| /* ObjID.java -- |
| Copyright (c) 1996, 1997, 1998, 1999, 2004 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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; |
| |
| public final class ObjID implements Serializable |
| { |
| static final long serialVersionUID = -6386392263968365220L; |
| |
| private static long next = 0x8000000000000000L; |
| private static final Object lock = ObjID.class; |
| |
| public static final int REGISTRY_ID = 0; |
| public static final int ACTIVATOR_ID = 1; |
| public static final int DGC_ID = 2; |
| |
| private long objNum; |
| private UID space; |
| |
| public ObjID() { |
| synchronized (lock) { |
| objNum = next++; |
| } |
| space = new UID(); |
| } |
| |
| public ObjID(int num) { |
| objNum = (long)num; |
| space = new UID((short)0); |
| } |
| |
| public void write(ObjectOutput out) throws IOException { |
| DataOutput dout = (DataOutput)out; |
| dout.writeLong(objNum); |
| space.write(dout); |
| } |
| |
| 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); |
| } |
| |
| public int hashCode() { |
| return ((int)objNum); |
| } |
| |
| public boolean equals(Object obj) { |
| if (obj instanceof ObjID && this.objNum == ((ObjID)obj).objNum) { |
| return (true); |
| } |
| return (false); |
| } |
| |
| public String toString() { |
| return ("[objNum: " + objNum + ", " + space + "]"); |
| } |
| |
| } |