@ServiceProvider(group = "test", name = "serviceTest")
public interface ServiceTest {
    String sayHelloString();
}

@ServiceProvider:
    - 建议每个服务接口通过此注解来指定服务信息, 如不希望业务代码对jupiter依赖也可以不使用此注解而手动去设置服务信息
        + group: 服务组别(选填, 默认组别为'Jupiter')
        + name: 服务名称(选填, 默认名称为接口全限定名称)

@ServiceProviderImpl(version = "1.0.0")
public class ServiceTestImpl implements ServiceTest {

    @Override
    public String sayHelloString() {
        return "Hello jupiter";
    }
}

@ServiceProviderImpl:
    - 建议每个服务实现通过此注解来指定服务版本信息, 如不希望业务代码对jupiter依赖也可以不使用此注解而手动去设置版本信息
        + version: 服务版本号(选填, 默认版本号为'1.0.0')

public class HelloJupiterRegistryServer {

    public static void main(String[] args) {
        // 注册中心
        RegistryServer registryServer = RegistryServer.Default.createRegistryServer(20001, 1);
        try {
            registryServer.startRegistryServer();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

public class HelloJupiterServer {

    public static void main(String[] args) throws Exception {
        JServer server = new DefaultServer().withAcceptor(new JNettyTcpAcceptor(18090));
        // provider
        ServiceTestImpl service = new ServiceTestImpl();
        // 本地注册
        ServiceWrapper provider = server.serviceRegistry()
                .provider(service)
                .register();
        // 连接注册中心
        server.connectToRegistryServer("127.0.0.1:20001");
        // 向注册中心发布服务
        server.publish(provider);
        // 启动server
        server.start();
    }
}

public class HelloJupiterClient {

    public static void main(String[] args) {
        JClient client = new DefaultClient().withConnector(new JNettyTcpConnector());
        // 连接RegistryServer
        client.connectToRegistryServer("127.0.0.1:20001");
        // 自动管理可用连接
        JConnector.ConnectionWatcher watcher = client.watchConnections(ServiceTest.class);
        // 等待连接可用
        if (!watcher.waitForAvailable(3000)) {
            throw new ConnectFailedException();
        }

        ServiceTest service = ProxyFactory.factory(ServiceTest.class)
                .version("1.0.0")
                .client(client)
                .newProxyInstance();

        service.sayHelloString();
    }
}