/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.tsp.domain.location;

/**
 * The cost between 2 locations is a straight line: the euclidean distance between their GPS coordinates.
 * Used with {@link DistanceType#AIR_DISTANCE}.
 */
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);
    }

}
