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netty-examples

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netty-examples 
==============

是基于netty4开发的应用实例：

- rpc server和client的实现
- Netty4Client简化netty client的应用，实现自动重连功能

RPC HelloWorld 实例
-------------------

服务实现

```java
public interface HelloWorld {
	public Result queryUser(User user);
}
```
```java
public class HelloWorldImpl implements HelloWorld {

@Override
	public Result queryUser(User user) {
		return new Result("hello " + user.getUsername());
	}

}
```

服务端

```java
public class ServerTest {
	public static void main(String[] args) {
		Netty4Server server = new Netty4Server(10);
		server.registerProcessor(HelloWorld.class.getName(), new HelloWorldImpl());

try {
			server.start(8080);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
```

客户端

```java
public class ClientTest {
	public static void main(String[] args) {
		try {
			HelloWorld helloWorld = RpcClientFactory.refer(HelloWorld.class, "localhost", 8080);

Result result = helloWorld.queryUser(new User("melin"));

System.out.println(result.getMessage());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
```

Netty4Client 实例
-------------------

```java
public class DiamondClient {
	public static void main(String[] args) throws Exception {
		Netty4Client client = new Netty4Client("localhost", 8080, new ClientChannelInitializer());
		
		while(client.isConnected()) {
			System.out.println(client.receiveMessage());
		}
		
		System.out.println("=============");
		
		client.close();
	}
}
```

netty-examples

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