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