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comparison src/main/java/de/mpiwg/web/books/SortBooksByBookYear.java @ 89:85e27da9b18a

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New feature : add book_year and edition_year in Books page
author Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
date Wed, 21 Jun 2017 05:58:54 +0200
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88:f4242db6206b 89:85e27da9b18a
1 package de.mpiwg.web.books;
2
3 import java.util.Comparator;
4
5 import de.mpiwg.gazetteer.db.DBBook;
6
7
8 public class SortBooksByBookYear implements Comparator<DBBook>{
9
10 public int compare(DBBook o1, DBBook o2) {
11
12 if(o1 == null || o2 == null){
13 return o1.getName().compareTo(o2.getName());
14 }
15
16 return o1.getBookYear().compareTo(o2.getBookYear());
17 }
18
19 }