001    /*
002      Copyright (C) 2001 Renaud Pawlak
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.util;
019    
020    /**
021     * @author <a href="http://cedric.cnam.fr/~pawlak/index-english.html">Renaud Pawlak</a>
022     */
023    
024    /**
025     * This class can be subclassed to create specific repositories.
026     * 
027     * <p>A repository class should be a singleton (a sole instance
028     * class). Thus, the repository subclasses should define a static
029     * field and a static method 'get' that returns the unique repository
030     * for the class and that creates it if it does not exist. */
031    
032    public class WeakRepository extends Repository {
033    
034        public WeakRepository() {
035            objects = new org.objectweb.jac.util.WeakHashMap();
036            names = new java.util.WeakHashMap();
037        }
038    
039    }