countclient.java

分布式计算——CORBA客户服务器编程

import Counter.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;

public class CountClient {
    public CountClient() {
    }
    static Count countImpl;
    public static void main(String args[])
    {
        try{
            ORB orb=ORB.init(args,null);
            org.omg.CORBA.Object objRef=orb.resolve_initial_references("NameService");
            NamingContextExt ncRef=NamingContextExtHelper.narrow(objRef);
            String name="Count";
            countImpl=CountHelper.narrow(ncRef.resolve_str(name));
            
            System.out.println("setting sum to 0......");
                        countImpl.sum((int)0);

                        //Calculate start time
                        long startTime = System.currentTimeMillis();

                        //increment 1000 times
                        System.out.println("incrementing......");
                        for(int i=0;i<1000;i++)
                        {countImpl.increment();
}
//calculate stop time;print out statistics
long stopTime = System.currentTimeMillis();
System.out.println("Avg ping ="
                                        +((stopTime-startTime)/1000f) + "msecs");
System.out.println("sum ="+countImpl.sum());

            
        }
        catch(Exception e)
        {
            System.out.println("ERROR:"+e);
            e.printStackTrace(System.out);
            
        }
    }
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
}