手写 dubbo（2017 最后一篇博客,回家相亲...）
首先 介绍一下 dubbo大神的 博客地址 : http://javatar.iteye.com/blog/1123915
test
constructor
refer
public class SocketConsumer implements RpcRefer {
@Override
public <T> T refer(Class<T> interfaceClass, String host, int port) {
return (T) Proxy.newProxyInstance(interfaceClass.getClassLoader(), new Class<?>[] {interfaceClass}, new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable {
Socket socket = null;
ObjectInputStream input = null;
try {
socket = new Socket(host, port);
DataOutputStream out = new DataOutputStream(socket.getOutputStream());
InvokeEnity entity = new InvokeEnity();
entity.setServiceName(interfaceClass.getName());
entity.setMethodName(method.getName());
ArrayList<String> parameterTypes= new ArrayList<String>();
for (int i = 0; i < method.getParameterTypes().length; i++) {
Class<?> class1 = method.getParameterTypes()[i];
parameterTypes.add(class1.getName());
}
entity.setParameterTypes(parameterTypes);
entity.setParameters(CollectionUtils.arrayToList(args));
out.writeUTF(FastJsonUtils.toJSONString(entity).toString());
input = new ObjectInputStream(socket.getInputStream());
Object serviceInvoke = input.readObject();
return serviceInvoke;
} catch (Exception e) {
e.printStackTrace();
} finally {
if (socket != null) {
try {
socket.close();
} catch (IOException e) {
socket = null;
}
}
if (input != null) {
try {
input.close();
} catch (IOException e) {
input = null;
}
}
}
return null;
}
});
}
}
export
public class SocketProducter implements RpcExport {
@Override
public void export(Object service, int port ) {
try {
ServerSocket serverSocket = new ServerSocket(port);
while (true) {
Socket client = serverSocket.accept();
new HandlerThread(client,service);
}
} catch (Exception e) {
e.printStackTrace();
}
}
private class HandlerThread implements Runnable {
private Socket socket;
private Object service ;
public HandlerThread(Socket client,Object service) {
socket = client;
this.service = service;
new Thread(this).start();
}
public void run() {
try {
DataInputStream input = new DataInputStream(socket.getInputStream());
String request = input.readUTF();
Object execute = null;
if( FastJsonUtils.isJson(request)){
InvokeEnity entityEnity = InvokeEnity.transefer(request);
String methodName = entityEnity.getMethodName();
List<String> parameterTypeses = entityEnity.getParameterTypes();
List<String> parameteres = entityEnity.getParameters();
Class<?>[] parameterTypes = new Class<?>[parameterTypeses.size()];
Object[] parameters = new Object[parameterTypeses.size()];
for (int i = 0; i <parameterTypeses.size(); i++) {
parameterTypes[i] = Class.forName(parameterTypeses.get(i));
parameters[i] = parameteres.get(i);
}
execute = CGLibUtils.execute(service, methodName, parameterTypes, parameters);
/* Method method = service.getClass().getMethod(methodName, parameterTypes);
execute = method.invoke(service, parameters); */
}
ObjectOutputStream out = new ObjectOutputStream(socket.getOutputStream());
out.writeObject(execute);
out.close();
input.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (socket != null) {
try {
socket.close();
} catch (Exception e) {
socket = null;
}
}
}
}
}
}
public interface UserService {
public User getUser(String name);
}
public class UserServiceImpl implements UserService {
@Override
public User getUser(String name) {
User user = new User();
user.setName(name);
user.setPassword(name +"1213212");
return user;
}
}
producter 提供者
public class ProducterTest {
public static void main(String[] args) {
RpcFactory rpc = RpcFactory.getInstanceByStrategy("simpleIO");
RpcExport rpcExport = rpc.getRpcExport();
UserService service = new UserServiceImpl();
rpcExport.export(service, Constants.PORT);
}
}
consumer消费者
public class ConsumerTest {
public static void main(String[] args) {
RpcFactory rpc = RpcFactory.getInstanceByStrategy("simpleIO");
RpcRefer rpcRefer = rpc.getRpcRefer();
UserService userService = rpcRefer.refer(UserService.class, Constants.IP_ADDR, Constants.PORT);
for (int i = 0; i < 10; i++) {
User user = userService.getUser("baoyou");
System.out.println(FastJsonUtils.toJSONString(user).toString());
}
}
}
捐助开发者
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