Mercurial > hg > LGServices
annotate 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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85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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1 package de.mpiwg.web.books; |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
|
2 |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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3 import java.util.Comparator; |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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4 |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
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5 import de.mpiwg.gazetteer.db.DBBook; |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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6 |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
|
7 |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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8 public class SortBooksByBookYear implements Comparator<DBBook>{ |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
|
9 |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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10 public int compare(DBBook o1, DBBook o2) { |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
|
11 |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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12 if(o1 == null || o2 == null){ |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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13 return o1.getName().compareTo(o2.getName()); |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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14 } |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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15 |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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16 return o1.getBookYear().compareTo(o2.getBookYear()); |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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17 } |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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18 |
85e27da9b18a
New feature : add book_year and edition_year in Books page
Calvin Yeh <cyeh@mpipw-berlin.mpg.com>
parents:
diff
changeset
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19 } |