基于SpringBoot的Dubbo泛化调用的实现代码

基于SpringBoot的Dubbo泛化调用的实现代码

目录1、服务端定义1.1 服务定义及实现1.2 服务提供者配置1.3 启动类1.4 pom文件2、消费端定义2.1 Dubbo配置类2.2 启动类2.3 pom文件3、 运行结果4 、结论5、改进5.1 关于服务的实现5.2 在服务端配置中增加代码

Dubbo的泛化调用不需要引入调用方的接口，只需要指定接口的全类名，就可以调用服务，一般用于框架集成。接下来就基于SpringBoot实现了Dubbo的泛化调用。

1、服务端定义

1.1 服务定义及实现

package com.smart.springboot.api;

public interface HelloServiceFacade {

void sayHello();

}

package com.smart.springboot.service;

import com.alibaba.dubbo.config.annotation.Service;

import com.smart.springboot.api.HelloServiceFacade;

/**

* @author : cuantianhou 2020/1/14

*/

@Service(version = "1.0.0",timeout = 20000)

public class HelloService implements HelloServiceFacade {

@Override

public void sayHello() {

System.out.println("123");

}

}

1.2 服务提供者配置

package com.smart.springboot.config;

import com.alibaba.dubbo.config.ApplicationConfig;

import com.alibaba.dubbo.config.MonitorConfig;

import com.alibaba.dubbo.config.ProtocolConfig;

import com.alibaba.dubbo.config.RegistryConfig;

importhttp:// org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

/**

* @author : cuantianhou 2020/4/1

*/

@Configuration

public class DubboServiceConfig {

@Bean

public ApplicationConfig applicationConfig(){

ApplicationConfig applicationConfig = new ApplicationConfig();

applicationConfig.setId("springboot-dubbo-provider");

applicationConfig.setName("springboot-dubbo-provider");

return applicationConfig;

}

@Bean

public ProtocolConfig protocolConfig() {

ProtocolConfig protocolConfig = new ProtocolConfig();

protocolConfig.setPort(20880);

protocolConfig.setName("dubbo");

return protocolConfig;

}

@Bean

public RegistryConfig registryConfig() {

RegistryConfig registryConfig = new RegistryConfig();

registryConfig.setAddress("zookeeper://ip1:2181?backup=ip2:2181");

registryConfig.setCheck(false);

return registryConfig;

}

@Bean

public MonitorConfig monitorConfig() {

MonitorConfig monitorConfig = new MonitorConfig();

monitorConfig.setProtocol("registry");

return monitorConfig;

}

}

1.3 启动类

package com.smart.springboot;

import com.alibaba.dubbo.config.spring.context.annotation.DubboComponentScan;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

/**

* 启动类

*

* @author : cuantianhou 2020/1/14

*/

@SpringBootApplication

@DubboComponentScan("com.smart.springboot")

public class SpringBootDubboProvider {

public static void main(String[] args) {

SpringApplication.run(SpringBootDubboProvider.class,args);

}

}

1.4 pom文件

xmlns:xsi="http://w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.smart.springboot

springboot-dubbo-provider

1.0-SNAPSHOT

org.springframework.boot

spring-boot-starter-parent

2.0.0.RELEASE

org.springframework.boot

spring-boot-starter

com.alibaba.boot

dubbo-spring-boot-starter

0.2.0

com.smart.springboot

springboot-dubbo-api

1.0-SNAPSHOT

org.springframework.boot

spring-boot-maven-plugin

xmlns:xsi="http://w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.smart.springboot

springboot-dubbo-provider

1.0-SNAPSHOT

org.springframework.boot

spring-boot-starter-parent

2.0.0.RELEASE

org.springframework.boot

spring-boot-starter

com.alibaba.boot

dubbo-spring-boot-starter

0.2.0

com.smart.springboot

springboot-dubbo-api

1.0-SNAPSHOT

org.springframework.boot

spring-boot-maven-plugin

2、消费端定义

2.1 Dubbo配置类

package com.smart.springboot.config;

import com.alibaba.dubbo.config.*;

import com.alibaba.dubbo.rpc.service.GenericService;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

/**

* @author : cuantianhou 2020/4/1

*/

@Configuration

public class DubboConsumerConfig {

@Bean

public ApplicationConfig applicationConfig(){

ApplicationConfig applicationConfig = new ApplicationConfig();

applicationConfig.setId("springboot-dubbo-consumer");

applicationConfig.setName("springboot-dubbo-consumer");

return applicationConfig;

}

@Bean

public ProtocolConfig protocolConfig() {

ProtocolConfig protocolConfig = new ProtocolConfig();

protocolConfig.setPort(20880);

protocolConfig.setName("dubbo");

return protocolConfig;

}

@Bean

public RegistryConfig registryConfig() {

RegistryConfig registryConfig = new RegistryConfig();

registryConfig.setAddress("zookeeper://10.0.20.121:2181?backup=10.0.20.131:2181,10.0.20.132:2181,10.0.20.133:2181");

registryConfig.setCheck(false);

return registryConfig;

}

@Bean

public MonitorConfig monitorConfig() {

MonitorConfig monitorConfig = new MonitorConfig();

monitorConfig.setProtocol("registry");

return monitorConfig;

}

@Bean

public ReferenceConfig referenceConfig(){

ReferenceConfig referenceConfig = new ReferenceConfig<>();

referenceConfig.setInterface("com.smart.springboot.api.HelloServiceFacade");

referenceConfig.setApplication(applicationConfig());

referenceConfig.setRegistry(registryConfig());

referenceConfig.setMonitor(monitorConfig());

referenceConfig.setVersion("1.0.0");

referenceConfig.setTimeout(20000);

referenceConfig.setId("helloService");

referenceConfig.setGeneric(Boolean.TRUE);

return referenceConfig;

}

}

2.2 启动类

package com.smart.springboot;

import com.alibaba.dubbo.config.ReferenceConfig;

import com.alibaba.dubbo.rpc.service.GenericService;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autocoJdexQKPfQBnfigure.SpringBootApplication;

import org.springframework.context.ConfigurableApplicationContext;

import java.util.Arrays;

/**

* @author : cuantianhou 2020/1/14

*/

@SpringBootApplication

public class SpringBootDubboConsumer {

public static void main(String[] args) {

ConfigurableApplicationContext configurableApplicationContext = SpringApplication.run(SpringBootDubboConsumer.class,args);

String[] beanNames = configurableApplicationContext.getBeanDefinitionNames();

Arrays.asList(beanNames).forEach(System.out::println);

ReferenceConfig referenceConfig = configurableApplicationContext.getBean(ReferenceConfig.class);

GenericService genericService = referenceConfig.get();

genericService.$invoke("sayHello",null,null);

}

}

2.3 pom文件

xmlns:xsi="http://w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.smart.springboot

springboot-dubbo-consumer

1.0-SNAPSHOT

org.springframework.boot

spring-boot-starter-parent

2.0.0.RELEASE

org.springframework.boot

spring-boot-starter-web

com.alibaba.boot

dubbo-spring-boot-starter

0.2.0

org.springframework.boot

spring-boot-maven-plugin

xmlns:xsi="http://w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.smart.springboot

springboot-dubbo-consumer

1.0-SNAPSHOT

org.springframework.boot

spring-boot-starter-parent

2.0.0.RELEASE

org.springframework.boot

spring-boot-starter-web

com.alibaba.boot

dubbo-spring-boot-starter

0.2.0

org.springframework.boot

spring-boot-maven-plugin

3、 运行结果

4 、结论

从泛化调用实现的过程来看，我们可以对自己提供所有服务进行测试，不需要引入调用的接口，减少代码的侵入，如有问题，欢迎指正。

5、改进

关于服务暴露的改进

5.1 关于服务的实现

/**

* @author : cuantianhou 2020/1/14

*/

public class HelloService implements HelloServiceFacade {

@Override

public void sayHello() {

System.out.println("123");

}

}

5.2 在服务端配置中增加代码

@Bean

public ServiceConfig serviceConfig(){

ServiceConfig serviceConfig = new ServiceConfig<>();

serviceConfig.setInterface("com.smart.springboot.api.HelloServiceFacade");

serviceConfig.setRef(helloService());

serviceConfig.setApplication(applicationConfig());

serviceConfig.setRegistry(registryConfig());

serviceConfig.setMonitor(monitorConfig());

serviceConfig.setVersion("1.0.0");

serviceConfig.setTimeout(20000);

serviceConfig.setId("helloService");

serviceConfig.export();

return serviceConfig;

}

@Bean

public HelloService helloService(){

return new HelloService();

}

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