spring與thrift集成

spring與thrift集成，能夠使服務調用和發佈更方便。

本文代碼是在上篇基礎上改進，部分代碼介紹請參考上一篇Thrift的java和php數據交互（http://my.oschina.net/penngo/blog/489311）

服務器端spring配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
				http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
				http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
				http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"
	default-lazy-init="false">

	<!-- 登陸服務 -->
	<bean id="loginServiceImpl" class="com.penngo.LoginServiceImpl" />
	<!-- 註冊服務 -->
	<bean id="registerServiceImpl" class="com.penngo.RegisterServiceImpl" />
	
	<bean id="thriftServer" class="com.penngo.main.SpringServer" init-method="init" destroy-method="close">
	    <property name="port" value="7911" />
	    <property name="serviceList">  
	        <map>
                <entry key = "LoginService">
                    <ref bean = "loginServiceImpl" />
                </entry>
                <entry key = "RegisterService">
                    <ref bean = "registerServiceImpl" />
                </entry>
            </map>
        </property> 
	</bean>
</beans>

服務發佈實現

package com.penngo.main;

import java.lang.instrument.IllegalClassFormatException;
import java.lang.reflect.Constructor;
import java.util.Map;

import org.apache.thrift.TMultiplexedProcessor;
import org.apache.thrift.TProcessor;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TThreadPoolServer;
import org.apache.thrift.transport.TServerSocket;
import org.springframework.context.support.ClassPathXmlApplicationContext;


public class SpringServer {
	private Map<String, Object> serviceList;
	private int port;
	private TServerSocket serverTransport;
	
	public void setServiceList(Map<String, Object> serviceList) {
		this.serviceList = serviceList;
	}

	public void setPort(int port) {
		this.port = port;
	}

	public void init(){
		try {
			serverTransport = new TServerSocket(port);
			TMultiplexedProcessor mprocessor = new TMultiplexedProcessor();
			for(Map.Entry<String, Object> entry : serviceList.entrySet()){
				Object obj = entry.getValue();
				Class<?> serviceClass = obj.getClass();
				// 獲取實現類接口
				Class<?>[] interfaces = serviceClass.getInterfaces();
				TProcessor processor = null;
				String serviceName = null;
				for(Class<?> clazz:interfaces){
					System.out.println("ThriftServer=========" + clazz.getSimpleName());
					String className = clazz.getEnclosingClass().getSimpleName();
					serviceName = clazz.getEnclosingClass().getName();
					System.out.println("serviceName=========" + serviceName + " " + className);
					String pname = serviceName + "$Processor";
					try {
						ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
						Class<?> pclass = classLoader.loadClass(pname);
						if (!TProcessor.class.isAssignableFrom(pclass)) {
							continue;
						}
						Constructor<?> constructor = pclass.getConstructor(clazz);
						processor = (TProcessor) constructor.newInstance(obj);
						System.out.println("processor=========" + processor.getClass().getSimpleName());
						mprocessor.registerProcessor(className, processor);
						break;
					} catch (Exception e) {
						e.printStackTrace();
					}
				}
				if (processor == null) {
					throw new IllegalClassFormatException("service-class should implements Iface");
				}
				
			}
			TServer server = new TThreadPoolServer(new TThreadPoolServer.Args(
			serverTransport).processor(mprocessor));
			System.out.println("Starting server on port 7911 ...");
			server.serve();

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	public void close(){
		serverTransport.close();
	}
	
	public static void main(String[] args){
		try {
			new ClassPathXmlApplicationContext("classpath:spring-context-thrift-server.xml");
			//Thread.sleep(3000000);

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

客戶端spring配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
				http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
				http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
				http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"
	default-lazy-init="false">

	<bean id="thriftServer" class="com.penngo.main.SpringClient" init-method="init" destroy-method="close">
	    <property name="port" value="7911" />
	    <property name="serviceMap">  
	        <map>
                <entry key = "LoginService">
                    <value>com.penngo.LoginService</value>
                </entry>
                <entry key = "RegisterService">
                    <value>com.penngo.RegisterService</value>
                </entry>
            </map>
        </property> 
	</bean>
</beans>

客戶端調用例子

package com.penngo.main;

import java.lang.reflect.Constructor;
import java.util.HashMap;
import java.util.Map;

import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TMultiplexedProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.penngo.LoginService;
import com.penngo.RegisterService;
import com.penngo.User;

public class SpringClient {
	private int port;
	private Map<String, String> serviceMap;
	private Map<String, Object> clientMap;
	private TTransport transport;
	public void setPort(int port) {
		this.port = port;
	}

	public void setServiceMap(Map<String, String> serviceMap) {
		this.serviceMap = serviceMap;
	}



	public Object getClient(String name){
		return clientMap.get(name);
	}
	
	public void init(){
		clientMap = new HashMap<String, Object>();
		try {
			transport = new TSocket("localhost", port);
			TProtocol protocol = new TBinaryProtocol(transport);
			for(Map.Entry<String, String> entry : serviceMap.entrySet()){
				String obj = entry.getValue();
				System.out.println(entry.getKey() + " " + entry.getValue());
				TMultiplexedProtocol mp = new TMultiplexedProtocol(protocol,
						entry.getKey());
				ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
				Class<?> objectClass = classLoader.loadClass(obj + "$Client");

				Constructor<?> stor = objectClass.getDeclaredConstructor(TProtocol.class);
				Object client = stor.newInstance(mp);
				clientMap.put(entry.getKey(), client);
			}

			transport.open();

		} catch (Exception x) {
			x.printStackTrace();
		}
	}
	public void close(){
		transport.close();
	}
	
	public static void main(String[] args){
		try {
			ApplicationContext context = new ClassPathXmlApplicationContext("spring-context-thrift-client.xml");
			SpringClient springClient = (SpringClient) context.getBean("thriftServer");
			//調用登陸服務
			LoginService.Client loginService = (LoginService.Client)springClient.getClient("LoginService");
			User user = loginService.login("penngo", "123");
			if (user != null) {
				System.out.println("登陸成功：" + user.getId() + " "
						+ user.getName());
			} else {
				System.out.println("登陸失敗");
			}
			//調用註冊服務
			RegisterService.Client registerClient = (RegisterService.Client)springClient.getClient("RegisterService");
			User user2 = registerClient.createUser("test", "123");
			if (user2 != null) {
				System.out.println("建立用戶成功：" + user2.getId() + " "
						+ user2.getName());
			} else {
				System.out.println("建立用戶失敗");
			}

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

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