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