/**
 * Copyright © 2016 Sascha Lamp (sascha.lamp@outlook.de)
 *
 * 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 de.lampware.racing.istats.model;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

/**
 * TODO JavaDoc
 *
 * @author sasch.
 */
public class CarCollection implements IracingModel {

    private Map<Integer, Car> cars = new HashMap<>();

    private CarCollection(CarCollectionBuilder builder) {
        this.cars = builder.cars;
    }

    public Map<Integer, Car> getCars() {
        return Collections.unmodifiableMap(cars);
    }

    public static class CarCollectionBuilder {

        private Map<Integer, Car> cars = new HashMap<>();

        public CarCollectionBuilder withCars(Map<Integer, Car> cars) {
            this.cars = cars;
            return this;
        }

        public CarCollection build() {
            return new CarCollection(this);
        }
    }
}
