001    /**
002     * Copyright (c) 2000-2011 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    /**
021     * @author Michael C. Han
022     */
023    public abstract class BaseWorkflowLogUserIdComparator
024            extends OrderByComparator {
025    
026            public BaseWorkflowLogUserIdComparator() {
027                    this(false);
028            }
029    
030            public BaseWorkflowLogUserIdComparator(boolean ascending) {
031                    _ascending = ascending;
032            }
033    
034            public int compare(Object obj1, Object obj2) {
035                    WorkflowLog workflowLog1 = (WorkflowLog)obj1;
036                    WorkflowLog workflowLog2 = (WorkflowLog)obj2;
037    
038                    Long userId1 = workflowLog1.getUserId();
039                    Long userId2 = workflowLog2.getUserId();
040    
041                    int value = userId1.compareTo(userId2);
042    
043                    if (value == 0) {
044                            Long workflowLogId1 = workflowLog1.getWorkflowLogId();
045                            Long workflowLogId2 = workflowLog2.getWorkflowLogId();
046    
047                            value = workflowLogId1.compareTo(workflowLogId2);
048                    }
049    
050                    if (_ascending) {
051                            return value;
052                    }
053                    else {
054                            return -value;
055                    }
056            }
057    
058            public boolean isAscending() {
059                    return _ascending;
060            }
061    
062            private boolean _ascending;
063    
064    }