dynamicremotestub.java

《精通RMI：Java与EJB企业级应用开发》书籍的源代码. 本书是讲述RMI技术的经典著作

/*
 * Copyright 1999 by dreamBean Software,
 * All rights reserved.
 */
package smartproxy.proxies;

import java.io.ObjectStreamException;
import java.rmi.MarshalledObject;
import java.rmi.RemoteException;
import java.rmi.server.RemoteStub;
import java.rmi.server.RemoteRef;

import smartproxy.dynamic.Handler;

/**
 *    Generic remote stub for dynamic proxies. The RMI system uses
 *    this during the export process, but when it is sent to the clients
 *    it is replaced with a dynamic proxy that wraps it.
 *
 *   @author Rickard 謆erg ([e-mail])
 */
public class DynamicRemoteStub
   extends RemoteStub
{
   // Constructors --------------------------------------------------
   Class cl;
   
   public DynamicRemoteStub(RemoteRef ref)
   {
      super(ref);
      cl = Handler.getCurrentClass();
   }
   
   // Serializable implementation -----------------------------------
   Object readResolve() throws ObjectStreamException
   {
      if (cl == null) 
         return this;
      else
      {
         Object obj = smartproxy.proxies.DynamicStubHandler.resolve(this, cl);
         cl = null;
         return obj;   
      }
   }
}