component_server.java

本系统是基于CORBA实现的选课系统,具有一般选课系统的基本功能(查看学生基本信息,选课退课,查看成绩等),本系统主要是推荐给对刚进行CORBA学习的初学者来说有很大的重要性

import choose.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;
import java.net.*;

public class Component_Server
{
	public static void main(String[] args)
	{
		try
		{
			//创建和初始化ORB
			String   defaultargs[]={"-ORBInitialPort","900","-ORBInitialHost","192.168.108.73"}; 
			//String   defaultargs[]={"-ORBInitialPort","2089","-ORBInitialHost","192.168.0.164",};
			
			ORB orb = ORB.init(defaultargs,null);
			// 创建服务对象并将其向 ORB 注册
			XuanObject showRef = new XuanObject();
			orb.connect(showRef);
			// 获取根命名上下文
			org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
			NamingContext ncRef = NamingContextHelper.narrow(objRef);
			// 绑定命名中的对象引用
			NameComponent nc = new NameComponent("choose","Object");
			NameComponent path[] = {nc};
			ncRef.rebind(path,showRef);
			// 等待来自客户机的调用
			java.lang.Object sync = new java.lang.Object();
			synchronized (sync) 
			{
				sync.wait();
			}
		} catch (Exception e) 
		{
			System.err.println("ERROR: " + e);
			e.printStackTrace(System.out);
			System.out.println("***********Failed************");
		}
	}
}