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new 7cad4625945 冗余内容 Delete
content/zh-cn/overview/mannual/golang-sdk/tutorial/develop/features/generic.md
(#2899)
7cad4625945 is described below
commit 7cad462594549494bb8d6faa94569075b7909e3e
Author: Krane <[email protected]>
AuthorDate: Thu Jan 11 20:18:28 2024 +0800
冗余内容 Delete
content/zh-cn/overview/mannual/golang-sdk/tutorial/develop/features/generic.md
(#2899)
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.../tutorial/develop/features/generic.md | 107 ---------------------
1 file changed, 107 deletions(-)
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----
-aliases:
- - /zh/docs3-v2/golang-sdk/tutorial/develop/features/generic/
- - /zh-cn/docs3-v2/golang-sdk/tutorial/develop/features/generic/
-description: 泛化调用
-title: 泛化调用
-type: docs
-weight: 7
----
-
-
-
-
-
-
-## 1. Dubbo-go 泛化调用 Java Server
-
-使用 Triple 协议 + hessian2 序列化方案
-
-### 1.1 Java-Server启动
-
-1. 传输结构定义
-
-```java
-package org.apache.dubbo;
-
-import java.io.Serializable;
-import java.util.Date;
-
-public class User implements Serializable {
- private String id;
-
- private String name;
-
- private int age;
-
- private Date time = new Date();
-}
-```
-
-2. 接口定义
-
-```java
-package org.apache.dubbo;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-//import org.apache.dubbo.rpc.filter.GenericFilter;
-
-public interface UserProvider {
- User GetUser1(String userId);
-}
-```
-
-### 1.2 Go-Client 泛化调用
-
-此处展示以 API 的形式构造泛化接口引用
-
-```go
-// 初始化 Reference 配置
-refConf := config.NewReferenceConfigBuilder().
- SetInterface("org.apache.dubbo.UserProvider").
- SetRegistryIDs("zk").
- SetProtocol(tripleConst.TRIPLE).
- SetGeneric(true).
- SetSerialization("hessian2").
- Build()
-
-// 构造 Root 配置，引入注册中心模块
-rootConfig := config.NewRootConfigBuilder().
- AddRegistry("zk",
config.NewRegistryConfigWithProtocolDefaultPort("zookeeper")).
- Build()
-
-// Reference 配置初始化，因为需要使用注册中心进行服务发现，需要传入经过配置的 rootConfig
-if err := refConf.Init(rootConfig); err != nil{
- panic(err)
-}
-
-// 泛化调用加载、服务发现
-refConf.GenericLoad(appName)
-
-time.Sleep(time.Second)
-
-// 发起泛化调用
-resp, err := refConf.GetRPCService().(*generic.GenericService).Invoke(
- context.TODO(),
- "getUser1",
- []string{"java.lang.String"},
- []hessian.Object{"A003"},
-)
-
-if err != nil {
- panic(err)
-}
-logger.Infof("GetUser1(userId string) res: %+v", resp)
-```
-
-GenericService 的 Invoke 方法包括三个参数：context.Context, []string, []hessian.Object,
-
-其中第二个参数为对应参数的 Java
类名，例如java.lang.String、org.apache.dubbo.User，第三个参数为参数列表，hessian.Object 即为
interface。第二、第三个参数应与方法签名一致，按顺序对应。
-
-获得map结构的返回结果
-
-```
-INFO cmd/client.go:89 GetUser1(userId string) res: map[age:48
class:org.apache.dubbo.User id:A003 name:Joe sex:MAN time:2021-10-04
14:03:03.37 +0800 CST]
-```
\ No newline at end of file
