SortingStrategyFirstName.java

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package mytime.bll;

import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import javafx.scene.Node;
import mytime.be.Volunteer;

/**
 *
 * @author Stefan-VpcEB3J1E
 */
public class SortingStrategyFirstName implements SortingStrategy
{

    /**
     * Sorting method for First name.
     *
     * @param listToSort
     * @return
     */
    @Override
    public List<Node> sort(List<Node> listToSort)
    {
        List<Node> newList = listToSort;
        Collections.sort(newList, new Comparator<Node>()
        {
            @Override
            public int compare(Node s1, Node s2)
            {
                Volunteer v1 = (Volunteer) s1.getUserData();
                Volunteer v2 = (Volunteer) s2.getUserData();
                return v1.getFirstName().get().compareTo(v2.getFirstName().get());

            }
        });
        return newList;
    }

}