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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 2014 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.vehiclerouting.domain.location;

import com.thoughtworks.xstream.annotations.XStreamAlias;

/**
 * The cost between 2 locations is a straight line: the euclidean distance between their GPS coordinates.
 * Used with {@link DistanceType#AIR_DISTANCE}.
 */
@XStreamAlias("VrpAirLocation")
public class AirLocation extends Location {

    public AirLocation() {
    }

    public AirLocation(long id, double latitude, double longitude) {
        super(id, latitude, longitude);
    }

    @Override
    public long getDistanceTo(Location location) {
        double distance = getAirDistanceDoubleTo(location);
        // Multiplied by 1000 to avoid floating point arithmetic rounding errors
        return (long) (distance * 1000.0 + 0.5);
    }

}