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.runtime.functions.cache; 020 021import java.io.IOException; 022 023import lucee.runtime.PageContext; 024import lucee.runtime.config.ConfigImpl; 025import lucee.runtime.exp.PageException; 026import lucee.runtime.ext.function.Function; 027import lucee.runtime.op.Caster; 028 029/** 030 * 031 */ 032public final class CacheCount implements Function { 033 034 private static final long serialVersionUID = 4192649311671009474L; 035 036 public static double call(PageContext pc) throws PageException { 037 return call(pc,null); 038 039 } 040 041 public static double call(PageContext pc, String cacheName) throws PageException { 042 try { 043 return Util.getCache(pc,cacheName,ConfigImpl.CACHE_DEFAULT_OBJECT).keys().size(); 044 } catch (IOException e) { 045 throw Caster.toPageException(e); 046 } 047 } 048}