1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir package com.sun.star.lib.util; 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir /** 31*cdf0e10cSrcweir * Optional interface to be implemented by objects stored in a 32*cdf0e10cSrcweir * <code>WeakMap</code>. 33*cdf0e10cSrcweir * 34*cdf0e10cSrcweir * @see WeakMap 35*cdf0e10cSrcweir */ 36*cdf0e10cSrcweir public interface DisposeNotifier { 37*cdf0e10cSrcweir /** 38*cdf0e10cSrcweir * Adds a dispose listener, to be notified when this object is disposed. 39*cdf0e10cSrcweir * 40*cdf0e10cSrcweir * <p>It is unspecified what happens when the same listener is added 41*cdf0e10cSrcweir * multiple times.</p> 42*cdf0e10cSrcweir * 43*cdf0e10cSrcweir * <p>It is unspecified exactly when the <code>notifyDispose</code> callback 44*cdf0e10cSrcweir * is fired: immediately before the notifier is disposed, while it is in the 45*cdf0e10cSrcweir * process of disposing, or some time after it got disposed. But even if 46*cdf0e10cSrcweir * adding a listener to an already disposed notifer, the listener must 47*cdf0e10cSrcweir * eventually receive a <code>notifyDispose</code> callback.</p> 48*cdf0e10cSrcweir * 49*cdf0e10cSrcweir * @param listener a dispose listener, to be notified when this object is 50*cdf0e10cSrcweir * disposed; must not be <code>null</code> 51*cdf0e10cSrcweir */ 52*cdf0e10cSrcweir void addDisposeListener(DisposeListener listener); 53*cdf0e10cSrcweir } 54