Mercurial > hg > LGServices
diff src/main/java/de/mpiwg/web/books/SortBooksByBookYear.java @ 89:85e27da9b18a
New feature : add book_year and edition_year in Books page
author | Calvin Yeh <cyeh@mpipw-berlin.mpg.com> |
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date | Wed, 21 Jun 2017 05:58:54 +0200 |
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children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/java/de/mpiwg/web/books/SortBooksByBookYear.java Wed Jun 21 05:58:54 2017 +0200 @@ -0,0 +1,19 @@ +package de.mpiwg.web.books; + +import java.util.Comparator; + +import de.mpiwg.gazetteer.db.DBBook; + + +public class SortBooksByBookYear implements Comparator<DBBook>{ + + public int compare(DBBook o1, DBBook o2) { + + if(o1 == null || o2 == null){ + return o1.getName().compareTo(o2.getName()); + } + + return o1.getBookYear().compareTo(o2.getBookYear()); + } + +}