001/*
002 *                    BioJava development code
003 *
004 * This code may be freely distributed and modified under the
005 * terms of the GNU Lesser General Public Licence.  This should
006 * be distributed with the code.  If you do not have a copy,
007 * see:
008 *
009 *      http://www.gnu.org/copyleft/lesser.html
010 *
011 * Copyright for this code is held jointly by the individual
012 * authors.  These should be listed in @author doc comments.
013 *
014 * For more information on the BioJava project and its aims,
015 * or to join the biojava-l mailing list, visit the home page
016 * at:
017 *
018 *      http://www.biojava.org/
019 *
020 */
021
022package org.biojava.utils.cache;
023
024/**
025 * Interface for a reference to an object, analogous to
026 * <code>java.lang.ref.Referencce</code>, but more flexible.
027 * CacheReference implementations are always obtained by calling
028 * <code>makeReference</code> on a <code>Cache</code> object.
029 *
030 * @author Thomas Down
031 * @since 1.1
032 */
033
034public interface CacheReference {
035    public Object get();
036    public void clear();
037}
038