001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.commons.io.cache; 020 021/** 022 * A optional interface a Cache can implement. You can register CacheEventListener to a Cache, this CacheEventListener are invoked when a cerain event occur. 023 */ 024public interface CacheEvent { 025 026 /** 027 * allows to register a CacheEventListener for one or more certain events 028 * @param event 029 */ 030 public void register(CacheEventListener listener); 031}