false` if this project is not meant to act as  a service to another client.
+<2>  Specify the  registry URL, so this client  will know where to look up the required service.
+
+* Use EurekaClient to get the coordinates of gRPC service instance from Eureka.
 
- [source,java]
- .GreeterServiceConsumerApplication.java
- ----
+[source,java]
+.GreeterServiceConsumerApplication.java
+----
  @EnableEurekaClient
  @SpringBootApplication
  public class GreeterServiceConsumerApplication {
-  public static void main(String[] args) {
-      SpringApplication.run(GreeterServiceConsumerApplication.class, args);
-  }
+     public static void main(String[] args) {
+       SpringApplication.run(GreeterServiceConsumerApplication.class, args);
+     }
  }
- ----
-
- [source,java]
- .GreeterServiceConsumer.java
-  ----
-  @EnableEurekaClient
-  @Component
-  public class GreeterServiceConsumer {
+----
+
+
+
+[source,java]
+.GreeterServiceConsumer.java
+----
+@EnableEurekaClient
+@Component
+public class GreeterServiceConsumer {
     @Autowired
     private EurekaClient client;
-    public DeferredResult<String> foo(String name) {
-        final InstanceInfo instanceInfo = client.getNextServerFromEureka("my-service-name", false);
+    
+    public void greet(String name) {
+        final InstanceInfo instanceInfo = client.getNextServerFromEureka("my-service-name", false);<1>
         final ManagedChannel channel = ManagedChannelBuilder.forAddress(instanceInfo.getIPAddr(), instanceInfo.getPort())
                 .usePlaintext(true)
-                .build();
-        final GreeterServiceGrpc.GreeterServiceFutureStub stub = GreeterServiceGrpc.newFutureStub(channel);
+                .build(); <2>
+        final GreeterServiceGrpc.GreeterServiceFutureStub stub = GreeterServiceGrpc.newFutureStub(channel); <3>
         stub.greet(name);
 
     }
-  }
-  ----
+}
+----
+<1> Get the information about the `my-service-name` instance.
+<2> Build `channel` accordingly.
+<3> Create stub using the `channel`.
+
 
 
 == License