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    }