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.collection;
020
021import java.util.LinkedHashMap;
022
023public class LinkedHashMapMaxSize<K, V> extends LinkedHashMap<K, V> {
024        
025        private int maxSize;
026
027        public LinkedHashMapMaxSize(int maxSize, int initCapacity, boolean accessOrder) {
028                super( initCapacity, 0.75f, accessOrder );
029                this.maxSize=maxSize;
030        }
031
032        public LinkedHashMapMaxSize(int maxSize) {
033                this( maxSize, (int)Math.ceil( maxSize / 0.75f ), false );
034        }
035
036        @Override
037        protected boolean removeEldestEntry(java.util.Map.Entry<K, V> eldest) {
038                return size() > maxSize;
039        }
040}