org.opentrafficsim.road.gtu.lane.perception.mental

Class TaskHeadwayBased

java.lang.Object

org.opentrafficsim.road.gtu.lane.perception.mental.TaskHeadwayBased

All Implemented Interfaces:

Fuller.Task

Direct Known Subclasses:

TaskCarFollowing, TaskLaneChanging

public abstract class TaskHeadwayBased
extends Object
implements Fuller.Task

Task class that translates a (composite) headway in to a task demand.

Copyright (c) 2013-2018 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

Version:

$Revision$, $LastChangedDate$, by $Author$, initial version 25 jun. 2018

Author:

Alexander Verbraeck, Peter Knoppers, Wouter Schakel

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TaskHeadwayBased.TaskHeadwayCollector Simple collector implementation to obtain time headway.

Nested classes/interfaces inherited from interface org.opentrafficsim.road.gtu.lane.perception.mental.Fuller.Task

Fuller.Task.Constant

Constructor Summary

Constructors

Constructor and Description
TaskHeadwayBased()

Method Summary

Modifier and Type	Method and Description
double	demand(LanePerception perception, LaneBasedGTU gtu, Parameters parameters) Returns the demand of this task.
protected abstract Duration	getHeadway(LanePerception perception, LaneBasedGTU gtu, Parameters parameters) Returns a collector for the task demand.
protected Speed	getSpeed() Returns the current speed to translate a distance headway to a time headway.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TaskHeadwayBased

public TaskHeadwayBased()

Method Detail

demand

public double demand(LanePerception perception,
                     LaneBasedGTU gtu,
                     Parameters parameters)
              throws ParameterException

Returns the demand of this task.

Specified by:

demand in interface Fuller.Task

Parameters:

perception - LanePerception; perception

gtu - LaneBasedGTU; gtu

parameters - Parameters; parameters

Returns:

double; demand of this task

Throws:

ParameterException - if a parameter is missing or out of bounds

getSpeed

protected Speed getSpeed()

Returns the current speed to translate a distance headway to a time headway.

Returns:

Speed; speed

getHeadway

protected abstract Duration getHeadway(LanePerception perception,
                                       LaneBasedGTU gtu,
                                       Parameters parameters)
                                throws ParameterException

Returns a collector for the task demand.

Parameters:

perception - LanePerception; perception

gtu - LaneBasedGTU; gtu

parameters - Parameters; parameters

Returns:

Duration; headway, null of none.

Throws:

ParameterException - on invalid parameter