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.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            @Override
037            public int compare(Object obj1, Object obj2) {
038                    WorkflowLog workflowLog1 = (WorkflowLog)obj1;
039                    WorkflowLog workflowLog2 = (WorkflowLog)obj2;
040    
041                    Date createDate1 = workflowLog1.getCreateDate();
042                    Date createDate2 = workflowLog2.getCreateDate();
043    
044                    int value = createDate1.compareTo(createDate2);
045    
046                    if (value != 0) {
047                            Long workflowLogId1 = workflowLog1.getWorkflowLogId();
048                            Long workflowLogId2 = workflowLog2.getWorkflowLogId();
049    
050                            value = workflowLogId1.compareTo(workflowLogId2);
051                    }
052    
053                    if (_ascending) {
054                            return value;
055                    }
056                    else {
057                            return -value;
058                    }
059            }
060    
061            @Override
062            public boolean isAscending() {
063                    return _ascending;
064            }
065    
066            private boolean _ascending;
067    
068    }