001
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.WorkflowTask;
019
020 import java.util.Date;
021
022
025 public class BaseWorkflowTaskDueDateComparator extends OrderByComparator {
026
027 public static final String ORDER_BY_ASC = "dueDate ASC, workflowTaskId ASC";
028
029 public static final String ORDER_BY_DESC =
030 "dueDate DESC, workflowTaskId DESC";
031
032 public static final String[] ORDER_BY_FIELDS =
033 {"dueDate", "workflowTaskId"};
034
035 public BaseWorkflowTaskDueDateComparator() {
036 this(false);
037 }
038
039 public BaseWorkflowTaskDueDateComparator(boolean ascending) {
040 _ascending = ascending;
041 }
042
043 @Override
044 public int compare(Object obj1, Object obj2) {
045 WorkflowTask workflowTask1 = (WorkflowTask)obj1;
046 WorkflowTask workflowTask2 = (WorkflowTask)obj2;
047
048 Date dueDate1 = workflowTask1.getDueDate();
049 Date dueDate2 = workflowTask2.getDueDate();
050
051 int value = dueDate1.compareTo(dueDate2);
052
053 if (value == 0) {
054 Long workflowTaskId1 = workflowTask1.getWorkflowTaskId();
055 Long workflowTaskId2 = workflowTask2.getWorkflowTaskId();
056
057 value = workflowTaskId1.compareTo(workflowTaskId2);
058 }
059
060 if (_ascending) {
061 return value;
062 }
063 else {
064 return -value;
065 }
066 }
067
068 @Override
069 public String getOrderBy() {
070 if (_ascending) {
071 return ORDER_BY_ASC;
072 }
073 else {
074 return ORDER_BY_DESC;
075 }
076 }
077
078 @Override
079 public String[] getOrderByFields() {
080 return ORDER_BY_FIELDS;
081 }
082
083 @Override
084 public boolean isAscending() {
085 return _ascending;
086 }
087
088 private boolean _ascending;
089
090 }