Coverage Summary for Class: IssueComparator (org.kitodo.production.model.bibliography.course.metadata)

 /*
  * (c) Kitodo. Key to digital objects e. V. <contact@kitodo.org>
  *
  * This file is part of the Kitodo project.
  *
  * It is licensed under GNU General Public License version 3 or later.
  *
  * For the full copyright and license information, please read the
  * GPL3-License.txt file that was distributed with this source code.
  */
 
 package org.kitodo.production.model.bibliography.course.metadata;
 
 import java.time.LocalDate;
 import java.util.Comparator;
 
 import org.apache.commons.lang3.tuple.Pair;
 import org.kitodo.production.model.bibliography.course.Block;
 import org.kitodo.production.model.bibliography.course.Issue;
 
 /**
  * Defines a sort order on the issues.
  */
 public class IssueComparator implements Comparator<Pair<LocalDate, Issue>> {
 
     /**
      * Block on which the order of issues is defined.
      */
     private Block block;
 
     /**
      * Creates an issue comparator.
      *
      * @param block
      *            block on which the order of issues is defined.
      */
     public IssueComparator(Block block) {
         this.block = block;
     }
 
     /**
      * Defines a sort order on the issues.
      *
      * @param comparee
      *            first issue
      * @param compared
      *            second issue
      * @return &lt;0, if the first issue comes before the second one; 0, if the
      *         two issues are equal; &gt;0 if the second issue comes before the
      *         first.
      */
     @Override
     public int compare(Pair<LocalDate, Issue> comparee, Pair<LocalDate, Issue> compared) {
         if (compared == null) {
             return Integer.MIN_VALUE;
         }
         int localDateCompares = comparee.getLeft().compareTo(compared.getLeft());
         if (localDateCompares != 0) {
             return localDateCompares;
         }
         if (comparee.getRight().equals(compared.getRight())) {
             return 0;
         }
         return block.getIssueIndex(comparee.getRight()) - block.getIssueIndex(compared.getRight());
     }
 }