computeengine.java

java应用开发详解

import java.rmi.*;
import java.rmi.server.*;

public class ComputeEngine extends UnicastRemoteObject
                           implements Compute
{
    //构造方法
    public ComputeEngine() throws RemoteException 
    {
        super();
    }

    //方法实现
    public Object executeTask(Task t) 
    {
        return t.execute();
    }

    //主方法
    public static void main(String[] args) 
    {
        //注册一个安全管理器
        if (System.getSecurityManager() == null) 
        {
            System.setSecurityManager(new RMISecurityManager());
        }
        String name = "//192.168.0.48/Compute";
        try 
        {
            //产生一个实例
            Compute engine = new ComputeEngine();
            //绑定这个实例
            Naming.rebind(name, engine);
            System.out.println("ComputeEngine bound");
        } 
        catch (Exception e) 
        {
            System.err.println("ComputeEngine exception: " + e.getMessage());
            e.printStackTrace();
        }
    }
}