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.util.comparator;
016    
017    import com.liferay.portal.kernel.util.OrderByComparator;
018    import com.liferay.portal.model.LayoutRevision;
019    
020    /**
021     * @author Raymond Aug??
022     */
023    public class LayoutRevisionIdComparator
024            extends OrderByComparator<LayoutRevision> {
025    
026            public static final String ORDER_BY_ASC =
027                    "LayoutRevision.layoutRevisionId ASC";
028    
029            public static final String ORDER_BY_DESC =
030                    "LayoutRevision.layoutRevisionId DESC";
031    
032            public static final String[] ORDER_BY_FIELDS = {"layoutRevisionId"};
033    
034            public LayoutRevisionIdComparator() {
035                    this(false);
036            }
037    
038            public LayoutRevisionIdComparator(boolean ascending) {
039                    _ascending = ascending;
040            }
041    
042            @Override
043            public int compare(
044                    LayoutRevision layoutRevision1, LayoutRevision layoutRevision2) {
045    
046                    int value = 0;
047    
048                    if (layoutRevision1.getLayoutRevisionId() >
049                                    layoutRevision2.getLayoutRevisionId()) {
050    
051                            value = 1;
052                    }
053                    else if (layoutRevision1.getLayoutRevisionId() <
054                                            layoutRevision2.getLayoutRevisionId()) {
055    
056                            value = -1;
057                    }
058    
059                    if (_ascending) {
060                            return value;
061                    }
062                    else {
063                            return -value;
064                    }
065            }
066    
067            @Override
068            public String getOrderBy() {
069                    if (_ascending) {
070                            return ORDER_BY_ASC;
071                    }
072                    else {
073                            return ORDER_BY_DESC;
074                    }
075            }
076    
077            @Override
078            public String[] getOrderByFields() {
079                    return ORDER_BY_FIELDS;
080            }
081    
082            @Override
083            public boolean isAscending() {
084                    return _ascending;
085            }
086    
087            private final boolean _ascending;
088    
089    }