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OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains the examples which demonstrate how to use it in a normal Java application.

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/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.optaplanner.examples.travelingtournament.domain;

import java.util.Iterator;
import java.util.List;

import com.thoughtworks.xstream.annotations.XStreamAlias;
import com.thoughtworks.xstream.annotations.XStreamConverter;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.optaplanner.core.api.domain.solution.PlanningEntityCollectionProperty;
import org.optaplanner.core.api.domain.solution.PlanningScore;
import org.optaplanner.core.api.domain.solution.PlanningSolution;
import org.optaplanner.core.api.domain.solution.drools.ProblemFactCollectionProperty;
import org.optaplanner.core.api.domain.valuerange.ValueRangeProvider;
import org.optaplanner.core.api.score.buildin.hardsoft.HardSoftScore;
import org.optaplanner.examples.common.domain.AbstractPersistable;
import org.optaplanner.persistence.xstream.api.score.buildin.hardsoft.HardSoftScoreXStreamConverter;

@PlanningSolution
@XStreamAlias("TravelingTournament")
public class TravelingTournament extends AbstractPersistable {

    private List dayList;
    private List teamList;

    private List matchList;

    @XStreamConverter(HardSoftScoreXStreamConverter.class)
    private HardSoftScore score;

    @ValueRangeProvider(id = "dayRange")
    @ProblemFactCollectionProperty
    public List getDayList() {
        return dayList;
    }

    public void setDayList(List dayList) {
        this.dayList = dayList;
    }

    @ProblemFactCollectionProperty
    public List getTeamList() {
        return teamList;
    }

    public void setTeamList(List teamList) {
        this.teamList = teamList;
    }

    @PlanningEntityCollectionProperty
    public List getMatchList() {
        return matchList;
    }

    public void setMatchList(List matchSets) {
        this.matchList = matchSets;
    }

    @PlanningScore
    public HardSoftScore getScore() {
        return score;
    }

    public void setScore(HardSoftScore score) {
        this.score = score;
    }

    // ************************************************************************
    // Complex methods
    // ************************************************************************

    public int getN() {
        return teamList.size();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (id == null || !(o instanceof TravelingTournament)) {
            return false;
        } else {
            TravelingTournament other = (TravelingTournament) o;
            if (matchList.size() != other.matchList.size()) {
                return false;
            }
            for (Iterator it = matchList.iterator(), otherIt = other.matchList.iterator(); it.hasNext();) {
                Match match = it.next();
                Match otherMatch = otherIt.next();
                // Notice: we don't use equals()
                if (!match.solutionEquals(otherMatch)) {
                    return false;
                }
            }
            return true;
        }
    }

    @Override
    public int hashCode() {
        HashCodeBuilder hashCodeBuilder = new HashCodeBuilder();
        for (Match match : matchList) {
            // Notice: we don't use hashCode()
            hashCodeBuilder.append(match.solutionHashCode());
        }
        return hashCodeBuilder.toHashCode();
    }

}