backport: MarshalledObject.java (equals): Check hashcode first.

Merge Orp RMI patches from Wu Gansha <gansha.wu@intel.com>
	* java/rmi/MarshalledObject.java (equals): Check hashcode first.

	* java/rmi/server/RMIClassLoader.java (MyClassLoader): Create/Use
	annotation.
	(loadClass): Take String as codebases.
	(getClassAnnotation): Use MyClassLoader annotations.
	* java/rmi/server/UnicastRemoteObject.java (UnicastRemoteObject):
	call exportObject(this).

	* gnu/java/rmi/RMIMarshalledObjectOutputStream.java
	(RMIMarshalledObjectOutputStream): set locBytesStream and locStream.
	(setAnnotation): Don't set locBytesStream and locStream.
	(replaceObject): Removed.
	(flush): Don't test locStream.
	(getLocBytes): LikeWise.
	* gnu/java/rmi/dgc/DGCImpl.java: extends UnicastServerRef.
	(leaseCache): New field.
	(dirty): Use leaseCache.
	(LeaseRecord): New inner class.
	* gnu/java/rmi/registry/RegistryImpl.java (RegistryImpl): Don't
	explicitly call exportObject().
	* gnu/java/rmi/registry/RegistryImpl_Stub.java: set useNewInvoke to
	false to communicate with Sun JDK130.
	* gnu/java/rmi/server/ConnectionRunnerPool.java: Add CPU comment.
	* gnu/java/rmi/server/RMIObjectInputStream.java
	(UnicastConnectionManager): Removed field.
	* gnu/java/rmi/server/RMIObjectOutputStream.java (replaceObject):
	Use UnicastServer.getExportedRef().
	* gnu/java/rmi/server/UnicastConnection.java (reviveTime): New field.
	(expireTime): Likewise.
	(CONNECTION_TIMEOUT): Likewise.
	(disconnect): Call sock.close().
	(isExpired): New method.
	(resetTime): Likewise.
	(run): Use do while loop and catch Exception for discardConnection().
	* gnu/java/rmi/server/UnicastConnectionManager.java: Pool connections.
	* gnu/java/rmi/server/UnicastRef.java: Lots of changes.
	* gnu/java/rmi/server/UnicastRemoteCall.java: Lots of changes.
	* gnu/java/rmi/server/UnicastServer.java (refcache): New field.
	(exportObject): Use refcache.
	(unexportObject): Likewise.
	(getExportedRef): New method.
	* gnu/java/rmi/server/UnicastServerRef.java (UnicastServerRef): New
	constructor.
	(exportObject): Save manager.serverobj.
	(getStub): New method.

From-SVN: r58900

libjava/gnu/java/rmi/server/UnicastServer.java

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+  Copyright (c) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -45,6 +45,7 @@ import java.io.IOException;
 import java.net.InetAddress;
 import java.util.Hashtable;
 import java.net.UnknownHostException;
+import java.rmi.Remote;
 import java.rmi.server.ObjID;
 import java.rmi.server.UnicastRemoteObject;
 import java.rmi.server.UID;
@@ -56,27 +57,36 @@ import gnu.java.rmi.dgc.DGCImpl;
 public class UnicastServer
 	implements ProtocolConstants {
 
-static private Hashtable objects = new Hashtable();
+static private Hashtable objects = new Hashtable();  //mapping OBJID to server ref
+static private Hashtable refcache = new Hashtable(); //mapping obj itself to server ref
 static private DGCImpl dgc;
 
 public static void exportObject(UnicastServerRef obj) {
 	startDGC();
 	objects.put(obj.objid, obj);
+	refcache.put(obj.myself, obj);
 	obj.manager.startServer();
 }
 
 // FIX ME: I haven't handle force parameter
 public static boolean unexportObject(UnicastServerRef obj, boolean force) {
 	objects.remove(obj.objid);
+	refcache.remove(obj.myself);
 	obj.manager.stopServer();
 	return true;
 }
 
+public static UnicastServerRef getExportedRef(Remote remote){
+    return (UnicastServerRef)refcache.get(remote);
+}
+
 private static synchronized void startDGC() {
 	if (dgc == null) {
 		try {
 			dgc = new DGCImpl();
-			((UnicastServerRef)dgc.getRef()).exportObject(dgc);
+			// Changed DGCImpl to inherit UnicastServerRef directly
+			//((UnicastServerRef)dgc.getRef()).exportObject(dgc);
+			dgc.exportObject(dgc);
 		}
 		catch (RemoteException e) {
 			e.printStackTrace();