com.github.rinde.rinsim.scenario.ScenarioTestUtil.java Source code

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Here is the source code for com.github.rinde.rinsim.scenario.ScenarioTestUtil.java

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/*
 * Copyright (C) 2011-2015 Rinde van Lon, iMinds-DistriNet, KU Leuven
 *
 * 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 com.github.rinde.rinsim.scenario;

import static com.google.common.base.Preconditions.checkNotNull;

import java.io.Serializable;
import java.math.RoundingMode;
import java.util.Collections;

import javax.annotation.Nullable;
import javax.measure.Measure;
import javax.measure.unit.NonSI;
import javax.measure.unit.SI;

import org.apache.commons.math3.random.MersenneTwister;
import org.apache.commons.math3.random.RandomGenerator;

import com.github.rinde.rinsim.core.Simulator;
import com.github.rinde.rinsim.core.model.pdp.DefaultPDPModel;
import com.github.rinde.rinsim.core.model.pdp.PDPScenarioEvent;
import com.github.rinde.rinsim.core.model.pdp.TimeWindowPolicy.TimeWindowPolicies;
import com.github.rinde.rinsim.core.model.road.PlaneRoadModel;
import com.github.rinde.rinsim.core.pdptw.ParcelDTO;
import com.github.rinde.rinsim.core.pdptw.VehicleDTO;
import com.github.rinde.rinsim.geom.Point;
import com.github.rinde.rinsim.util.TimeWindow;
import com.google.common.base.Predicate;
import com.google.common.math.DoubleMath;

public class ScenarioTestUtil {

    public static Scenario create(long seed) {
        final int endTime = 3 * 60 * 60 * 1000;
        Scenario.Builder b = Scenario.builder()
                .addModel(PlaneRoadModel.supplier(new Point(0, 0), new Point(10, 10), SI.KILOMETER,
                        Measure.valueOf(50d, NonSI.KILOMETERS_PER_HOUR)))
                .addModel(DefaultPDPModel.supplier(TimeWindowPolicies.LIBERAL)).addEvents(Collections.nCopies(10,
                        new AddVehicleEvent(-1, VehicleDTO.builder().startPosition(new Point(5, 5)).build())));

        RandomGenerator rng = new MersenneTwister(seed);
        for (int i = 0; i < 20; i++) {
            long announceTime = rng.nextInt(DoubleMath.roundToInt(endTime * .8, RoundingMode.FLOOR));
            b.addEvent(new AddParcelEvent(ParcelDTO
                    .builder(new Point(rng.nextDouble() * 10, rng.nextDouble() * 10),
                            new Point(rng.nextDouble() * 10, rng.nextDouble() * 10))
                    .orderAnnounceTime(announceTime).pickupTimeWindow(new TimeWindow(announceTime, endTime))
                    .deliveryTimeWindow(new TimeWindow(announceTime, endTime)).neededCapacity(0).build()));
        }

        b.addEvent(new TimedEvent(PDPScenarioEvent.TIME_OUT, endTime)).scenarioLength(endTime)
                .stopCondition(new EndTimeStopCondition(endTime));

        b.addEventType(PDPScenarioEvent.ADD_DEPOT);

        return b.build();
    }

    static class EndTimeStopCondition implements Predicate<Simulator>, Serializable {
        private static final long serialVersionUID = 7929691008595477071L;

        private final long endTime;

        public EndTimeStopCondition(long time) {
            endTime = time;
        }

        @Override
        public boolean apply(@Nullable Simulator simulator) {
            checkNotNull(simulator);
            return simulator.getCurrentTime() >= endTime;
        }
    }
}