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.Match;
25 * Set of Comparators for {@link Match}.
26 * 1. Sorting by Round and Number of Match {@link RoundNumberComparator};
27 * 2. Sorting by Event {@link EventComparator}.
29 * @author Dmitry Samoshin aka gotty
31 public enum MatchComparators {
33 ROUND_NUMBER ( new RoundNumberComparator() ),
34 EVENT ( new EventComparator() );
36 private Comparator<Match> comparator;
38 MatchComparators(Comparator<Match> comparator) {
39 this.comparator = comparator;
42 public Comparator<Match> comparator() {
46 static class RoundNumberComparator implements Comparator<Match>, Serializable {
49 public int compare(Match match1, Match match2) {
50 return match1.round() == match2.round()
51 ? match1.number() - match2.round()
52 : match2.round() - match1.round();
57 static class EventComparator implements Comparator<Match>, Serializable {
60 public int compare(Match match1, Match match2) {
61 return match1.eventId() - match2.eventId();