/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package edu.slcc.asdv.caleb.javafxballswithcomparator;

import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

/**
 *
 * @author caleb
 */
public class A4<E extends Comparable<E>> {

    E x;

    public A4() {}
    public A4(E x) {this.x = x;}

    public static Comparator<A4> comparator() {
        Comparator<A4> c = new Comparator<A4>() {
            @Override
            public int compare(A4 o1, A4 o2) {
                return o1.x.compareTo(o2.x);
            }
        };
        return c;
    }
        public static Comparator<A4> comparatorReverse() {
        Comparator<A4> c = new Comparator<A4>() {
            @Override
            public int compare(A4 o1, A4 o2) {
                switch (o1.x.compareTo(o2.x)) {
                    case -1:
                        return 1;
                    case 0:
                        return 0;
                    case 1:
                        return -1;
                }
                return -112315234;
            }
        };
        return c;
    }

    @Override
    public String toString() {
        return "A4{" + "x=" + x + '}';
    }

    public static void main(String[] args) {
        System.out.println("Sorting in ascending order");
        List<A4> list1 = Arrays.asList(
                new A4(new Integer(4)),
                new A4(new Integer(1)),
                new A4(new Integer(2))
        );
        Collections.sort(list1, A4.comparator());
        List<A4> list2 = Arrays.asList(
                new A4(new String("once")),
                new A4(new String("upon")),
                new A4(new String("a")),
                new A4(new String("time")),
                new A4(new String("in")),
                new A4(new String("America"))
        );
        Collections.sort(list2, A4.comparator());
        System.out.println(list1);
        System.out.println(list2);
        System.out.println("Now, in descending order:");
        Collections.sort(list2, A4.comparatorReverse());
        System.out.println(list2);
        
    }

}