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    /**
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            @Override
035            public int compare(Object obj1, Object obj2) {
036                    WorkflowLog workflowLog1 = (WorkflowLog)obj1;
037                    WorkflowLog workflowLog2 = (WorkflowLog)obj2;
038    
039                    Long userId1 = workflowLog1.getUserId();
040                    Long userId2 = workflowLog2.getUserId();
041    
042                    int value = userId1.compareTo(userId2);
043    
044                    if (value == 0) {
045                            Long workflowLogId1 = workflowLog1.getWorkflowLogId();
046                            Long workflowLogId2 = workflowLog2.getWorkflowLogId();
047    
048                            value = workflowLogId1.compareTo(workflowLogId2);
049                    }
050    
051                    if (_ascending) {
052                            return value;
053                    }
054                    else {
055                            return -value;
056                    }
057            }
058    
059            @Override
060            public boolean isAscending() {
061                    return _ascending;
062            }
063    
064            private boolean _ascending;
065    
066    }