Thrift使用实例

Thrift使用实例

首先下载thrift.exe,和相应lib包，注意版本号一定要一致，否则编译会不识别出现错误。

可能会出现org.slf4j这个错误，那么你要把slf4j-api.jar下载下来引入到你的工程中

namespace java com.nerd.thrift.service
/**
 *
 */
service sayThriftService{
void say();
}

通过在命令行中转到 thrift-1.8.0.exe -gen java  sayThriftService

在磁盘文件夹中（com.nerd.thrift.service）可发现这个脚本相应的java代码

如下：

public class sayThriftService {

  /**
  *
  */
  public interface Iface {

    public void say() throws org.apache.thrift.TException;

  }

  public interface AsyncIface {

    public void say(org.apache.thrift.async.AsyncMethodCallback<AsyncClient.say_call> resultHandler) throws org.apache.thrift.TException;

  }

  public static class Client extends org.apache.thrift.TServiceClient implements Iface {
    public static class Factory implements org.apache.thrift.TServiceClientFactory<Client> {
      public Factory() {}
      public Client getClient(org.apache.thrift.protocol.TProtocol prot) {
        return new Client(prot);
      }
      public Client getClient(org.apache.thrift.protocol.TProtocol iprot, org.apache.thrift.protocol.TProtocol oprot) {
        return new Client(iprot, oprot);
      }
    }
    ...................省略（具体看自己的生成代码）

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使用Java快速入门Thrift

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先写一个Server类：

package com.nerd.clq;

import org.apache.thrift.TException;
import org.apache.thrift.TProcessor;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocolFactory;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TThreadPoolServer;
import org.apache.thrift.server.TThreadPoolServer.Args;
import org.apache.thrift.transport.TServerSocket;

import com.nerd.clq.thrift.sayThriftService;
import com.nerd.clq.thrift.sayThriftService.Iface;

public class Server implements sayThriftService.Iface{
 private static TServer server;
 @Override
 public void say() throws TException {
  System.out.println(System.currentTimeMillis());
 }
 
 public static void main(String[] args) throws TException {
  Server server1 = new Server();
  TServerSocket serverTransport = new TServerSocket(8080);
                TProtocolFactory proFactory = new TBinaryProtocol.Factory();
                sayThriftService.Processor<Iface> processor = new sayThriftService.Processor<Iface>(server1);
                Args arg = new Args(serverTransport) {
  }.protocolFactory(proFactory).processor(processor);
  server = new TThreadPoolServer(arg);
  //启动服务（先启动这个类，然后启动client类）
  server.serve();
 }
}

client客户端类

package com.nerd.clq;

import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;

import com.nerd.clq.thrift.sayThriftService;

public class Client {
 public static void main(String[] args) throws TException {
    TTransport transport = new TSocket("localhost", 8080);
    TProtocol protocol = new TBinaryProtocol(transport);
    sayThriftService.Client client = new sayThriftService.Client(protocol);
    transport.open();
    client.say();
    transport.close();
 }
 
}

 服务器编写的一般步骤：
1. 创建Handler
2. 基于Handler创建Processor
3. 创建Transport
4. 创建Protocol方式
5. 基于Processor, Transport和Protocol创建Server
6. 运行Server

客户端编写的一般步骤：
1. 创建Transport
2. 创建Protocol方式
3. 基于Transport和Protocol创建Client
4. 运行Client的方法

创建Transport的时候，一般都需要创建相应的Socket。

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