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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 2010 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 com.thoughtworks.xstream.annotations.XStreamAlias;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.optaplanner.core.api.domain.entity.PlanningEntity;
import org.optaplanner.core.api.domain.variable.PlanningVariable;
import org.optaplanner.examples.common.domain.AbstractPersistable;

@PlanningEntity
@XStreamAlias("TtpMatch")
public class Match extends AbstractPersistable {

    private Team homeTeam;
    private Team awayTeam;

    private Day day;

    public Team getHomeTeam() {
        return homeTeam;
    }

    public void setHomeTeam(Team homeTeam) {
        this.homeTeam = homeTeam;
    }

    public Team getAwayTeam() {
        return awayTeam;
    }

    public void setAwayTeam(Team awayTeam) {
        this.awayTeam = awayTeam;
    }

    @PlanningVariable(valueRangeProviderRefs = {"dayRange"})
    public Day getDay() {
        return day;
    }

    public void setDay(Day day) {
        this.day = day;
    }

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

    /**
     * The normal methods {@link #equals(Object)} and {@link #hashCode()} cannot be used
     * because the rule engine already requires them (for performance in their original state).
     * @see #solutionHashCode()
     */
    public boolean solutionEquals(Object o) {
        if (this == o) {
            return true;
        } else if (o instanceof Match) {
            Match other = (Match) o;
            return new EqualsBuilder()
                    .append(id, other.id)
                    .append(homeTeam, other.homeTeam)
                    .append(awayTeam, other.awayTeam)
                    .append(day, other.day)
                    .isEquals();
        } else {
            return false;
        }
    }

    /**
     * The normal methods {@link #equals(Object)} and {@link #hashCode()} cannot be used
     * because the rule engine already requires them (for performance in their original state).
     * @see #solutionEquals(Object)
     */
    public int solutionHashCode() {
        return new HashCodeBuilder()
                .append(id)
                .append(homeTeam)
                .append(awayTeam)
                .append(day)
                .toHashCode();
    }

    @Override
    public String toString() {
        return homeTeam + "+" + awayTeam;
    }

}