001 /** 002 * Copyright (c) 2000-present Liferay, Inc. All rights reserved. 003 * 004 * This library is free software; you can redistribute it and/or modify it under 005 * the terms of the GNU Lesser General Public License as published by the Free 006 * Software Foundation; either version 2.1 of the License, or (at your option) 007 * any later version. 008 * 009 * This library is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 011 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 012 * details. 013 */ 014 015 package com.liferay.util; 016 017 import java.util.Stack; 018 019 /** 020 * @author Brian Wing Shun Chan 021 * @deprecated As of 7.0.0, replaced by 022 * {com.liferay.petra.collection.stack.FiniteStack} 023 */ 024 @Deprecated 025 public class FiniteStack<E> extends Stack<E> { 026 027 public FiniteStack(int maxSize) { 028 _maxSize = maxSize; 029 } 030 031 @Override 032 public E push(E item) { 033 super.push(item); 034 035 int size = size(); 036 037 if (size > _maxSize) { 038 removeElementAt(size - 1); 039 } 040 041 return item; 042 } 043 044 private final int _maxSize; 045 046 }