001 /* 002 Copyright (C) 2001-2003 Laurent Martelli <laurent@aopsys.com> 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ 017 018 package org.objectweb.jac.aspects.persistence; 019 020 /** 021 * An implementation of OID with a long 022 * 023 */ 024 025 public class LongOID extends OID { 026 private long oid = 0; 027 public LongOID(Storage storage, long oid) { 028 super(storage); 029 this.oid = oid; 030 } 031 public long getOID() { 032 return oid; 033 } 034 public String localId() { 035 return ""+oid; 036 } 037 038 public boolean equals(Object obj) { 039 return (obj instanceof LongOID) 040 && (oid == ((LongOID)obj).getOID()) 041 && (storage == ((OID)obj).storage); 042 } 043 public String toString() { 044 return Long.toString(oid)+"@"+storage.getId(); 045 } 046 public int hashCode() { 047 return (int)(oid ^ (oid >>> 32)); 048 } 049 }