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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 JBoss Inc
 *
 * 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.dinnerparty.domain;

import com.thoughtworks.xstream.annotations.XStreamAlias;
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("SeatDesignation")
public class SeatDesignation extends AbstractPersistable {

    private Guest guest;
    private Seat seat;

    public Guest getGuest() {
        return guest;
    }

    public void setGuest(Guest guest) {
        this.guest = guest;
    }

    @PlanningVariable(valueRangeProviderRefs = {"seatRange"})
    public Seat getSeat() {
        return seat;
    }

    public void setSeat(Seat seat) {
        this.seat = seat;
    }

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

    public String getGuestName() {
        return getGuest().getName();
    }

    public Gender getGuestGender() {
        return getGuest().getGender();
    }

    public Job getGuestJob() {
        return getGuest().getJob();
    }

    public JobType getGuestJobType() {
        return getGuest().getJob().getJobType();
    }

    public boolean differentKindIfNeeded(Job otherGuestJob) {
        JobType jobType = guest.getJob().getJobType();
        return jobType == JobType.SOCIALITE || jobType == JobType.TEACHER || guest.getJob() != otherGuestJob;
    }

    public Table getSeatTable() {
        if (seat == null) {
            return  null;
        }
        return seat.getTable();
    }

    public boolean isRightOf(SeatDesignation leftSeatDesignation) {
        if (seat == null || leftSeatDesignation.seat == null) {
            return false;
        }
        return seat.getRightSeat() == leftSeatDesignation.seat;
    }

    public boolean isNeighborOf(SeatDesignation otherSeatDesignation) {
        if (seat == null || otherSeatDesignation.seat == null) {
            return false;
        }
        return seat.getLeftSeat() == otherSeatDesignation.seat || seat.getRightSeat() == otherSeatDesignation.seat;
    }

    @Override
    public String toString() {
        return guest + " @ " + seat;
    }

}