001    /**
002     * Copyright (c) 2000-2012 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.portal.model.impl;
016    
017    /**
018     * @author Brian Wing Shun Chan
019     */
020    public class LockImpl extends LockBaseImpl {
021    
022            public LockImpl() {
023            }
024    
025            public long getExpirationTime() {
026                    if (isNeverExpires()) {
027                            return 0;
028                    }
029                    else {
030                            return getExpirationDate().getTime() - getCreateDate().getTime();
031                    }
032            }
033    
034            public boolean isExpired() {
035                    if (isNeverExpires()) {
036                            return false;
037                    }
038                    else if (System.currentTimeMillis() > getExpirationDate().getTime()) {
039                            return true;
040                    }
041                    else {
042                            return false;
043                    }
044            }
045    
046            public boolean isNeverExpires() {
047                    if (getExpirationDate() == null) {
048                            return true;
049                    }
050                    else {
051                            return false;
052                    }
053            }
054    
055    }