DirectBusStopPerception.java
- package org.opentrafficsim.road.gtu.lane.perception.categories;
- import java.util.HashSet;
- import java.util.Set;
- import org.djunits.value.vdouble.scalar.Length;
- import org.opentrafficsim.base.TimeStampedObject;
- import org.opentrafficsim.base.parameters.ParameterException;
- import org.opentrafficsim.base.parameters.ParameterTypeLength;
- import org.opentrafficsim.base.parameters.ParameterTypes;
- import org.opentrafficsim.core.gtu.GTUException;
- import org.opentrafficsim.core.gtu.Try;
- import org.opentrafficsim.core.network.route.Route;
- import org.opentrafficsim.road.gtu.lane.LaneBasedGTU;
- import org.opentrafficsim.road.gtu.lane.perception.AbstractPerceptionIterable;
- import org.opentrafficsim.road.gtu.lane.perception.LaneBasedObjectIterable;
- import org.opentrafficsim.road.gtu.lane.perception.LanePerception;
- import org.opentrafficsim.road.gtu.lane.perception.LaneRecord;
- import org.opentrafficsim.road.gtu.lane.perception.MultiLanePerceptionIterable;
- import org.opentrafficsim.road.gtu.lane.perception.PerceptionCollectable;
- import org.opentrafficsim.road.gtu.lane.perception.RelativeLane;
- import org.opentrafficsim.road.gtu.lane.perception.headway.HeadwayBusStop;
- import org.opentrafficsim.road.network.lane.conflict.Conflict;
- import org.opentrafficsim.road.network.lane.object.BusStop;
- /**
- * Bus stop perception.
- * <p>
- * Copyright (c) 2013-2018 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
- * BSD-style license. See <a href="http://opentrafficsim.org/node/13">OpenTrafficSim License</a>.
- * <p>
- * @version $Revision$, $LastChangedDate$, by $Author$, initial version 27 jan. 2017 <br>
- * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
- * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
- * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
- */
- public class DirectBusStopPerception extends LaneBasedAbstractPerceptionCategory implements BusStopPerception
- {
- /** */
- private static final long serialVersionUID = 20170127;
- /** Look ahead parameter type. */
- protected static final ParameterTypeLength LOOKAHEAD = ParameterTypes.LOOKAHEAD;
- /** Bus stops. */
- private TimeStampedObject<PerceptionCollectable<HeadwayBusStop, BusStop>> busStops;
- /**
- * @param perception perception
- */
- public DirectBusStopPerception(final LanePerception perception)
- {
- super(perception);
- }
- /** {@inheritDoc} */
- @Override
- public final void updateBusStops() throws GTUException, ParameterException
- {
- Route route = getGtu().getStrategicalPlanner().getRoute();
- MultiLanePerceptionIterable<HeadwayBusStop, BusStop> stops = new MultiLanePerceptionIterable<>(getGtu());
- for (RelativeLane lane : getPerception().getLaneStructure().getExtendedCrossSection())
- {
- LaneRecord<?> record = getPerception().getLaneStructure().getFirstRecord(lane);
- Length pos = record.getStartDistance().neg();
- pos = record.getDirection().isPlus() ? pos.plus(getGtu().getFront().getDx())
- : pos.minus(getGtu().getFront().getDx());
- AbstractPerceptionIterable<HeadwayBusStop, BusStop, ?> it = new LaneBasedObjectIterable<HeadwayBusStop, BusStop>(
- getGtu(), BusStop.class, record, Length.max(Length.ZERO, pos),
- getGtu().getParameters().getParameter(LOOKAHEAD), getGtu().getFront(), route)
- {
- /** {@inheritDoc} */
- @Override
- public HeadwayBusStop perceive(final LaneBasedGTU perceivingGtu, final BusStop busStop, final Length distance)
- {
- Set<String> conflictIds = new HashSet<>();
- for (Conflict conflict : busStop.getConflicts())
- {
- conflictIds.add(conflict.getId());
- }
- return Try.assign(() -> new HeadwayBusStop(busStop, distance, lane, conflictIds),
- "Exception while creating bus stop headway.");
- }
- };
- stops.addIterable(lane, it);
- }
- this.busStops = new TimeStampedObject<>(stops, getTimestamp());
- }
- /** {@inheritDoc} */
- @Override
- public final PerceptionCollectable<HeadwayBusStop, BusStop> getBusStops()
- {
- return this.busStops.getObject();
- }
- /**
- * Returns the time stamped bus stops.
- * @return time stamped bus stops
- */
- public final TimeStampedObject<PerceptionCollectable<HeadwayBusStop, BusStop>> getTimeStampedBusStops()
- {
- return this.busStops;
- }
- /** {@inheritDoc} */
- @Override
- public final String toString()
- {
- return "DirectBusStopPerception";
- }
- }