001 /* 002 * Copyright (C) 2008-2010 by Holger Arndt 003 * 004 * This file is part of the Universal Java Matrix Package (UJMP). 005 * See the NOTICE file distributed with this work for additional 006 * information regarding copyright ownership and licensing. 007 * 008 * UJMP is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation; either version 2 011 * of the License, or (at your option) any later version. 012 * 013 * UJMP is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public 019 * License along with UJMP; if not, write to the 020 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 021 * Boston, MA 02110-1301 USA 022 */ 023 024 package org.ujmp.core.collections; 025 026 import java.util.Iterator; 027 import java.util.Map; 028 029 public class SoftHashMapList<K, V> extends SoftHashMap<K, V> { 030 private static final long serialVersionUID = 6061017330977330118L; 031 032 public SoftHashMapList() { 033 super(); 034 } 035 036 public SoftHashMapList(Map<? extends K, ? extends V> m) { 037 super(m); 038 } 039 040 public synchronized V put(K key, V value) { 041 return super.put(key, value); 042 } 043 044 public synchronized int indexOf(V value) { 045 Iterator<V> it = values().iterator(); 046 for (int i = 0; it.hasNext(); i++) { 047 if (it.next().equals(value)) { 048 return i; 049 } 050 } 051 return -1; 052 } 053 054 public synchronized V get(int index) { 055 Iterator<V> it = values().iterator(); 056 for (int i = 0; it.hasNext() && i < index; i++) { 057 it.next(); 058 } 059 return it.hasNext() ? it.next() : null; 060 } 061 062 public synchronized V remove(Object key) { 063 return super.remove(key); 064 } 065 066 }