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diff --git a/libjava/classpath/java/rmi/server/ObjID.java b/libjava/classpath/java/rmi/server/ObjID.java
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-/* ObjID.java -- Unique object id with respect to the given host.
- Copyright (c) 1996, 1997, 1998, 1999, 2004, 2006
- Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.rmi.server;
-
-import java.io.DataInput;
-import java.io.DataOutput;
-import java.io.IOException;
-import java.io.ObjectInput;
-import java.io.ObjectOutput;
-import java.io.Serializable;
-
-/**
- * Represents the object identifier, unique for the host that generated it.
- * The ObjID contains inside the integer object identifier that, if needed,
- * may indicated that this is a reference to one of the well known objects
- * on that host (registry, activator or dgc) and the {@link UID} that
- * ensures uniqueness.
- */
-public final class ObjID
- implements Serializable
-{
-
- /**
- * Use serial version uid for interoperability.
- */
- static final long serialVersionUID = - 6386392263968365220L;
-
- /**
- * The object counter, which value is assigned when creating the ordinary
- * objects without the known object id. The counter is incremented each time
- * the new ObjID is constructed.
- */
- private static long next = 0x8000000000000000L;
-
- /**
- * The object to put the lock on when incrementing {@link #next}
- */
- private static final Object lock = ObjID.class;
-
- /**
- * Defines the ID of the naming service.
- */
- public static final int REGISTRY_ID = 0;
-
- /**
- * Defines the ID of the activator.
- */
- public static final int ACTIVATOR_ID = 1;
-
- /**
- * Defines the ID of the distributed garbage collector.
- */
- public static final int DGC_ID = 2;
-
- /**
- * The object Id (either well-known value or the value of the incrementing
- * object counter.
- */
- long objNum;
-
- /**
- * The object unique identifier, generated individually for each object.
- */
- UID space;
-
- /**
- * Create the new object id, unique for this host.
- */
- public ObjID()
- {
- synchronized (lock)
- {
- objNum = next++;
- }
- space = new UID();
- }
-
- /**
- * Create the new object id defining the well known remotely accessible
- * object, present in this host. The well - known objects are:
- * <ul>
- * <li>{@link #REGISTRY_ID} - RMI naming service.</li>
- * <li>{@link #ACTIVATOR_ID} - activator</li>
- * <li>{@link #DGC_ID} - distributed garbage collector (grants lease
- * durations to keep the object before it is garbage collected.</li>
- * </ul>
- *
- * @param id the well known object id, one of the above.
- */
- public ObjID(int id)
- {
- objNum = (long) id;
- space = new UID((short) 0);
- }
-
- /**
- * Write object id as long, then the object {@link UID}.
- */
- public void write(ObjectOutput out) throws IOException
- {
- DataOutput dout = (DataOutput) out;
- dout.writeLong(objNum);
- space.write(dout);
- }
-
- /**
- * Read object id (as long), then the object {@link UID}.
- */
- public static ObjID read(ObjectInput in) throws IOException
- {
- DataInput din = (DataInput) in;
- ObjID id = new ObjID();
- id.objNum = din.readLong();
- id.space = UID.read(din);
- return (id);
- }
-
- /**
- * Get the hashcode.
- */
- public int hashCode()
- {
- return space == null ? (int) objNum : space.hashCode() ^ (int) objNum;
- }
-
- /**
- * Compare for equality.
- */
- public boolean equals(Object obj)
- {
- if (obj instanceof ObjID)
- {
- ObjID that = (ObjID) obj;
- return that.objNum == objNum && eq(that.space, space);
- }
- else
- return false;
- }
-
- /**
- * Compare by .equals if both a and b are not null, compare directly if at
- * least one of them is null.
- */
- static final boolean eq(Object a, Object b)
- {
- if (a == null || b == null)
- return a == b;
- else
- return a.equals(b);
- }
-
- /**
- * Get the string representation.
- */
- public String toString()
- {
- return (objNum + ":" + space);
- }
-
-}