messageobjectimpl.java

java rmi技术实例

// Copyright MageLang Institute; Version $Id: //depot/main/src/edu/modules/RMI-mml2/magercises/DistributedGarbageCollector/Solution/MessageObjectImpl.java#2 $
import java.io.Serializable;
import java.rmi.server.*;
import java.rmi.*;

public

class MessageObjectImpl

extends UnicastRemoteObject

implements MessageObject, Serializable, Unreferenced
{
   static  int number = 0;
   private int objNumber;

   public MessageObjectImpl() throws RemoteException
   {
      objNumber = number;
      System.out.println( "MessageObject: Class Number is #" + number + " Object Number is #" +  objNumber );
      number = number + 1;
   }

   public int getNumberFromObject()
   {
     return objNumber;
   }

   public int getNumberFromClass()
   {
      return number;
   }

   public void finalize() throws Throwable
   {
      super.finalize();

      System.out.println( "MessageObject: Finalize for object #: " + objNumber );
   }

   public void unreferenced()
   {
      System.out.println( "MessageObject: Unreferenced for object #: " + objNumber );
   }

}