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 **/
019
020package lucee.runtime.functions.other;
021
022
023import lucee.runtime.PageContext;
024import lucee.runtime.ext.function.Function;
025
026public final class CreateUniqueId implements Function {
027        
028        private static long counter=0;
029        
030        
031        /**
032     * method to invoke the function
033         * @param pc
034         * @return UUID String
035         */
036        public static String call(PageContext pc ) {
037                return invoke();
038        }
039        public static synchronized String invoke() {
040                counter++;
041                if(counter<0) counter=1;
042                return Long.toString(counter, Character.MAX_RADIX);
043        }
044}