001
014
015 package com.liferay.portlet.journal.util.comparator;
016
017 import com.liferay.portal.kernel.util.DateUtil;
018 import com.liferay.portal.kernel.util.OrderByComparator;
019 import com.liferay.portlet.journal.model.JournalArticle;
020
021
024 public class ArticleReviewDateComparator extends OrderByComparator {
025
026 public static final String ORDER_BY_ASC =
027 "JournalArticle.reviewDate ASC, JournalArticle.version ASC";
028
029 public static final String ORDER_BY_DESC =
030 "JournalArticle.reviewDate DESC, JournalArticle.version DESC";
031
032 public static final String[] ORDER_BY_FIELDS = {"reviewDate", "version"};
033
034 public ArticleReviewDateComparator() {
035 this(false);
036 }
037
038 public ArticleReviewDateComparator(boolean ascending) {
039 _ascending = ascending;
040 }
041
042 @Override
043 public int compare(Object obj1, Object obj2) {
044 JournalArticle article1 = (JournalArticle)obj1;
045 JournalArticle article2 = (JournalArticle)obj2;
046
047 int value = DateUtil.compareTo(
048 article1.getReviewDate(), article2.getReviewDate());
049
050 if (value == 0) {
051 if (article1.getVersion() < article2.getVersion()) {
052 value = -1;
053 }
054 else if (article1.getVersion() > article2.getVersion()) {
055 value = 1;
056 }
057 }
058
059 if (_ascending) {
060 return value;
061 }
062 else {
063 return -value;
064 }
065 }
066
067 @Override
068 public String getOrderBy() {
069 if (_ascending) {
070 return ORDER_BY_ASC;
071 }
072 else {
073 return ORDER_BY_DESC;
074 }
075 }
076
077 @Override
078 public String[] getOrderByFields() {
079 return ORDER_BY_FIELDS;
080 }
081
082 @Override
083 public boolean isAscending() {
084 return _ascending;
085 }
086
087 private boolean _ascending;
088
089 }