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.Ranking;
25 * Set of Comparators for {@link Ranking}.
26 * 1. Sorting by Player Position {@link PositionComparator};
27 * 2. Sorting by Player Earned Money {@link SumComparator}.
29 * @author Dmitry Samoshin aka gotty
31 public enum RankingComparators {
33 POSITION ( new PositionComparator() ),
34 SUM ( new SumComparator() );
36 private Comparator<Ranking> comparator;
38 RankingComparators(Comparator<Ranking> comparator) {
39 this.comparator = comparator;
42 public Comparator<Ranking> comparator() {
46 static class PositionComparator implements Comparator<Ranking>, Serializable {
49 public int compare(Ranking ranking1, Ranking ranking2) {
50 return ranking1.position() - ranking2.position();
55 static class SumComparator implements Comparator<Ranking>, Serializable {
58 public int compare(Ranking ranking1, Ranking ranking2) {
59 return ranking1.sum() < ranking2.sum()
60 ? 1 : ranking1.sum() > ranking2.sum()? -1 : 0;