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.membership.requests.kernel.util.comparator;
016    
017    import com.liferay.portal.kernel.model.MembershipRequest;
018    import com.liferay.portal.kernel.util.DateUtil;
019    import com.liferay.portal.kernel.util.OrderByComparator;
020    
021    /**
022     * @author Eudaldo Alonso
023     */
024    public class MembershipRequestCreateDateComparator
025            extends OrderByComparator<MembershipRequest> {
026    
027            public static final String ORDER_BY_ASC =
028                    "MembershipRequest.createDate ASC";
029    
030            public static final String ORDER_BY_DESC =
031                    "MembershipRequest.createDate DESC";
032    
033            public static final String[] ORDER_BY_FIELDS = {"createDate"};
034    
035            public MembershipRequestCreateDateComparator(boolean ascending) {
036                    _ascending = ascending;
037            }
038    
039            @Override
040            public int compare(
041                    MembershipRequest membershipRequest1,
042                    MembershipRequest membershipRequest2) {
043    
044                    int value = DateUtil.compareTo(
045                            membershipRequest1.getCreateDate(),
046                            membershipRequest2.getCreateDate());
047    
048                    if (_ascending) {
049                            return value;
050                    }
051                    else {
052                            return -value;
053                    }
054            }
055    
056            @Override
057            public String getOrderBy() {
058                    if (_ascending) {
059                            return ORDER_BY_ASC;
060                    }
061                    else {
062                            return ORDER_BY_DESC;
063                    }
064            }
065    
066            @Override
067            public String[] getOrderByFields() {
068                    return ORDER_BY_FIELDS;
069            }
070    
071            @Override
072            public boolean isAscending() {
073                    return _ascending;
074            }
075    
076            private final boolean _ascending;
077    
078    }