1
22
23 package com.liferay.portlet.messageboards.util.comparator;
24
25 import com.liferay.portal.kernel.util.DateUtil;
26 import com.liferay.portal.kernel.util.OrderByComparator;
27 import com.liferay.portlet.messageboards.model.MBMessage;
28
29
35 public class MessageCreateDateComparator extends OrderByComparator {
36
37 public static String ORDER_BY_ASC_1 = "createDate ASC";
38
39 public static String ORDER_BY_DESC_1 = "createDate DESC";
40
41 public static String ORDER_BY_ASC_2 = "MBMessage.createDate ASC";
42
43 public static String ORDER_BY_DESC_2 = "MBMessage.createDate DESC";
44
45 public MessageCreateDateComparator(boolean asc, boolean useTableNames) {
46 _asc = asc;
47 _useTableNames = useTableNames;
48 }
49
50 public int compare(Object obj1, Object obj2) {
51 MBMessage message1 = (MBMessage)obj1;
52 MBMessage message2 = (MBMessage)obj2;
53
54 int value = DateUtil.compareTo(
55 message1.getCreateDate(), message2.getCreateDate());
56
57 if (_asc) {
58 return value;
59 }
60 else {
61 return -value;
62 }
63 }
64
65 public String getOrderBy() {
66 if (_asc) {
67 if (_useTableNames) {
68 return ORDER_BY_ASC_2;
69 }
70 else {
71 return ORDER_BY_ASC_1;
72 }
73 }
74 else {
75 if (_useTableNames) {
76 return ORDER_BY_DESC_2;
77 }
78 else {
79 return ORDER_BY_DESC_1;
80 }
81 }
82 }
83
84 private boolean _asc;
85 private boolean _useTableNames;
86
87 }