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apache-dubbo-consumer

v4.0.0

Published

Apache dubbo & dubbo-js & dubbo-common

Downloads

12

Readme

dubbo

nodejs 使用原生的 dubbo 协议打通了 dubbo 的 rpc 方法调用 .

Getting Started

yarn add dubbo-js

How to Usage?

import { Dubbo, java, TDubboCallResult } from 'dubbo'

//定义dubbo方法类型接口
//方便代码自动提示
//如果写的JavaScript忽略
interface IDemoService {
  sayHello(name: string): TDubboCallResult<string>

  echo(): TDubboCallResult<string>

  test(): TDubboCallResult<void>

  getUserInfo(): TDubboCallResult<{
    status: string
    info: { id: number; name: string }
  }>
}

//创建dubbo对象
const dubbo = new Dubbo({
  application: { name: 'dubbo-js' },
  //zookeeper address
  register: 'localhost:2181',
  dubboVersion: '2.0.0',
  interfaces: ['org.apache.dubbo.demo.DemoService']
})

//代理本地对象->dubbo对象
const demoService = dubbo.proxyService<IDemoService>({
  dubboInterface: 'org.apache.dubbo.demo.DemoService',
  version: '1.0.0',
  methods: {
    sayHello(name) {
      //仅仅做参数hessian化转换
      return [java.String(name)]
    },

    echo() {},

    test() {},

    getUserInfo() {
      //仅仅做参数hessian化转换
      return [
        java.combine('com.alibaba.dubbo.demo.UserRequest', {
          id: 1,
          name: 'nodejs',
          email: '[email protected]'
        })
      ]
    }
  }
})

const result1 = await demoService.sayHello('node')
//print {err: null, res:'hello node from dubbo service'}
const res = await demoService.echo()
//print {err: null, res: 'pang'}

const res = await demoService.getUserInfo()
//status: 'ok', info: { id: '1', name: 'test' }

as developer

brew install zookeeper
brew services start zookeeper

#运行java/dubbo-simple下面的例子

yarn run test

# 全链路日志跟踪
DEBUG=dubbo*

API

创建 Dubbo 对象

const dubbo = new Dubbo({
  dubboVersion          //当前dubbo的版本 (string类型); 必传
  application           //记录应用的名称,zookeeper的调用时候写入consumer 类型:({name: string};) 可选
  enableHeartBeat       //是否启用心跳机制 默认true 可选 类型 boolean
  dubboInvokeTimeout    //设置dubbo调用超时时间默认10s 可选 类型number
  dubboSocketPool       //设置dubbo创建socket的pool大小,默认4 可选 类型number
  logger                //设置logger对象,可选
  register              //设置zookeeper注册中心地址 必填 类型string
  zkRoot                //zk的默认根路径,默认/dubbo 类型string
  interfaces            //设置zk监听的接口名称 类型 Array<string> 必填
});

// Or
const dubbo = Dubbo.from({
  dubboVersion          //当前dubbo的版本 (string类型); 必传
  application           //记录应用的名称,zookeeper的调用时候写入consumer 类型:({name: string};) 可选
  enableHeartBeat       //是否启用心跳机制 默认true 可选 类型 boolean
  dubboInvokeTimeout    //设置dubbo调用超时时间默认10s 可选 类型number
  dubboSocketPool       //设置dubbo创建socket的pool大小,默认4 可选 类型number
  logger                //设置logger对象,可选
  register              //设置zookeeper注册中心地址 必填 类型string
  zkRoot                //zk的默认根路径,默认/dubbo 类型string
  interfaces            //设置zk监听的接口名称 类型 Array<string> 必填
})

//dubbo的代理服务
const demoSerivce = Dubbo.proxService({
  //代理的服务接口 - string 必传
  dubboInterface: 'com.alibaba.dubbo.demo.DemoService',
  //服务接口的版本 - string 必传
  version: '1.0.0',
  //接口内的方法 - Array<Function> 必传
  methods: {
    //method name
    xx(params) {
      return [
        params
      ]
    }
  },
})

FAQ

import { Dubbo } from 'dubbo-js'

默认导入的 dubbo-js 是按照 es2017 进行编译的,支持 node7.10 以上。

如果更低的 node 版本,可以使用

import { Dubbo } from 'dubbo-js/es6'