001    /**
002     * Copyright (c) 2000-2010 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.kernel.workflow.comparator;
016    
017    import com.liferay.portal.kernel.util.OrderByComparator;
018    import com.liferay.portal.kernel.workflow.WorkflowLog;
019    
020    import java.util.Date;
021    
022    /**
023     * @author Michael C. Han
024     */
025    public abstract class BaseWorkflowLogCreateDateComparator
026            extends OrderByComparator {
027    
028            public BaseWorkflowLogCreateDateComparator() {
029                    this(false);
030            }
031    
032            public BaseWorkflowLogCreateDateComparator(boolean ascending) {
033                    _ascending = ascending;
034            }
035    
036            public int compare(Object obj1, Object obj2) {
037                    WorkflowLog workflowLog1 = (WorkflowLog)obj1;
038                    WorkflowLog workflowLog2 = (WorkflowLog)obj2;
039    
040                    Date createDate1 = workflowLog1.getCreateDate();
041                    Date createDate2 = workflowLog2.getCreateDate();
042    
043                    int value = createDate1.compareTo(createDate2);
044    
045                    if (value != 0) {
046                            Long workflowLogId1 = workflowLog1.getWorkflowLogId();
047                            Long workflowLogId2 = workflowLog2.getWorkflowLogId();
048    
049                            value = workflowLogId1.compareTo(workflowLogId2);
050                    }
051    
052                    if (_ascending) {
053                            return value;
054                    }
055                    else {
056                            return -value;
057                    }
058            }
059    
060            public boolean isAscending() {
061                    return _ascending;
062            }
063    
064            private boolean _ascending;
065    
066    }