001    /**
002     * Copyright (c) 2000-2013 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            @Override
026            public long getExpirationTime() {
027                    if (isNeverExpires()) {
028                            return 0;
029                    }
030                    else {
031                            return getExpirationDate().getTime() - getCreateDate().getTime();
032                    }
033            }
034    
035            @Override
036            public boolean isExpired() {
037                    if (isNeverExpires()) {
038                            return false;
039                    }
040                    else if (System.currentTimeMillis() > getExpirationDate().getTime()) {
041                            return true;
042                    }
043                    else {
044                            return false;
045                    }
046            }
047    
048            @Override
049            public boolean isNeverExpires() {
050                    if (getExpirationDate() == null) {
051                            return true;
052                    }
053                    else {
054                            return false;
055                    }
056            }
057    
058    }