2 * Copyright (c) 2017-2020. 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.util.Comparator;
21 import org.hedgecode.snooker.api.Round;
24 * Set of Comparators for {@link Round}.
25 * 1. Sorting by Round Number {@link RoundComparator};
26 * 2. Sorting by Event {@link EventComparator};
28 * @author Dmitry Samoshin aka gotty
30 public enum RoundComparators {
32 ROUND ( new RoundComparator() ),
33 EVENT ( new EventComparator() );
35 private Comparator<Round> comparator;
37 RoundComparators(Comparator<Round> comparator) {
38 this.comparator = comparator;
41 public Comparator<Round> comparator() {
45 static class RoundComparator implements Comparator<Round> {
48 public int compare(Round round1, Round round2) {
49 return round1.round() - round2.round();
54 static class EventComparator implements Comparator<Round> {
57 public int compare(Round round1, Round round2) {
58 return round1.eventId() - round2.eventId();