package org.kuali.student.lum.common.client.lo;

 import java.util.Comparator;

 import java.util.TreeSet;

 /**

  * @author Igor

  */

 public class LoDisplayInfoSortedSet extends TreeSet<LoDisplayInfoHelper> {

     private static final long serialVersionUID = 1L;

     public LoDisplayInfoSortedSet() {

         super(new Comparator<LoDisplayInfoHelper>() {

             @Override

             public int compare(LoDisplayInfoHelper o1, LoDisplayInfoHelper o2) {

                 LoInfoHelper o1InfoHelper = new LoInfoHelper(o1.getLoInfo());

                 LoInfoHelper o2InfoHelper = new LoInfoHelper(o2.getLoInfo());

                 int seq1 = -1;

                 int seq2 = -1;

                 seq1 = (o1InfoHelper.getSequence() == null) ?

                         0 : Integer.valueOf(o1InfoHelper.getSequence());

                 seq2 = (o2InfoHelper.getSequence() == null) ?

                         0 : Integer.valueOf(o2InfoHelper.getSequence());

                 return Integer.valueOf(seq1).compareTo(Integer.valueOf(seq2));

             }

         });

     }

 }