001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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    }