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demo for RPC to study 全注解,无缝集成springboot自动装配,基于netty高性能NIO作为通信框架,zookeeper作为注册中心,实现缓存连接以及异步调用

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a sample demo for rpc to study

1.基于netty高性能NIO通信框架 2.基于全注解使用 3.实现自动装配 4.使用zookeeper注册中心 5.对spring进行扩展 6.将服务端和客户端进行解耦,分别引入不同和jar包 7.同步调用和异步调用分别实现 8.使用连接池缓存tcp连接 9.基于JDK8,大量使用lamada表达式,以及函数接口 10.不同分支侧重的功能不同,以及代码优化。 分支介绍: https://github.com/sxlsjf/delta-rpc/tree/future-promise-2.1.0 这个分支是采用promise编程范式实现的异步调用,https://github.com/sxlsjf/delta-rpc/tree/feature-asyn-v2.0 此分支分别实现同步异步调用,与采用promise的方式稍有不同

测试步骤 1.开启zookeeper,地址127.0.0.1:2181 2.启动服务端代码,spring boot项目

@SpringBootApplication @ServiceScan(basePackage = {"com.sxl.sample.test.provider"}) public class TestProviderApplication {

public static void main(String[] args) {
    SpringApplication.run(TestProviderApplication.class, args);
}

} 服务端测试案列

public interface PromiseService {

Promise<String> sayHello(String say);

}

@DeltaService(value = PromiseService.class,version = "1.0.0") public class PromiseServiceImpl implements PromiseService {

public Promise<String> sayHello(String say) {

    try {
        Thread.sleep(5000);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    System.out.println("打印消费端传过来的参数:"+say);
    //返回的对象用promise实现类包装
    return new LightDeferred<String>(say);
}

}

3.启动消费端代码。spring boot项目 @SpringBootApplication public class TestConsumerApplication {

public static void main(String[] args) {
    SpringApplication.run(TestConsumerApplication.class, args);
}

} 消费端测试案例: @RestController public class MyController {

@RpcReference(version = "1.0.0")
private PromiseService promiseService;


@RequestMapping("/index")
public String say(){


    System.out.println("同步调用当前线程:"+Thread.currentThread().getName());

    promiseService.sayHello("i love you").then(System.out::println)
            .then(t-> System.out.println("result:"+t))
            .then(t-> System.out.println("reslut2:"+t))
            .onSuccess(t-> System.out.println("成功执行"))
            .onFail(e->{
                throw new RuntimeException();
            });

    return "success";

}

}

4.项目结构

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demo for RPC to study 全注解,无缝集成springboot自动装配,基于netty高性能NIO作为通信框架,zookeeper作为注册中心,实现缓存连接以及异步调用

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