Package org.opentrafficsim.road.network.lane.object.trafficlight

Class TrafficLightControllerFixedDuration

java.lang.Object

org.opentrafficsim.road.network.lane.object.trafficlight.TrafficLightControllerFixedDuration

All Implemented Interfaces:

org.opentrafficsim.base.Identifiable, TrafficLightController

public class TrafficLightControllerFixedDuration
extends Object
implements TrafficLightController

A traffic light controller with fixed durations. Red, yellow and green times of each phase can be set, as well as the time between phases.

Copyright (c) 2013-2022 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

$LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $, initial version Oct 4, 2016

Author:

Alexander Verbraeck, Peter Knoppers, Wouter Schakel

Constructor Summary

Constructors

Constructor	Description
TrafficLightControllerFixedDuration(String id, OTSSimulatorInterface simulator)	Create a fixed time controller.

Method Summary

Modifier and Type	Method	Description
void	addPhase(int phaseId, Duration yellowDuration, Duration greenDuration)	Add a new phase.
void	addTrafficLightToPhase(int phaseId, TrafficLight trafficLight)	Add a traffic light to a phase.
protected void	changePhase()	Change the phase and/or color of the traffic lights.
Duration	getClearanceDurationToNextPhase()
int	getCurrentPhase()
String	getId()
int	getNumberOfPhases()
void	setClearanceDuration(Duration clearanceDuration)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

TrafficLightControllerFixedDuration

public TrafficLightControllerFixedDuration(String id,
                                           OTSSimulatorInterface simulator)
                                    throws TrafficLightException

Create a fixed time controller.

Parameters:

id - String; the controller id

simulator - OTSSimulatorInterface; the simulator

Throws:

TrafficLightException - when scheduling of thhe start event fails

Method Detail

changePhase

protected final void changePhase()
                          throws TrafficLightException

Change the phase and/or color of the traffic lights.

Throws:

TrafficLightException - when scheduling of thhe start event fails

getNumberOfPhases

public final int getNumberOfPhases()

Specified by:

getNumberOfPhases in interface TrafficLightController

Returns:

the number of phases.

getCurrentPhase

public final int getCurrentPhase()

Specified by:

getCurrentPhase in interface TrafficLightController

Returns:

the phase id.

getClearanceDurationToNextPhase

public final Duration getClearanceDurationToNextPhase()

Specified by:

getClearanceDurationToNextPhase in interface TrafficLightController

Returns:

the time between phases.

addPhase

public final void addPhase(int phaseId,
                           Duration yellowDuration,
                           Duration greenDuration)
                    throws TrafficLightException

Add a new phase.

Parameters:

phaseId - int; the id of the phase to be added.

yellowDuration - Duration; the yellow time

greenDuration - Duration; the green time

Throws:

TrafficLightException - when the phase already existed

addTrafficLightToPhase

public final void addTrafficLightToPhase(int phaseId,
                                         TrafficLight trafficLight)
                                  throws TrafficLightException

Add a traffic light to a phase.

Specified by:

addTrafficLightToPhase in interface TrafficLightController

Parameters:

phaseId - int; the id of the phase.

trafficLight - TrafficLight; the traffic light to add

Throws:

TrafficLightException - when the phase was not created

getId

public final String getId()

Specified by:

getId in interface org.opentrafficsim.base.Identifiable

Specified by:

getId in interface TrafficLightController

Returns:

the controller id.

setClearanceDuration

public final void setClearanceDuration(Duration clearanceDuration)

Parameters:

clearanceDuration - Duration; set clearanceDuration

toString

public String toString()

Overrides:

toString in class Object