2 * Copyright (c) 2017. Developed by Hedgecode.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.hedgecode.snooker.compare;
19 import java.io.Serializable;
20 import java.util.Comparator;
22 import org.hedgecode.snooker.api.Player;
25 * Set of Comparators for {@link Player}.
26 * 1. Sorting by Last Name of Player {@link NameComparator};
27 * 2. Sorting by Age of Player {@link AgeComparator}.
29 * @author Dmitry Samoshin aka gotty
31 public enum PlayerComparators {
33 NAME ( new NameComparator() ),
34 AGE ( new AgeComparator() );
36 private Comparator<Player> comparator;
38 PlayerComparators(Comparator<Player> comparator) {
39 this.comparator = comparator;
42 public Comparator<Player> comparator() {
46 static class NameComparator implements Comparator<Player>, Serializable {
49 public int compare(Player player1, Player player2) {
50 return player1.lastName().compareTo(player2.lastName());
55 static class AgeComparator implements Comparator<Player>, Serializable {
58 public int compare(Player player1, Player player2) {
59 return player1.born().compareTo(player2.born());